crypto: finish removing TABs
Suggested-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
parent
82e870bac4
commit
2f9f96b242
414
crypto/aes.c
414
crypto/aes.c
@ -1059,109 +1059,109 @@ const uint32_t AES_Td4[256] = {
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0x55555555U, 0x21212121U, 0x0c0c0c0cU, 0x7d7d7d7dU,
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};
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static const u32 rcon[] = {
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0x01000000, 0x02000000, 0x04000000, 0x08000000,
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0x10000000, 0x20000000, 0x40000000, 0x80000000,
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0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
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0x01000000, 0x02000000, 0x04000000, 0x08000000,
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0x10000000, 0x20000000, 0x40000000, 0x80000000,
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0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
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};
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/**
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* Expand the cipher key into the encryption key schedule.
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*/
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int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
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AES_KEY *key) {
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AES_KEY *key) {
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u32 *rk;
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int i = 0;
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u32 temp;
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u32 *rk;
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int i = 0;
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u32 temp;
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if (!userKey || !key)
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return -1;
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if (bits != 128 && bits != 192 && bits != 256)
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return -2;
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if (!userKey || !key)
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return -1;
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if (bits != 128 && bits != 192 && bits != 256)
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return -2;
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rk = key->rd_key;
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rk = key->rd_key;
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if (bits==128)
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key->rounds = 10;
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else if (bits==192)
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key->rounds = 12;
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else
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key->rounds = 14;
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if (bits==128)
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key->rounds = 10;
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else if (bits==192)
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key->rounds = 12;
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else
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key->rounds = 14;
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rk[0] = GETU32(userKey );
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rk[1] = GETU32(userKey + 4);
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rk[2] = GETU32(userKey + 8);
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rk[3] = GETU32(userKey + 12);
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if (bits == 128) {
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while (1) {
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temp = rk[3];
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rk[4] = rk[0] ^
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rk[0] = GETU32(userKey );
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rk[1] = GETU32(userKey + 4);
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rk[2] = GETU32(userKey + 8);
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rk[3] = GETU32(userKey + 12);
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if (bits == 128) {
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while (1) {
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temp = rk[3];
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rk[4] = rk[0] ^
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(AES_Te4[(temp >> 16) & 0xff] & 0xff000000) ^
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(AES_Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^
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(AES_Te4[(temp ) & 0xff] & 0x0000ff00) ^
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(AES_Te4[(temp >> 24) ] & 0x000000ff) ^
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rcon[i];
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rk[5] = rk[1] ^ rk[4];
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rk[6] = rk[2] ^ rk[5];
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rk[7] = rk[3] ^ rk[6];
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if (++i == 10) {
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return 0;
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}
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rk += 4;
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}
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}
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rk[4] = GETU32(userKey + 16);
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rk[5] = GETU32(userKey + 20);
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if (bits == 192) {
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while (1) {
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temp = rk[ 5];
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rk[ 6] = rk[ 0] ^
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rcon[i];
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rk[5] = rk[1] ^ rk[4];
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rk[6] = rk[2] ^ rk[5];
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rk[7] = rk[3] ^ rk[6];
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if (++i == 10) {
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return 0;
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}
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rk += 4;
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}
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}
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rk[4] = GETU32(userKey + 16);
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rk[5] = GETU32(userKey + 20);
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if (bits == 192) {
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while (1) {
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temp = rk[ 5];
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rk[ 6] = rk[ 0] ^
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(AES_Te4[(temp >> 16) & 0xff] & 0xff000000) ^
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(AES_Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^
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(AES_Te4[(temp ) & 0xff] & 0x0000ff00) ^
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(AES_Te4[(temp >> 24) ] & 0x000000ff) ^
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rcon[i];
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rk[ 7] = rk[ 1] ^ rk[ 6];
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rk[ 8] = rk[ 2] ^ rk[ 7];
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rk[ 9] = rk[ 3] ^ rk[ 8];
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if (++i == 8) {
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return 0;
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}
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rk[10] = rk[ 4] ^ rk[ 9];
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rk[11] = rk[ 5] ^ rk[10];
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rk += 6;
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}
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}
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rk[6] = GETU32(userKey + 24);
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rk[7] = GETU32(userKey + 28);
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if (bits == 256) {
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while (1) {
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temp = rk[ 7];
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rk[ 8] = rk[ 0] ^
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rcon[i];
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rk[ 7] = rk[ 1] ^ rk[ 6];
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rk[ 8] = rk[ 2] ^ rk[ 7];
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rk[ 9] = rk[ 3] ^ rk[ 8];
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if (++i == 8) {
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return 0;
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}
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rk[10] = rk[ 4] ^ rk[ 9];
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rk[11] = rk[ 5] ^ rk[10];
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rk += 6;
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}
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}
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rk[6] = GETU32(userKey + 24);
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rk[7] = GETU32(userKey + 28);
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if (bits == 256) {
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while (1) {
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temp = rk[ 7];
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rk[ 8] = rk[ 0] ^
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(AES_Te4[(temp >> 16) & 0xff] & 0xff000000) ^
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(AES_Te4[(temp >> 8) & 0xff] & 0x00ff0000) ^
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(AES_Te4[(temp ) & 0xff] & 0x0000ff00) ^
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(AES_Te4[(temp >> 24) ] & 0x000000ff) ^
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rcon[i];
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rk[ 9] = rk[ 1] ^ rk[ 8];
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rk[10] = rk[ 2] ^ rk[ 9];
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rk[11] = rk[ 3] ^ rk[10];
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if (++i == 7) {
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return 0;
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}
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temp = rk[11];
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rk[12] = rk[ 4] ^
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rcon[i];
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rk[ 9] = rk[ 1] ^ rk[ 8];
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rk[10] = rk[ 2] ^ rk[ 9];
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rk[11] = rk[ 3] ^ rk[10];
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if (++i == 7) {
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return 0;
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}
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temp = rk[11];
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rk[12] = rk[ 4] ^
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(AES_Te4[(temp >> 24) ] & 0xff000000) ^
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(AES_Te4[(temp >> 16) & 0xff] & 0x00ff0000) ^
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(AES_Te4[(temp >> 8) & 0xff] & 0x0000ff00) ^
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(AES_Te4[(temp ) & 0xff] & 0x000000ff);
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rk[13] = rk[ 5] ^ rk[12];
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rk[14] = rk[ 6] ^ rk[13];
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rk[15] = rk[ 7] ^ rk[14];
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rk[13] = rk[ 5] ^ rk[12];
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rk[14] = rk[ 6] ^ rk[13];
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rk[15] = rk[ 7] ^ rk[14];
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rk += 8;
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}
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}
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rk += 8;
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}
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}
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abort();
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}
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@ -1169,51 +1169,51 @@ int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
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* Expand the cipher key into the decryption key schedule.
