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fix des return values for ecb and plain cbc, allow errors

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This commit is contained in:
toddouska 2014-05-13 16:04:52 -07:00
parent 0a8804b3f8
commit aa5234ae0e
2 changed files with 27 additions and 17 deletions
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38
ctaocrypt/src/des3.c
View File

@ -169,19 +169,22 @@
CRYP_Cmd(DISABLE);
}
void Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
int Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
{
DesCrypt(des, out, in, sz, DES_ENCRYPTION, DES_CBC);
return 0;
}
void Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
int Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
{
DesCrypt(des, out, in, sz, DES_DECRYPTION, DES_CBC);
return 0;
}
void Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
int Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
{
DesCrypt(des, out, in, sz, DES_ENCRYPTION, DES_ECB);
return 0;
}
void Des3Crypt(Des3* des, byte* out, const byte* in, word32 sz,
@ -389,14 +392,16 @@ static void Des_Cbc(byte* out, const byte* in, word32 sz,
}
void Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
int Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
{
Des_Cbc(out, in, sz, (byte *)des->key, (byte *)des->reg, SEC_DESC_DES_CBC_ENCRYPT) ;
return 0;
}
void Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
int Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
{
Des_Cbc(out, in, sz, (byte *)des->key, (byte *)des->reg, SEC_DESC_DES_CBC_DECRYPT) ;
return 0;
}
int Des3_CbcEncrypt(Des3* des3, byte* out, const byte* in, word32 sz)
@ -556,7 +561,7 @@ int Des3_SetKey(Des3* des3, const byte* key, const byte* iv, int dir)
return ret;
}
void Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
int Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
{
int i;
int offset = 0;
@ -588,10 +593,10 @@ int Des3_SetKey(Des3* des3, const byte* key, const byte* iv, int dir)
XMEMCPY(iv, out + offset - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
}
return;
return 0;
}
void Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
int Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
{
int i;
int offset = 0;
@ -623,7 +628,7 @@ int Des3_SetKey(Des3* des3, const byte* key, const byte* iv, int dir)
offset += DES_BLOCK_SIZE;
}
return;
return 0;
}
int Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
@ -813,16 +818,18 @@ int Des3_SetIV(Des3* des, const byte* iv);
ByteReverseWords((word32*)out, (word32 *)KVA0_TO_KVA1(out), sz);
}
void Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
int Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
{
DesCrypt(des->key, des->reg, out, in, sz,
PIC32_ENCRYPTION, PIC32_ALGO_DES, PIC32_CRYPTOALGO_CBC );
return 0;
}
void Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
int Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
{
DesCrypt(des->key, des->reg, out, in, sz,
PIC32_DECRYPTION, PIC32_ALGO_DES, PIC32_CRYPTOALGO_CBC);
return 0;
}
int Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
@ -1270,7 +1277,7 @@ static void Des3ProcessBlock(Des3* des, const byte* in, byte* out)
}
void Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
int Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
{
word32 blocks = sz / DES_BLOCK_SIZE;
@ -1282,10 +1289,11 @@ void Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
out += DES_BLOCK_SIZE;
in += DES_BLOCK_SIZE;
}
return 0;
}
void Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
int Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
{
word32 blocks = sz / DES_BLOCK_SIZE;
byte hold[DES_BLOCK_SIZE];
@ -1302,6 +1310,7 @@ void Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
out += DES_BLOCK_SIZE;
in += DES_BLOCK_SIZE;
}
return 0;
}
@ -1352,7 +1361,7 @@ int Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
#ifdef CYASSL_DES_ECB
/* One block, compatibility only */
void Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
int Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
{
word32 blocks = sz / DES_BLOCK_SIZE;
@ -1362,6 +1371,7 @@ void Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
out += DES_BLOCK_SIZE;
in += DES_BLOCK_SIZE;
}
return 0;
}
#endif /* CYASSL_DES_ECB */

6
cyassl/ctaocrypt/des3.h
View File

@ -82,9 +82,9 @@ typedef struct Des3 {
CYASSL_API int Des_SetKey(Des* des, const byte* key, const byte* iv, int dir);
CYASSL_API void Des_SetIV(Des* des, const byte* iv);
CYASSL_API void Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz);
CYASSL_API void Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz);
CYASSL_API void Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz);
CYASSL_API int Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz);
CYASSL_API int Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz);
CYASSL_API int Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz);
CYASSL_API int Des3_SetKey(Des3* des, const byte* key, const byte* iv,int dir);
CYASSL_API int Des3_SetIV(Des3* des, const byte* iv);