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*/
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int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
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AES_KEY *key) {
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AES_KEY *key) {
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u32 *rk;
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int i, j, status;
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u32 temp;
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int i, j, status;
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u32 temp;
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/* first, start with an encryption schedule */
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status = AES_set_encrypt_key(userKey, bits, key);
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if (status < 0)
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return status;
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/* first, start with an encryption schedule */
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status = AES_set_encrypt_key(userKey, bits, key);
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if (status < 0)
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return status;
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rk = key->rd_key;
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rk = key->rd_key;
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/* invert the order of the round keys: */
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for (i = 0, j = 4*(key->rounds); i < j; i += 4, j -= 4) {
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temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp;
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temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
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temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
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temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
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}
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/* apply the inverse MixColumn transform to all round keys but the first and the last: */
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for (i = 1; i < (key->rounds); i++) {
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rk += 4;
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rk[0] =
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/* invert the order of the round keys: */
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for (i = 0, j = 4*(key->rounds); i < j; i += 4, j -= 4) {
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temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp;
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temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
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temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
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temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
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}
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/* apply the inverse MixColumn transform to all round keys but the first and the last: */
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for (i = 1; i < (key->rounds); i++) {
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rk += 4;
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rk[0] =
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AES_Td0[AES_Te4[(rk[0] >> 24) ] & 0xff] ^
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AES_Td1[AES_Te4[(rk[0] >> 16) & 0xff] & 0xff] ^
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AES_Td2[AES_Te4[(rk[0] >> 8) & 0xff] & 0xff] ^
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AES_Td3[AES_Te4[(rk[0] ) & 0xff] & 0xff];
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rk[1] =
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rk[1] =
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AES_Td0[AES_Te4[(rk[1] >> 24) ] & 0xff] ^
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AES_Td1[AES_Te4[(rk[1] >> 16) & 0xff] & 0xff] ^
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AES_Td2[AES_Te4[(rk[1] >> 8) & 0xff] & 0xff] ^
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AES_Td3[AES_Te4[(rk[1] ) & 0xff] & 0xff];
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rk[2] =
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rk[2] =
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AES_Td0[AES_Te4[(rk[2] >> 24) ] & 0xff] ^
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AES_Td1[AES_Te4[(rk[2] >> 16) & 0xff] & 0xff] ^
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AES_Td2[AES_Te4[(rk[2] >> 8) & 0xff] & 0xff] ^
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AES_Td3[AES_Te4[(rk[2] ) & 0xff] & 0xff];
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rk[3] =
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rk[3] =
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AES_Td0[AES_Te4[(rk[3] >> 24) ] & 0xff] ^
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AES_Td1[AES_Te4[(rk[3] >> 16) & 0xff] & 0xff] ^
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AES_Td2[AES_Te4[(rk[3] >> 8) & 0xff] & 0xff] ^
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AES_Td3[AES_Te4[(rk[3] ) & 0xff] & 0xff];
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}
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return 0;
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}
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return 0;
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}
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#ifndef AES_ASM
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@ -1222,67 +1222,67 @@ int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
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* in and out can overlap
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*/
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void AES_encrypt(const unsigned char *in, unsigned char *out,
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const AES_KEY *key) {
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const AES_KEY *key) {
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const u32 *rk;
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u32 s0, s1, s2, s3, t0, t1, t2, t3;
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const u32 *rk;
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u32 s0, s1, s2, s3, t0, t1, t2, t3;
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#ifndef FULL_UNROLL
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int r;
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int r;
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#endif /* ?FULL_UNROLL */
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assert(in && out && key);
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rk = key->rd_key;
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assert(in && out && key);
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rk = key->rd_key;
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/*
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* map byte array block to cipher state
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* and add initial round key:
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*/
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s0 = GETU32(in ) ^ rk[0];
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s1 = GETU32(in + 4) ^ rk[1];
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s2 = GETU32(in + 8) ^ rk[2];
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s3 = GETU32(in + 12) ^ rk[3];
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/*
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* map byte array block to cipher state
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* and add initial round key:
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*/
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s0 = GETU32(in ) ^ rk[0];
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s1 = GETU32(in + 4) ^ rk[1];
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s2 = GETU32(in + 8) ^ rk[2];
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s3 = GETU32(in + 12) ^ rk[3];
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#ifdef FULL_UNROLL
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/* round 1: */
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/* round 1: */
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t0 = AES_Te0[s0 >> 24] ^ AES_Te1[(s1 >> 16) & 0xff] ^ AES_Te2[(s2 >> 8) & 0xff] ^ AES_Te3[s3 & 0xff] ^ rk[ 4];
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t1 = AES_Te0[s1 >> 24] ^ AES_Te1[(s2 >> 16) & 0xff] ^ AES_Te2[(s3 >> 8) & 0xff] ^ AES_Te3[s0 & 0xff] ^ rk[ 5];
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t2 = AES_Te0[s2 >> 24] ^ AES_Te1[(s3 >> 16) & 0xff] ^ AES_Te2[(s0 >> 8) & 0xff] ^ AES_Te3[s1 & 0xff] ^ rk[ 6];
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t3 = AES_Te0[s3 >> 24] ^ AES_Te1[(s0 >> 16) & 0xff] ^ AES_Te2[(s1 >> 8) & 0xff] ^ AES_Te3[s2 & 0xff] ^ rk[ 7];
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/* round 2: */
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/* round 2: */
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s0 = AES_Te0[t0 >> 24] ^ AES_Te1[(t1 >> 16) & 0xff] ^ AES_Te2[(t2 >> 8) & 0xff] ^ AES_Te3[t3 & 0xff] ^ rk[ 8];
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s1 = AES_Te0[t1 >> 24] ^ AES_Te1[(t2 >> 16) & 0xff] ^ AES_Te2[(t3 >> 8) & 0xff] ^ AES_Te3[t0 & 0xff] ^ rk[ 9];
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s2 = AES_Te0[t2 >> 24] ^ AES_Te1[(t3 >> 16) & 0xff] ^ AES_Te2[(t0 >> 8) & 0xff] ^ AES_Te3[t1 & 0xff] ^ rk[10];
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s3 = AES_Te0[t3 >> 24] ^ AES_Te1[(t0 >> 16) & 0xff] ^ AES_Te2[(t1 >> 8) & 0xff] ^ AES_Te3[t2 & 0xff] ^ rk[11];
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/* round 3: */
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/* round 3: */
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t0 = AES_Te0[s0 >> 24] ^ AES_Te1[(s1 >> 16) & 0xff] ^ AES_Te2[(s2 >> 8) & 0xff] ^ AES_Te3[s3 & 0xff] ^ rk[12];
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t1 = AES_Te0[s1 >> 24] ^ AES_Te1[(s2 >> 16) & 0xff] ^ AES_Te2[(s3 >> 8) & 0xff] ^ AES_Te3[s0 & 0xff] ^ rk[13];
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t2 = AES_Te0[s2 >> 24] ^ AES_Te1[(s3 >> 16) & 0xff] ^ AES_Te2[(s0 >> 8) & 0xff] ^ AES_Te3[s1 & 0xff] ^ rk[14];
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t3 = AES_Te0[s3 >> 24] ^ AES_Te1[(s0 >> 16) & 0xff] ^ AES_Te2[(s1 >> 8) & 0xff] ^ AES_Te3[s2 & 0xff] ^ rk[15];
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/* round 4: */
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/* round 4: */
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s0 = AES_Te0[t0 >> 24] ^ AES_Te1[(t1 >> 16) & 0xff] ^ AES_Te2[(t2 >> 8) & 0xff] ^ AES_Te3[t3 & 0xff] ^ rk[16];
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s1 = AES_Te0[t1 >> 24] ^ AES_Te1[(t2 >> 16) & 0xff] ^ AES_Te2[(t3 >> 8) & 0xff] ^ AES_Te3[t0 & 0xff] ^ rk[17];
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s2 = AES_Te0[t2 >> 24] ^ AES_Te1[(t3 >> 16) & 0xff] ^ AES_Te2[(t0 >> 8) & 0xff] ^ AES_Te3[t1 & 0xff] ^ rk[18];
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s3 = AES_Te0[t3 >> 24] ^ AES_Te1[(t0 >> 16) & 0xff] ^ AES_Te2[(t1 >> 8) & 0xff] ^ AES_Te3[t2 & 0xff] ^ rk[19];
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/* round 5: */
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/* round 5: */
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t0 = AES_Te0[s0 >> 24] ^ AES_Te1[(s1 >> 16) & 0xff] ^ AES_Te2[(s2 >> 8) & 0xff] ^ AES_Te3[s3 & 0xff] ^ rk[20];
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t1 = AES_Te0[s1 >> 24] ^ AES_Te1[(s2 >> 16) & 0xff] ^ AES_Te2[(s3 >> 8) & 0xff] ^ AES_Te3[s0 & 0xff] ^ rk[21];
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t2 = AES_Te0[s2 >> 24] ^ AES_Te1[(s3 >> 16) & 0xff] ^ AES_Te2[(s0 >> 8) & 0xff] ^ AES_Te3[s1 & 0xff] ^ rk[22];
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t3 = AES_Te0[s3 >> 24] ^ AES_Te1[(s0 >> 16) & 0xff] ^ AES_Te2[(s1 >> 8) & 0xff] ^ AES_Te3[s2 & 0xff] ^ rk[23];
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/* round 6: */
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/* round 6: */
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s0 = AES_Te0[t0 >> 24] ^ AES_Te1[(t1 >> 16) & 0xff] ^ AES_Te2[(t2 >> 8) & 0xff] ^ AES_Te3[t3 & 0xff] ^ rk[24];
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s1 = AES_Te0[t1 >> 24] ^ AES_Te1[(t2 >> 16) & 0xff] ^ AES_Te2[(t3 >> 8) & 0xff] ^ AES_Te3[t0 & 0xff] ^ rk[25];
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s2 = AES_Te0[t2 >> 24] ^ AES_Te1[(t3 >> 16) & 0xff] ^ AES_Te2[(t0 >> 8) & 0xff] ^ AES_Te3[t1 & 0xff] ^ rk[26];
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s3 = AES_Te0[t3 >> 24] ^ AES_Te1[(t0 >> 16) & 0xff] ^ AES_Te2[(t1 >> 8) & 0xff] ^ AES_Te3[t2 & 0xff] ^ rk[27];
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/* round 7: */
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/* round 7: */
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t0 = AES_Te0[s0 >> 24] ^ AES_Te1[(s1 >> 16) & 0xff] ^ AES_Te2[(s2 >> 8) & 0xff] ^ AES_Te3[s3 & 0xff] ^ rk[28];
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t1 = AES_Te0[s1 >> 24] ^ AES_Te1[(s2 >> 16) & 0xff] ^ AES_Te2[(s3 >> 8) & 0xff] ^ AES_Te3[s0 & 0xff] ^ rk[29];
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t2 = AES_Te0[s2 >> 24] ^ AES_Te1[(s3 >> 16) & 0xff] ^ AES_Te2[(s0 >> 8) & 0xff] ^ AES_Te3[s1 & 0xff] ^ rk[30];
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t3 = AES_Te0[s3 >> 24] ^ AES_Te1[(s0 >> 16) & 0xff] ^ AES_Te2[(s1 >> 8) & 0xff] ^ AES_Te3[s2 & 0xff] ^ rk[31];
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/* round 8: */
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/* round 8: */
|
||||
s0 = AES_Te0[t0 >> 24] ^ AES_Te1[(t1 >> 16) & 0xff] ^ AES_Te2[(t2 >> 8) & 0xff] ^ AES_Te3[t3 & 0xff] ^ rk[32];
|
||||
s1 = AES_Te0[t1 >> 24] ^ AES_Te1[(t2 >> 16) & 0xff] ^ AES_Te2[(t3 >> 8) & 0xff] ^ AES_Te3[t0 & 0xff] ^ rk[33];
|
||||
s2 = AES_Te0[t2 >> 24] ^ AES_Te1[(t3 >> 16) & 0xff] ^ AES_Te2[(t0 >> 8) & 0xff] ^ AES_Te3[t1 & 0xff] ^ rk[34];
|
||||
s3 = AES_Te0[t3 >> 24] ^ AES_Te1[(t0 >> 16) & 0xff] ^ AES_Te2[(t1 >> 8) & 0xff] ^ AES_Te3[t2 & 0xff] ^ rk[35];
|
||||
/* round 9: */
|
||||
/* round 9: */
|
||||
t0 = AES_Te0[s0 >> 24] ^ AES_Te1[(s1 >> 16) & 0xff] ^ AES_Te2[(s2 >> 8) & 0xff] ^ AES_Te3[s3 & 0xff] ^ rk[36];
|
||||
t1 = AES_Te0[s1 >> 24] ^ AES_Te1[(s2 >> 16) & 0xff] ^ AES_Te2[(s3 >> 8) & 0xff] ^ AES_Te3[s0 & 0xff] ^ rk[37];
|
||||
t2 = AES_Te0[s2 >> 24] ^ AES_Te1[(s3 >> 16) & 0xff] ^ AES_Te2[(s0 >> 8) & 0xff] ^ AES_Te3[s1 & 0xff] ^ rk[38];
|
||||
@ -1375,37 +1375,37 @@ void AES_encrypt(const unsigned char *in, unsigned char *out,
|
||||
}
|
||||
#endif /* ?FULL_UNROLL */
|
||||
/*
|
||||
* apply last round and
|
||||
* map cipher state to byte array block:
|
||||
*/
|
||||
s0 =
|
||||
* apply last round and
|
||||
* map cipher state to byte array block:
|
||||
*/
|
||||
s0 =
|
||||
(AES_Te4[(t0 >> 24) ] & 0xff000000) ^
|
||||
(AES_Te4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(AES_Te4[(t2 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(AES_Te4[(t3 ) & 0xff] & 0x000000ff) ^
|
||||
rk[0];
|
||||
PUTU32(out , s0);
|
||||
s1 =
|
||||
rk[0];
|
||||
PUTU32(out , s0);
|
||||
s1 =
|
||||
(AES_Te4[(t1 >> 24) ] & 0xff000000) ^
|
||||
(AES_Te4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(AES_Te4[(t3 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(AES_Te4[(t0 ) & 0xff] & 0x000000ff) ^
|
||||
rk[1];
|
||||
PUTU32(out + 4, s1);
|
||||
s2 =
|
||||
rk[1];
|
||||
PUTU32(out + 4, s1);
|
||||
s2 =
|
||||
(AES_Te4[(t2 >> 24) ] & 0xff000000) ^
|
||||
(AES_Te4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(AES_Te4[(t0 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(AES_Te4[(t1 ) & 0xff] & 0x000000ff) ^
|
||||
rk[2];
|
||||
PUTU32(out + 8, s2);
|
||||
s3 =
|
||||
rk[2];
|
||||
PUTU32(out + 8, s2);
|
||||
s3 =
|
||||
(AES_Te4[(t3 >> 24) ] & 0xff000000) ^
|
||||
(AES_Te4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(AES_Te4[(t1 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(AES_Te4[(t2 ) & 0xff] & 0x000000ff) ^
|
||||
rk[3];
|
||||
PUTU32(out + 12, s3);
|
||||
rk[3];
|
||||
PUTU32(out + 12, s3);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -1413,21 +1413,21 @@ void AES_encrypt(const unsigned char *in, unsigned char *out,
|
||||
* in and out can overlap
|
||||
*/
|
||||
void AES_decrypt(const unsigned char *in, unsigned char *out,
|
||||
const AES_KEY *key) {
|
||||
const AES_KEY *key) {
|
||||
|
||||
const u32 *rk;
|
||||
u32 s0, s1, s2, s3, t0, t1, t2, t3;
|
||||
const u32 *rk;
|
||||
u32 s0, s1, s2, s3, t0, t1, t2, t3;
|
||||
#ifndef FULL_UNROLL
|
||||
int r;
|
||||
int r;
|
||||
#endif /* ?FULL_UNROLL */
|
||||
|
||||
assert(in && out && key);
|
||||
rk = key->rd_key;
|
||||
assert(in && out && key);
|
||||
rk = key->rd_key;
|
||||
|
||||
/*
|
||||
* map byte array block to cipher state
|
||||
* and add initial round key:
|
||||
*/
|
||||
/*
|
||||
* map byte array block to cipher state
|
||||
* and add initial round key:
|
||||
*/
|
||||
s0 = GETU32(in ) ^ rk[0];
|
||||
s1 = GETU32(in + 4) ^ rk[1];
|
||||
s2 = GETU32(in + 8) ^ rk[2];
|
||||
@ -1502,7 +1502,7 @@ void AES_decrypt(const unsigned char *in, unsigned char *out,
|
||||
t3 = AES_Td0[s3 >> 24] ^ AES_Td1[(s2 >> 16) & 0xff] ^ AES_Td2[(s1 >> 8) & 0xff] ^ AES_Td3[s0 & 0xff] ^ rk[55];
|
||||
}
|
||||
}
|
||||
rk += key->rounds << 2;
|
||||
rk += key->rounds << 2;
|
||||
#else /* !FULL_UNROLL */
|
||||
/*
|
||||
* Nr - 1 full rounds:
|
||||
@ -1566,88 +1566,88 @@ void AES_decrypt(const unsigned char *in, unsigned char *out,
|
||||
}
|
||||
#endif /* ?FULL_UNROLL */
|
||||
/*
|
||||
* apply last round and
|
||||
* map cipher state to byte array block:
|
||||
*/
|
||||
s0 =
|
||||
* apply last round and
|
||||
* map cipher state to byte array block:
|
||||
*/
|
||||
s0 =
|
||||
(AES_Td4[(t0 >> 24) ] & 0xff000000) ^
|
||||
(AES_Td4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(AES_Td4[(t2 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(AES_Td4[(t1 ) & 0xff] & 0x000000ff) ^
|
||||
rk[0];
|
||||
PUTU32(out , s0);
|
||||
s1 =
|
||||
rk[0];
|
||||
PUTU32(out , s0);
|
||||
s1 =
|
||||
(AES_Td4[(t1 >> 24) ] & 0xff000000) ^
|
||||
(AES_Td4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(AES_Td4[(t3 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(AES_Td4[(t2 ) & 0xff] & 0x000000ff) ^
|
||||
rk[1];
|
||||
PUTU32(out + 4, s1);
|
||||
s2 =
|
||||
rk[1];
|
||||
PUTU32(out + 4, s1);
|
||||
s2 =
|
||||
(AES_Td4[(t2 >> 24) ] & 0xff000000) ^
|
||||
(AES_Td4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(AES_Td4[(t0 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(AES_Td4[(t3 ) & 0xff] & 0x000000ff) ^
|
||||
rk[2];
|
||||
PUTU32(out + 8, s2);
|
||||
s3 =
|
||||
rk[2];
|
||||
PUTU32(out + 8, s2);
|
||||
s3 =
|
||||
(AES_Td4[(t3 >> 24) ] & 0xff000000) ^
|
||||
(AES_Td4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
|
||||
(AES_Td4[(t1 >> 8) & 0xff] & 0x0000ff00) ^
|
||||
(AES_Td4[(t0 ) & 0xff] & 0x000000ff) ^
|
||||
rk[3];
|
||||
PUTU32(out + 12, s3);
|
||||
rk[3];
|
||||
PUTU32(out + 12, s3);
|
||||
}
|
||||
|
||||
#endif /* AES_ASM */
|
||||
|
||||
void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
|
||||
const unsigned long length, const AES_KEY *key,
|
||||
unsigned char *ivec, const int enc)
|
||||
const unsigned long length, const AES_KEY *key,
|
||||
unsigned char *ivec, const int enc)
|
||||
{
|
||||
|
||||
unsigned long n;
|
||||
unsigned long len = length;
|
||||
unsigned char tmp[AES_BLOCK_SIZE];
|
||||
unsigned long n;
|
||||
unsigned long len = length;
|
||||
unsigned char tmp[AES_BLOCK_SIZE];
|
||||
|
||||
assert(in && out && key && ivec);
|
||||
assert(in && out && key && ivec);
|
||||
|
||||
if (enc) {
|
||||
while (len >= AES_BLOCK_SIZE) {
|
||||
for(n=0; n < AES_BLOCK_SIZE; ++n)
|
||||
tmp[n] = in[n] ^ ivec[n];
|
||||
AES_encrypt(tmp, out, key);
|
||||
memcpy(ivec, out, AES_BLOCK_SIZE);
|
||||
len -= AES_BLOCK_SIZE;
|
||||
in += AES_BLOCK_SIZE;
|
||||
out += AES_BLOCK_SIZE;
|
||||
}
|
||||
if (len) {
|
||||
for(n=0; n < len; ++n)
|
||||
tmp[n] = in[n] ^ ivec[n];
|
||||
for(n=len; n < AES_BLOCK_SIZE; ++n)
|
||||
tmp[n] = ivec[n];
|
||||
AES_encrypt(tmp, tmp, key);
|
||||
memcpy(out, tmp, AES_BLOCK_SIZE);
|
||||
memcpy(ivec, tmp, AES_BLOCK_SIZE);
|
||||
}
|
||||
} else {
|
||||
while (len >= AES_BLOCK_SIZE) {
|
||||
memcpy(tmp, in, AES_BLOCK_SIZE);
|
||||
AES_decrypt(in, out, key);
|
||||
for(n=0; n < AES_BLOCK_SIZE; ++n)
|
||||
out[n] ^= ivec[n];
|
||||
memcpy(ivec, tmp, AES_BLOCK_SIZE);
|
||||
len -= AES_BLOCK_SIZE;
|
||||
in += AES_BLOCK_SIZE;
|
||||
out += AES_BLOCK_SIZE;
|
||||
}
|
||||
if (len) {
|
||||
memcpy(tmp, in, AES_BLOCK_SIZE);
|
||||
AES_decrypt(tmp, tmp, key);
|
||||
for(n=0; n < len; ++n)
|
||||
out[n] = tmp[n] ^ ivec[n];
|
||||
memcpy(ivec, tmp, AES_BLOCK_SIZE);
|
||||
}
|
||||
}
|
||||
if (enc) {
|
||||
while (len >= AES_BLOCK_SIZE) {
|
||||
for(n=0; n < AES_BLOCK_SIZE; ++n)
|
||||
tmp[n] = in[n] ^ ivec[n];
|
||||
AES_encrypt(tmp, out, key);
|
||||
memcpy(ivec, out, AES_BLOCK_SIZE);
|
||||
len -= AES_BLOCK_SIZE;
|
||||
in += AES_BLOCK_SIZE;
|
||||
out += AES_BLOCK_SIZE;
|
||||
}
|
||||
if (len) {
|
||||
for(n=0; n < len; ++n)
|
||||
tmp[n] = in[n] ^ ivec[n];
|
||||
for(n=len; n < AES_BLOCK_SIZE; ++n)
|
||||
tmp[n] = ivec[n];
|
||||
AES_encrypt(tmp, tmp, key);
|
||||
memcpy(out, tmp, AES_BLOCK_SIZE);
|
||||
memcpy(ivec, tmp, AES_BLOCK_SIZE);
|
||||
}
|
||||
} else {
|
||||
while (len >= AES_BLOCK_SIZE) {
|
||||
memcpy(tmp, in, AES_BLOCK_SIZE);
|
||||
AES_decrypt(in, out, key);
|
||||
for(n=0; n < AES_BLOCK_SIZE; ++n)
|
||||
out[n] ^= ivec[n];
|
||||
memcpy(ivec, tmp, AES_BLOCK_SIZE);
|
||||
len -= AES_BLOCK_SIZE;
|
||||
in += AES_BLOCK_SIZE;
|
||||
out += AES_BLOCK_SIZE;
|
||||
}
|
||||
if (len) {
|
||||
memcpy(tmp, in, AES_BLOCK_SIZE);
|
||||
AES_decrypt(tmp, tmp, key);
|
||||
for(n=0; n < len; ++n)
|
||||
out[n] = tmp[n] ^ ivec[n];
|
||||
memcpy(ivec, tmp, AES_BLOCK_SIZE);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
584
crypto/desrfb.c
584
crypto/desrfb.c
@ -37,353 +37,353 @@ static void cookey(unsigned long *);
|
||||
static unsigned long KnL[32] = { 0L };
|
||||
|
||||
static const unsigned short bytebit[8] = {
|
||||
01, 02, 04, 010, 020, 040, 0100, 0200 };
|
||||
01, 02, 04, 010, 020, 040, 0100, 0200 };
|
||||
|
||||
static const unsigned long bigbyte[24] = {
|
||||
0x800000L, 0x400000L, 0x200000L, 0x100000L,
|
||||
0x80000L, 0x40000L, 0x20000L, 0x10000L,
|
||||
0x8000L, 0x4000L, 0x2000L, 0x1000L,
|
||||
0x800L, 0x400L, 0x200L, 0x100L,
|
||||
0x80L, 0x40L, 0x20L, 0x10L,
|
||||
0x8L, 0x4L, 0x2L, 0x1L };
|
||||
0x800000L, 0x400000L, 0x200000L, 0x100000L,
|
||||
0x80000L, 0x40000L, 0x20000L, 0x10000L,
|
||||
0x8000L, 0x4000L, 0x2000L, 0x1000L,
|
||||
0x800L, 0x400L, 0x200L, 0x100L,
|
||||
0x80L, 0x40L, 0x20L, 0x10L,
|
||||
0x8L, 0x4L, 0x2L, 0x1L };
|
||||
|
||||
/* Use the key schedule specified in the Standard (ANSI X3.92-1981). */
|
||||
|
||||
static const unsigned char pc1[56] = {
|
||||
56, 48, 40, 32, 24, 16, 8, 0, 57, 49, 41, 33, 25, 17,
|
||||
9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35,
|
||||
62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21,
|
||||
13, 5, 60, 52, 44, 36, 28, 20, 12, 4, 27, 19, 11, 3 };
|
||||
56, 48, 40, 32, 24, 16, 8, 0, 57, 49, 41, 33, 25, 17,
|
||||
9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35,
|
||||
62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21,
|
||||
13, 5, 60, 52, 44, 36, 28, 20, 12, 4, 27, 19, 11, 3 };
|
||||
|
||||
static const unsigned char totrot[16] = {
|
||||
1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28 };
|
||||
1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28 };
|
||||
|
||||
static const unsigned char pc2[48] = {
|
||||
13, 16, 10, 23, 0, 4, 2, 27, 14, 5, 20, 9,
|
||||
22, 18, 11, 3, 25, 7, 15, 6, 26, 19, 12, 1,
|
||||
40, 51, 30, 36, 46, 54, 29, 39, 50, 44, 32, 47,
|
||||
43, 48, 38, 55, 33, 52, 45, 41, 49, 35, 28, 31 };
|
||||
13, 16, 10, 23, 0, 4, 2, 27, 14, 5, 20, 9,
|
||||
22, 18, 11, 3, 25, 7, 15, 6, 26, 19, 12, 1,
|
||||
40, 51, 30, 36, 46, 54, 29, 39, 50, 44, 32, 47,
|
||||
43, 48, 38, 55, 33, 52, 45, 41, 49, 35, 28, 31 };
|
||||
|
||||
/* Thanks to James Gillogly & Phil Karn! */
|
||||
void deskey(unsigned char *key, int edf)
|
||||
{
|
||||
register int i, j, l, m, n;
|
||||
unsigned char pc1m[56], pcr[56];
|
||||
unsigned long kn[32];
|
||||
register int i, j, l, m, n;
|
||||
unsigned char pc1m[56], pcr[56];
|
||||
unsigned long kn[32];
|
||||
|
||||
for ( j = 0; j < 56; j++ ) {
|
||||
l = pc1[j];
|
||||
m = l & 07;
|
||||
pc1m[j] = (key[l >> 3] & bytebit[m]) ? 1 : 0;
|
||||
}
|
||||
for( i = 0; i < 16; i++ ) {
|
||||
if( edf == DE1 ) m = (15 - i) << 1;
|
||||
else m = i << 1;
|
||||
n = m + 1;
|
||||
kn[m] = kn[n] = 0L;
|
||||
for( j = 0; j < 28; j++ ) {
|
||||
l = j + totrot[i];
|
||||
if( l < 28 ) pcr[j] = pc1m[l];
|
||||
else pcr[j] = pc1m[l - 28];
|
||||
}
|
||||
for( j = 28; j < 56; j++ ) {
|
||||
l = j + totrot[i];
|
||||
if( l < 56 ) pcr[j] = pc1m[l];
|
||||
else pcr[j] = pc1m[l - 28];
|
||||
}
|
||||
for( j = 0; j < 24; j++ ) {
|
||||
if( pcr[pc2[j]] ) kn[m] |= bigbyte[j];
|
||||
if( pcr[pc2[j+24]] ) kn[n] |= bigbyte[j];
|
||||
}
|
||||
}
|
||||
cookey(kn);
|
||||
return;
|
||||
}
|
||||
for ( j = 0; j < 56; j++ ) {
|
||||
l = pc1[j];
|
||||
m = l & 07;
|
||||
pc1m[j] = (key[l >> 3] & bytebit[m]) ? 1 : 0;
|
||||
}
|
||||
for( i = 0; i < 16; i++ ) {
|
||||
if( edf == DE1 ) m = (15 - i) << 1;
|
||||
else m = i << 1;
|
||||
n = m + 1;
|
||||
kn[m] = kn[n] = 0L;
|
||||
for( j = 0; j < 28; j++ ) {
|
||||
l = j + totrot[i];
|
||||
if( l < 28 ) pcr[j] = pc1m[l];
|
||||
else pcr[j] = pc1m[l - 28];
|
||||
}
|
||||
for( j = 28; j < 56; j++ ) {
|
||||
l = j + totrot[i];
|
||||
if( l < 56 ) pcr[j] = pc1m[l];
|
||||
else pcr[j] = pc1m[l - 28];
|
||||
}
|
||||
for( j = 0; j < 24; j++ ) {
|
||||
if( pcr[pc2[j]] ) kn[m] |= bigbyte[j];
|
||||
if( pcr[pc2[j+24]] ) kn[n] |= bigbyte[j];
|
||||
}
|
||||
}
|
||||
cookey(kn);
|
||||
return;
|
||||
}
|
||||
|
||||
static void cookey(register unsigned long *raw1)
|
||||
{
|
||||
register unsigned long *cook, *raw0;
|
||||
unsigned long dough[32];
|
||||
register int i;
|
||||
register unsigned long *cook, *raw0;
|
||||
unsigned long dough[32];
|
||||
register int i;
|
||||
|
||||
cook = dough;
|
||||
for( i = 0; i < 16; i++, raw1++ ) {
|
||||
raw0 = raw1++;
|
||||
*cook = (*raw0 & 0x00fc0000L) << 6;
|
||||
*cook |= (*raw0 & 0x00000fc0L) << 10;
|
||||
*cook |= (*raw1 & 0x00fc0000L) >> 10;
|
||||
*cook++ |= (*raw1 & 0x00000fc0L) >> 6;
|
||||
*cook = (*raw0 & 0x0003f000L) << 12;
|
||||
*cook |= (*raw0 & 0x0000003fL) << 16;
|
||||
*cook |= (*raw1 & 0x0003f000L) >> 4;
|
||||
*cook++ |= (*raw1 & 0x0000003fL);
|
||||
}
|
||||
usekey(dough);
|
||||
return;
|
||||
}
|
||||
cook = dough;
|
||||
for( i = 0; i < 16; i++, raw1++ ) {
|
||||
raw0 = raw1++;
|
||||
*cook = (*raw0 & 0x00fc0000L) << 6;
|
||||
*cook |= (*raw0 & 0x00000fc0L) << 10;
|
||||
*cook |= (*raw1 & 0x00fc0000L) >> 10;
|
||||
*cook++ |= (*raw1 & 0x00000fc0L) >> 6;
|
||||
*cook = (*raw0 & 0x0003f000L) << 12;
|
||||
*cook |= (*raw0 & 0x0000003fL) << 16;
|
||||
*cook |= (*raw1 & 0x0003f000L) >> 4;
|
||||
*cook++ |= (*raw1 & 0x0000003fL);
|
||||
}
|
||||
usekey(dough);
|
||||
return;
|
||||
}
|
||||
|
||||
void usekey(register unsigned long *from)
|
||||
{
|
||||
register unsigned long *to, *endp;
|
||||
register unsigned long *to, *endp;
|
||||
|
||||
to = KnL, endp = &KnL[32];
|
||||
while( to < endp ) *to++ = *from++;
|
||||
return;
|
||||
}
|
||||
to = KnL, endp = &KnL[32];
|
||||
while( to < endp ) *to++ = *from++;
|
||||
return;
|
||||
}
|
||||
|
||||
void des(unsigned char *inblock, unsigned char *outblock)
|
||||
{
|
||||
unsigned long work[2];
|
||||
unsigned long work[2];
|
||||
|
||||
scrunch(inblock, work);
|
||||
desfunc(work, KnL);
|
||||
unscrun(work, outblock);
|
||||
return;
|
||||
}
|
||||
scrunch(inblock, work);
|
||||
desfunc(work, KnL);
|
||||
unscrun(work, outblock);
|
||||
return;
|
||||
}
|
||||
|
||||
static void scrunch(register unsigned char *outof, register unsigned long *into)
|
||||
{
|
||||
*into = (*outof++ & 0xffL) << 24;
|
||||
*into |= (*outof++ & 0xffL) << 16;
|
||||
*into |= (*outof++ & 0xffL) << 8;
|
||||
*into++ |= (*outof++ & 0xffL);
|
||||
*into = (*outof++ & 0xffL) << 24;
|
||||
*into |= (*outof++ & 0xffL) << 16;
|
||||
*into |= (*outof++ & 0xffL) << 8;
|
||||
*into |= (*outof & 0xffL);
|
||||
return;
|
||||
}
|
||||
*into = (*outof++ & 0xffL) << 24;
|
||||
*into |= (*outof++ & 0xffL) << 16;
|
||||
*into |= (*outof++ & 0xffL) << 8;
|
||||
*into++ |= (*outof++ & 0xffL);
|
||||
*into = (*outof++ & 0xffL) << 24;
|
||||
*into |= (*outof++ & 0xffL) << 16;
|
||||
*into |= (*outof++ & 0xffL) << 8;
|
||||
*into |= (*outof & 0xffL);
|
||||
return;
|
||||
}
|
||||
|
||||
static void unscrun(register unsigned long *outof, register unsigned char *into)
|
||||
{
|
||||
*into++ = (unsigned char)((*outof >> 24) & 0xffL);
|
||||
*into++ = (unsigned char)((*outof >> 16) & 0xffL);
|
||||
*into++ = (unsigned char)((*outof >> 8) & 0xffL);
|
||||
*into++ = (unsigned char)(*outof++ & 0xffL);
|
||||
*into++ = (unsigned char)((*outof >> 24) & 0xffL);
|
||||
*into++ = (unsigned char)((*outof >> 16) & 0xffL);
|
||||
*into++ = (unsigned char)((*outof >> 8) & 0xffL);
|
||||
*into = (unsigned char)(*outof & 0xffL);
|
||||
return;
|
||||
}
|
||||
*into++ = (unsigned char)((*outof >> 24) & 0xffL);
|
||||
*into++ = (unsigned char)((*outof >> 16) & 0xffL);
|
||||
*into++ = (unsigned char)((*outof >> 8) & 0xffL);
|
||||
*into++ = (unsigned char)(*outof++ & 0xffL);
|
||||
*into++ = (unsigned char)((*outof >> 24) & 0xffL);
|
||||
*into++ = (unsigned char)((*outof >> 16) & 0xffL);
|
||||
*into++ = (unsigned char)((*outof >> 8) & 0xffL);
|
||||
*into = (unsigned char)(*outof & 0xffL);
|
||||
return;
|
||||
}
|
||||
|
||||
static const unsigned long SP1[64] = {
|
||||
0x01010400L, 0x00000000L, 0x00010000L, 0x01010404L,
|
||||
0x01010004L, 0x00010404L, 0x00000004L, 0x00010000L,
|
||||
0x00000400L, 0x01010400L, 0x01010404L, 0x00000400L,
|
||||
0x01000404L, 0x01010004L, 0x01000000L, 0x00000004L,
|
||||
0x00000404L, 0x01000400L, 0x01000400L, 0x00010400L,
|
||||
0x00010400L, 0x01010000L, 0x01010000L, 0x01000404L,
|
||||
0x00010004L, 0x01000004L, 0x01000004L, 0x00010004L,
|
||||
0x00000000L, 0x00000404L, 0x00010404L, 0x01000000L,
|
||||
0x00010000L, 0x01010404L, 0x00000004L, 0x01010000L,
|
||||
0x01010400L, 0x01000000L, 0x01000000L, 0x00000400L,
|
||||
0x01010004L, 0x00010000L, 0x00010400L, 0x01000004L,
|
||||
0x00000400L, 0x00000004L, 0x01000404L, 0x00010404L,
|
||||
0x01010404L, 0x00010004L, 0x01010000L, 0x01000404L,
|
||||
0x01000004L, 0x00000404L, 0x00010404L, 0x01010400L,
|
||||
0x00000404L, 0x01000400L, 0x01000400L, 0x00000000L,
|
||||
0x00010004L, 0x00010400L, 0x00000000L, 0x01010004L };
|
||||
0x01010400L, 0x00000000L, 0x00010000L, 0x01010404L,
|
||||
0x01010004L, 0x00010404L, 0x00000004L, 0x00010000L,
|
||||
0x00000400L, 0x01010400L, 0x01010404L, 0x00000400L,
|
||||
0x01000404L, 0x01010004L, 0x01000000L, 0x00000004L,
|
||||
0x00000404L, 0x01000400L, 0x01000400L, 0x00010400L,
|
||||
0x00010400L, 0x01010000L, 0x01010000L, 0x01000404L,
|
||||
0x00010004L, 0x01000004L, 0x01000004L, 0x00010004L,
|
||||
0x00000000L, 0x00000404L, 0x00010404L, 0x01000000L,
|
||||
0x00010000L, 0x01010404L, 0x00000004L, 0x01010000L,
|
||||
0x01010400L, 0x01000000L, 0x01000000L, 0x00000400L,
|
||||
0x01010004L, 0x00010000L, 0x00010400L, 0x01000004L,
|
||||
0x00000400L, 0x00000004L, 0x01000404L, 0x00010404L,
|
||||
0x01010404L, 0x00010004L, 0x01010000L, 0x01000404L,
|
||||
0x01000004L, 0x00000404L, 0x00010404L, 0x01010400L,
|
||||
0x00000404L, 0x01000400L, 0x01000400L, 0x00000000L,
|
||||
0x00010004L, 0x00010400L, 0x00000000L, 0x01010004L };
|
||||
|
||||
static const unsigned long SP2[64] = {
|
||||
0x80108020L, 0x80008000L, 0x00008000L, 0x00108020L,
|
||||
0x00100000L, 0x00000020L, 0x80100020L, 0x80008020L,
|
||||
0x80000020L, 0x80108020L, 0x80108000L, 0x80000000L,
|
||||
0x80008000L, 0x00100000L, 0x00000020L, 0x80100020L,
|
||||
0x00108000L, 0x00100020L, 0x80008020L, 0x00000000L,
|
||||
0x80000000L, 0x00008000L, 0x00108020L, 0x80100000L,
|
||||
0x00100020L, 0x80000020L, 0x00000000L, 0x00108000L,
|
||||
0x00008020L, 0x80108000L, 0x80100000L, 0x00008020L,
|
||||
0x00000000L, 0x00108020L, 0x80100020L, 0x00100000L,
|
||||
0x80008020L, 0x80100000L, 0x80108000L, 0x00008000L,
|
||||
0x80100000L, 0x80008000L, 0x00000020L, 0x80108020L,
|
||||
0x00108020L, 0x00000020L, 0x00008000L, 0x80000000L,
|
||||
0x00008020L, 0x80108000L, 0x00100000L, 0x80000020L,
|
||||
0x00100020L, 0x80008020L, 0x80000020L, 0x00100020L,
|
||||
0x00108000L, 0x00000000L, 0x80008000L, 0x00008020L,
|
||||
0x80000000L, 0x80100020L, 0x80108020L, 0x00108000L };
|
||||
0x80108020L, 0x80008000L, 0x00008000L, 0x00108020L,
|
||||
0x00100000L, 0x00000020L, 0x80100020L, 0x80008020L,
|
||||
0x80000020L, 0x80108020L, 0x80108000L, 0x80000000L,
|
||||
0x80008000L, 0x00100000L, 0x00000020L, 0x80100020L,
|
||||
0x00108000L, 0x00100020L, 0x80008020L, 0x00000000L,
|
||||
0x80000000L, 0x00008000L, 0x00108020L, 0x80100000L,
|
||||
0x00100020L, 0x80000020L, 0x00000000L, 0x00108000L,
|
||||
0x00008020L, 0x80108000L, 0x80100000L, 0x00008020L,
|
||||
0x00000000L, 0x00108020L, 0x80100020L, 0x00100000L,
|
||||
0x80008020L, 0x80100000L, 0x80108000L, 0x00008000L,
|
||||
0x80100000L, 0x80008000L, 0x00000020L, 0x80108020L,
|
||||
0x00108020L, 0x00000020L, 0x00008000L, 0x80000000L,
|
||||
0x00008020L, 0x80108000L, 0x00100000L, 0x80000020L,
|
||||
0x00100020L, 0x80008020L, 0x80000020L, 0x00100020L,
|
||||
0x00108000L, 0x00000000L, 0x80008000L, 0x00008020L,
|
||||
0x80000000L, 0x80100020L, 0x80108020L, 0x00108000L };
|
||||
|
||||
static const unsigned long SP3[64] = {
|
||||
0x00000208L, 0x08020200L, 0x00000000L, 0x08020008L,
|
||||
0x08000200L, 0x00000000L, 0x00020208L, 0x08000200L,
|
||||
0x00020008L, 0x08000008L, 0x08000008L, 0x00020000L,
|
||||
0x08020208L, 0x00020008L, 0x08020000L, 0x00000208L,
|
||||
0x08000000L, 0x00000008L, 0x08020200L, 0x00000200L,
|
||||
0x00020200L, 0x08020000L, 0x08020008L, 0x00020208L,
|
||||
0x08000208L, 0x00020200L, 0x00020000L, 0x08000208L,
|
||||
0x00000008L, 0x08020208L, 0x00000200L, 0x08000000L,
|
||||
0x08020200L, 0x08000000L, 0x00020008L, 0x00000208L,
|
||||
0x00020000L, 0x08020200L, 0x08000200L, 0x00000000L,
|
||||
0x00000200L, 0x00020008L, 0x08020208L, 0x08000200L,
|
||||
0x08000008L, 0x00000200L, 0x00000000L, 0x08020008L,
|
||||
0x08000208L, 0x00020000L, 0x08000000L, 0x08020208L,
|
||||
0x00000008L, 0x00020208L, 0x00020200L, 0x08000008L,
|
||||
0x08020000L, 0x08000208L, 0x00000208L, 0x08020000L,
|
||||
0x00020208L, 0x00000008L, 0x08020008L, 0x00020200L };
|
||||
0x00000208L, 0x08020200L, 0x00000000L, 0x08020008L,
|
||||
0x08000200L, 0x00000000L, 0x00020208L, 0x08000200L,
|
||||
0x00020008L, 0x08000008L, 0x08000008L, 0x00020000L,
|
||||
0x08020208L, 0x00020008L, 0x08020000L, 0x00000208L,
|
||||
0x08000000L, 0x00000008L, 0x08020200L, 0x00000200L,
|
||||
0x00020200L, 0x08020000L, 0x08020008L, 0x00020208L,
|
||||
0x08000208L, 0x00020200L, 0x00020000L, 0x08000208L,
|
||||
0x00000008L, 0x08020208L, 0x00000200L, 0x08000000L,
|
||||
0x08020200L, 0x08000000L, 0x00020008L, 0x00000208L,
|
||||
0x00020000L, 0x08020200L, 0x08000200L, 0x00000000L,
|
||||
0x00000200L, 0x00020008L, 0x08020208L, 0x08000200L,
|
||||
0x08000008L, 0x00000200L, 0x00000000L, 0x08020008L,
|
||||
0x08000208L, 0x00020000L, 0x08000000L, 0x08020208L,
|
||||
0x00000008L, 0x00020208L, 0x00020200L, 0x08000008L,
|
||||
0x08020000L, 0x08000208L, 0x00000208L, 0x08020000L,
|
||||
0x00020208L, 0x00000008L, 0x08020008L, 0x00020200L };
|
||||
|
||||
static const unsigned long SP4[64] = {
|
||||
0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
|
||||
0x00802080L, 0x00800081L, 0x00800001L, 0x00002001L,
|
||||
0x00000000L, 0x00802000L, 0x00802000L, 0x00802081L,
|
||||
0x00000081L, 0x00000000L, 0x00800080L, 0x00800001L,
|
||||
0x00000001L, 0x00002000L, 0x00800000L, 0x00802001L,
|
||||
0x00000080L, 0x00800000L, 0x00002001L, 0x00002080L,
|
||||
0x00800081L, 0x00000001L, 0x00002080L, 0x00800080L,
|
||||
0x00002000L, 0x00802080L, 0x00802081L, 0x00000081L,
|
||||
0x00800080L, 0x00800001L, 0x00802000L, 0x00802081L,
|
||||
0x00000081L, 0x00000000L, 0x00000000L, 0x00802000L,
|
||||
0x00002080L, 0x00800080L, 0x00800081L, 0x00000001L,
|
||||
0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
|
||||
0x00802081L, 0x00000081L, 0x00000001L, 0x00002000L,
|
||||
0x00800001L, 0x00002001L, 0x00802080L, 0x00800081L,
|
||||
0x00002001L, 0x00002080L, 0x00800000L, 0x00802001L,
|
||||
0x00000080L, 0x00800000L, 0x00002000L, 0x00802080L };
|
||||
0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
|
||||
0x00802080L, 0x00800081L, 0x00800001L, 0x00002001L,
|
||||
0x00000000L, 0x00802000L, 0x00802000L, 0x00802081L,
|
||||
0x00000081L, 0x00000000L, 0x00800080L, 0x00800001L,
|
||||
0x00000001L, 0x00002000L, 0x00800000L, 0x00802001L,
|
||||
0x00000080L, 0x00800000L, 0x00002001L, 0x00002080L,
|
||||
0x00800081L, 0x00000001L, 0x00002080L, 0x00800080L,
|
||||
0x00002000L, 0x00802080L, 0x00802081L, 0x00000081L,
|
||||
0x00800080L, 0x00800001L, 0x00802000L, 0x00802081L,
|
||||
0x00000081L, 0x00000000L, 0x00000000L, 0x00802000L,
|
||||
0x00002080L, 0x00800080L, 0x00800081L, 0x00000001L,
|
||||
0x00802001L, 0x00002081L, 0x00002081L, 0x00000080L,
|
||||
0x00802081L, 0x00000081L, 0x00000001L, 0x00002000L,
|
||||
0x00800001L, 0x00002001L, 0x00802080L, 0x00800081L,
|
||||
0x00002001L, 0x00002080L, 0x00800000L, 0x00802001L,
|
||||
0x00000080L, 0x00800000L, 0x00002000L, 0x00802080L };
|
||||
|
||||
static const unsigned long SP5[64] = {
|
||||
0x00000100L, 0x02080100L, 0x02080000L, 0x42000100L,
|
||||
0x00080000L, 0x00000100L, 0x40000000L, 0x02080000L,
|
||||
0x40080100L, 0x00080000L, 0x02000100L, 0x40080100L,
|
||||
0x42000100L, 0x42080000L, 0x00080100L, 0x40000000L,
|
||||
0x02000000L, 0x40080000L, 0x40080000L, 0x00000000L,
|
||||
0x40000100L, 0x42080100L, 0x42080100L, 0x02000100L,
|
||||
0x42080000L, 0x40000100L, 0x00000000L, 0x42000000L,
|
||||
0x02080100L, 0x02000000L, 0x42000000L, 0x00080100L,
|
||||
0x00080000L, 0x42000100L, 0x00000100L, 0x02000000L,
|
||||
0x40000000L, 0x02080000L, 0x42000100L, 0x40080100L,
|
||||
0x02000100L, 0x40000000L, 0x42080000L, 0x02080100L,
|
||||
0x40080100L, 0x00000100L, 0x02000000L, 0x42080000L,
|
||||
0x42080100L, 0x00080100L, 0x42000000L, 0x42080100L,
|
||||
0x02080000L, 0x00000000L, 0x40080000L, 0x42000000L,
|
||||
0x00080100L, 0x02000100L, 0x40000100L, 0x00080000L,
|
||||
0x00000000L, 0x40080000L, 0x02080100L, 0x40000100L };
|
||||
0x00000100L, 0x02080100L, 0x02080000L, 0x42000100L,
|
||||
0x00080000L, 0x00000100L, 0x40000000L, 0x02080000L,
|
||||
0x40080100L, 0x00080000L, 0x02000100L, 0x40080100L,
|
||||
0x42000100L, 0x42080000L, 0x00080100L, 0x40000000L,
|
||||
0x02000000L, 0x40080000L, 0x40080000L, 0x00000000L,
|
||||
0x40000100L, 0x42080100L, 0x42080100L, 0x02000100L,
|
||||
0x42080000L, 0x40000100L, 0x00000000L, 0x42000000L,
|
||||
0x02080100L, 0x02000000L, 0x42000000L, 0x00080100L,
|
||||
0x00080000L, 0x42000100L, 0x00000100L, 0x02000000L,
|
||||
0x40000000L, 0x02080000L, 0x42000100L, 0x40080100L,
|
||||
0x02000100L, 0x40000000L, 0x42080000L, 0x02080100L,
|
||||
0x40080100L, 0x00000100L, 0x02000000L, 0x42080000L,
|
||||
0x42080100L, 0x00080100L, 0x42000000L, 0x42080100L,
|
||||
0x02080000L, 0x00000000L, 0x40080000L, 0x42000000L,
|
||||
0x00080100L, 0x02000100L, 0x40000100L, 0x00080000L,
|
||||
0x00000000L, 0x40080000L, 0x02080100L, 0x40000100L };
|
||||
|
||||
static const unsigned long SP6[64] = {
|
||||
0x20000010L, 0x20400000L, 0x00004000L, 0x20404010L,
|
||||
0x20400000L, 0x00000010L, 0x20404010L, 0x00400000L,
|
||||
0x20004000L, 0x00404010L, 0x00400000L, 0x20000010L,
|
||||
0x00400010L, 0x20004000L, 0x20000000L, 0x00004010L,
|
||||
0x00000000L, 0x00400010L, 0x20004010L, 0x00004000L,
|
||||
0x00404000L, 0x20004010L, 0x00000010L, 0x20400010L,
|
||||
0x20400010L, 0x00000000L, 0x00404010L, 0x20404000L,
|
||||
0x00004010L, 0x00404000L, 0x20404000L, 0x20000000L,
|
||||
0x20004000L, 0x00000010L, 0x20400010L, 0x00404000L,
|
||||
0x20404010L, 0x00400000L, 0x00004010L, 0x20000010L,
|
||||
0x00400000L, 0x20004000L, 0x20000000L, 0x00004010L,
|
||||
0x20000010L, 0x20404010L, 0x00404000L, 0x20400000L,
|
||||
0x00404010L, 0x20404000L, 0x00000000L, 0x20400010L,
|
||||
0x00000010L, 0x00004000L, 0x20400000L, 0x00404010L,
|
||||
0x00004000L, 0x00400010L, 0x20004010L, 0x00000000L,
|
||||
0x20404000L, 0x20000000L, 0x00400010L, 0x20004010L };
|
||||
0x20000010L, 0x20400000L, 0x00004000L, 0x20404010L,
|
||||
0x20400000L, 0x00000010L, 0x20404010L, 0x00400000L,
|
||||
0x20004000L, 0x00404010L, 0x00400000L, 0x20000010L,
|
||||
0x00400010L, 0x20004000L, 0x20000000L, 0x00004010L,
|
||||
0x00000000L, 0x00400010L, 0x20004010L, 0x00004000L,
|
||||
0x00404000L, 0x20004010L, 0x00000010L, 0x20400010L,
|
||||
0x20400010L, 0x00000000L, 0x00404010L, 0x20404000L,
|
||||
0x00004010L, 0x00404000L, 0x20404000L, 0x20000000L,
|
||||
0x20004000L, 0x00000010L, 0x20400010L, 0x00404000L,
|
||||
0x20404010L, 0x00400000L, 0x00004010L, 0x20000010L,
|
||||
0x00400000L, 0x20004000L, 0x20000000L, 0x00004010L,
|
||||
0x20000010L, 0x20404010L, 0x00404000L, 0x20400000L,
|
||||
0x00404010L, 0x20404000L, 0x00000000L, 0x20400010L,
|
||||
0x00000010L, 0x00004000L, 0x20400000L, 0x00404010L,
|
||||
0x00004000L, 0x00400010L, 0x20004010L, 0x00000000L,
|
||||
0x20404000L, 0x20000000L, 0x00400010L, 0x20004010L };
|
||||
|
||||
static const unsigned long SP7[64] = {
|
||||
0x00200000L, 0x04200002L, 0x04000802L, 0x00000000L,
|
||||
0x00000800L, 0x04000802L, 0x00200802L, 0x04200800L,
|
||||
0x04200802L, 0x00200000L, 0x00000000L, 0x04000002L,
|
||||
0x00000002L, 0x04000000L, 0x04200002L, 0x00000802L,
|
||||
0x04000800L, 0x00200802L, 0x00200002L, 0x04000800L,
|
||||
0x04000002L, 0x04200000L, 0x04200800L, 0x00200002L,
|
||||
0x04200000L, 0x00000800L, 0x00000802L, 0x04200802L,
|
||||
0x00200800L, 0x00000002L, 0x04000000L, 0x00200800L,
|
||||
0x04000000L, 0x00200800L, 0x00200000L, 0x04000802L,
|
||||
0x04000802L, 0x04200002L, 0x04200002L, 0x00000002L,
|
||||
0x00200002L, 0x04000000L, 0x04000800L, 0x00200000L,
|
||||
0x04200800L, 0x00000802L, 0x00200802L, 0x04200800L,
|
||||
0x00000802L, 0x04000002L, 0x04200802L, 0x04200000L,
|
||||
0x00200800L, 0x00000000L, 0x00000002L, 0x04200802L,
|
||||
0x00000000L, 0x00200802L, 0x04200000L, 0x00000800L,
|
||||
0x04000002L, 0x04000800L, 0x00000800L, 0x00200002L };
|
||||
0x00200000L, 0x04200002L, 0x04000802L, 0x00000000L,
|
||||
0x00000800L, 0x04000802L, 0x00200802L, 0x04200800L,
|
||||
0x04200802L, 0x00200000L, 0x00000000L, 0x04000002L,
|
||||
0x00000002L, 0x04000000L, 0x04200002L, 0x00000802L,
|
||||
0x04000800L, 0x00200802L, 0x00200002L, 0x04000800L,
|
||||
0x04000002L, 0x04200000L, 0x04200800L, 0x00200002L,
|
||||
0x04200000L, 0x00000800L, 0x00000802L, 0x04200802L,
|
||||
0x00200800L, 0x00000002L, 0x04000000L, 0x00200800L,
|
||||
0x04000000L, 0x00200800L, 0x00200000L, 0x04000802L,
|
||||
0x04000802L, 0x04200002L, 0x04200002L, 0x00000002L,
|
||||
0x00200002L, 0x04000000L, 0x04000800L, 0x00200000L,
|
||||
0x04200800L, 0x00000802L, 0x00200802L, 0x04200800L,
|
||||
0x00000802L, 0x04000002L, 0x04200802L, 0x04200000L,
|
||||
0x00200800L, 0x00000000L, 0x00000002L, 0x04200802L,
|
||||
0x00000000L, 0x00200802L, 0x04200000L, 0x00000800L,
|
||||
0x04000002L, 0x04000800L, 0x00000800L, 0x00200002L };
|
||||
|
||||
static const unsigned long SP8[64] = {
|
||||
0x10001040L, 0x00001000L, 0x00040000L, 0x10041040L,
|
||||
0x10000000L, 0x10001040L, 0x00000040L, 0x10000000L,
|
||||
0x00040040L, 0x10040000L, 0x10041040L, 0x00041000L,
|
||||
0x10041000L, 0x00041040L, 0x00001000L, 0x00000040L,
|
||||
0x10040000L, 0x10000040L, 0x10001000L, 0x00001040L,
|
||||
0x00041000L, 0x00040040L, 0x10040040L, 0x10041000L,
|
||||
0x00001040L, 0x00000000L, 0x00000000L, 0x10040040L,
|
||||
0x10000040L, 0x10001000L, 0x00041040L, 0x00040000L,
|
||||
0x00041040L, 0x00040000L, 0x10041000L, 0x00001000L,
|
||||
0x00000040L, 0x10040040L, 0x00001000L, 0x00041040L,
|
||||
0x10001000L, 0x00000040L, 0x10000040L, 0x10040000L,
|
||||
0x10040040L, 0x10000000L, 0x00040000L, 0x10001040L,
|
||||
0x00000000L, 0x10041040L, 0x00040040L, 0x10000040L,
|
||||
0x10040000L, 0x10001000L, 0x10001040L, 0x00000000L,
|
||||
0x10041040L, 0x00041000L, 0x00041000L, 0x00001040L,
|
||||
0x00001040L, 0x00040040L, 0x10000000L, 0x10041000L };
|
||||
0x10001040L, 0x00001000L, 0x00040000L, 0x10041040L,
|
||||
0x10000000L, 0x10001040L, 0x00000040L, 0x10000000L,
|
||||
0x00040040L, 0x10040000L, 0x10041040L, 0x00041000L,
|
||||
0x10041000L, 0x00041040L, 0x00001000L, 0x00000040L,
|
||||
0x10040000L, 0x10000040L, 0x10001000L, 0x00001040L,
|
||||
0x00041000L, 0x00040040L, 0x10040040L, 0x10041000L,
|
||||
0x00001040L, 0x00000000L, 0x00000000L, 0x10040040L,
|
||||
0x10000040L, 0x10001000L, 0x00041040L, 0x00040000L,
|
||||
0x00041040L, 0x00040000L, 0x10041000L, 0x00001000L,
|
||||
0x00000040L, 0x10040040L, 0x00001000L, 0x00041040L,
|
||||
0x10001000L, 0x00000040L, 0x10000040L, 0x10040000L,
|
||||
0x10040040L, 0x10000000L, 0x00040000L, 0x10001040L,
|
||||
0x00000000L, 0x10041040L, 0x00040040L, 0x10000040L,
|
||||
0x10040000L, 0x10001000L, 0x10001040L, 0x00000000L,
|
||||
0x10041040L, 0x00041000L, 0x00041000L, 0x00001040L,
|
||||
0x00001040L, 0x00040040L, 0x10000000L, 0x10041000L };
|
||||
|
||||
static void desfunc(register unsigned long *block, register unsigned long *keys)
|
||||
{
|
||||
register unsigned long fval, work, right, leftt;
|
||||
register int round;
|
||||
register unsigned long fval, work, right, leftt;
|
||||
register int round;
|
||||
|
||||
leftt = block[0];
|
||||
right = block[1];
|
||||
work = ((leftt >> 4) ^ right) & 0x0f0f0f0fL;
|
||||
right ^= work;
|
||||
leftt ^= (work << 4);
|
||||
work = ((leftt >> 16) ^ right) & 0x0000ffffL;
|
||||
right ^= work;
|
||||
leftt ^= (work << 16);
|
||||
work = ((right >> 2) ^ leftt) & 0x33333333L;
|
||||
leftt ^= work;
|
||||
right ^= (work << 2);
|
||||
work = ((right >> 8) ^ leftt) & 0x00ff00ffL;
|
||||
leftt ^= work;
|
||||
right ^= (work << 8);
|
||||
right = ((right << 1) | ((right >> 31) & 1L)) & 0xffffffffL;
|
||||
work = (leftt ^ right) & 0xaaaaaaaaL;
|
||||
leftt ^= work;
|
||||
right ^= work;
|
||||
leftt = ((leftt << 1) | ((leftt >> 31) & 1L)) & 0xffffffffL;
|
||||
leftt = block[0];
|
||||
right = block[1];
|
||||
work = ((leftt >> 4) ^ right) & 0x0f0f0f0fL;
|
||||
right ^= work;
|
||||
leftt ^= (work << 4);
|
||||
work = ((leftt >> 16) ^ right) & 0x0000ffffL;
|
||||
right ^= work;
|
||||
leftt ^= (work << 16);
|
||||
work = ((right >> 2) ^ leftt) & 0x33333333L;
|
||||
leftt ^= work;
|
||||
right ^= (work << 2);
|
||||
work = ((right >> 8) ^ leftt) & 0x00ff00ffL;
|
||||
leftt ^= work;
|
||||
right ^= (work << 8);
|
||||
right = ((right << 1) | ((right >> 31) & 1L)) & 0xffffffffL;
|
||||
work = (leftt ^ right) & 0xaaaaaaaaL;
|
||||
leftt ^= work;
|
||||
right ^= work;
|
||||
leftt = ((leftt << 1) | ((leftt >> 31) & 1L)) & 0xffffffffL;
|
||||
|
||||
for( round = 0; round < 8; round++ ) {
|
||||
work = (right << 28) | (right >> 4);
|
||||
work ^= *keys++;
|
||||
fval = SP7[ work & 0x3fL];
|
||||
fval |= SP5[(work >> 8) & 0x3fL];
|
||||
fval |= SP3[(work >> 16) & 0x3fL];
|
||||
fval |= SP1[(work >> 24) & 0x3fL];
|
||||
work = right ^ *keys++;
|
||||
fval |= SP8[ work & 0x3fL];
|
||||
fval |= SP6[(work >> 8) & 0x3fL];
|
||||
fval |= SP4[(work >> 16) & 0x3fL];
|
||||
fval |= SP2[(work >> 24) & 0x3fL];
|
||||
leftt ^= fval;
|
||||
work = (leftt << 28) | (leftt >> 4);
|
||||
work ^= *keys++;
|
||||
fval = SP7[ work & 0x3fL];
|
||||
fval |= SP5[(work >> 8) & 0x3fL];
|
||||
fval |= SP3[(work >> 16) & 0x3fL];
|
||||
fval |= SP1[(work >> 24) & 0x3fL];
|
||||
work = leftt ^ *keys++;
|
||||
fval |= SP8[ work & 0x3fL];
|
||||
fval |= SP6[(work >> 8) & 0x3fL];
|
||||
fval |= SP4[(work >> 16) & 0x3fL];
|
||||
fval |= SP2[(work >> 24) & 0x3fL];
|
||||
right ^= fval;
|
||||
}
|
||||
for( round = 0; round < 8; round++ ) {
|
||||
work = (right << 28) | (right >> 4);
|
||||
work ^= *keys++;
|
||||
fval = SP7[ work & 0x3fL];
|
||||
fval |= SP5[(work >> 8) & 0x3fL];
|
||||
fval |= SP3[(work >> 16) & 0x3fL];
|
||||
fval |= SP1[(work >> 24) & 0x3fL];
|
||||
work = right ^ *keys++;
|
||||
fval |= SP8[ work & 0x3fL];
|
||||
fval |= SP6[(work >> 8) & 0x3fL];
|
||||
fval |= SP4[(work >> 16) & 0x3fL];
|
||||
fval |= SP2[(work >> 24) & 0x3fL];
|
||||
leftt ^= fval;
|
||||
work = (leftt << 28) | (leftt >> 4);
|
||||
work ^= *keys++;
|
||||
fval = SP7[ work & 0x3fL];
|
||||
fval |= SP5[(work >> 8) & 0x3fL];
|
||||
fval |= SP3[(work >> 16) & 0x3fL];
|
||||
fval |= SP1[(work >> 24) & 0x3fL];
|
||||
work = leftt ^ *keys++;
|
||||
fval |= SP8[ work & 0x3fL];
|
||||
fval |= SP6[(work >> 8) & 0x3fL];
|
||||
fval |= SP4[(work >> 16) & 0x3fL];
|
||||
fval |= SP2[(work >> 24) & 0x3fL];
|
||||
right ^= fval;
|
||||
}
|
||||
|
||||
right = (right << 31) | (right >> 1);
|
||||
work = (leftt ^ right) & 0xaaaaaaaaL;
|
||||
leftt ^= work;
|
||||
right ^= work;
|
||||
leftt = (leftt << 31) | (leftt >> 1);
|
||||
work = ((leftt >> 8) ^ right) & 0x00ff00ffL;
|
||||
right ^= work;
|
||||
leftt ^= (work << 8);
|
||||
work = ((leftt >> 2) ^ right) & 0x33333333L;
|
||||
right ^= work;
|
||||
leftt ^= (work << 2);
|
||||
work = ((right >> 16) ^ leftt) & 0x0000ffffL;
|
||||
leftt ^= work;
|
||||
right ^= (work << 16);
|
||||
work = ((right >> 4) ^ leftt) & 0x0f0f0f0fL;
|
||||
leftt ^= work;
|
||||
right ^= (work << 4);
|
||||
*block++ = right;
|
||||
*block = leftt;
|
||||
return;
|
||||
}
|
||||
right = (right << 31) | (right >> 1);
|
||||
work = (leftt ^ right) & 0xaaaaaaaaL;
|
||||
leftt ^= work;
|
||||
right ^= work;
|
||||
leftt = (leftt << 31) | (leftt >> 1);
|
||||
work = ((leftt >> 8) ^ right) & 0x00ff00ffL;
|
||||
right ^= work;
|
||||
leftt ^= (work << 8);
|
||||
work = ((leftt >> 2) ^ right) & 0x33333333L;
|
||||
right ^= work;
|
||||
leftt ^= (work << 2);
|
||||
work = ((right >> 16) ^ leftt) & 0x0000ffffL;
|
||||
leftt ^= work;
|
||||
right ^= (work << 16);
|
||||
work = ((right >> 4) ^ leftt) & 0x0f0f0f0fL;
|
||||
leftt ^= work;
|
||||
right ^= (work << 4);
|
||||
*block++ = right;
|
||||
*block = leftt;
|
||||
return;
|
||||
}
|
||||
|
||||
/* Validation sets:
|
||||
*
|
||||
|
||||
Loading…
Reference in New Issue
Block a user