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Maintenance BLAKE2

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1. Remove BLAKE2 support from HMAC.
2. Update doxy header for HMAC with removal of BLAKE2 and addition of SHA-3.
This commit is contained in:
John Safranek 2019-11-18 10:45:30 -08:00
parent c9f7741dfb
commit 14c986360d
No known key found for this signature in database
GPG Key ID: 8CE817DE0D3CCB4A
4 changed files with 13 additions and 188 deletions
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11
doc/dox_comments/header_files/hmac.h
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@ -6,7 +6,8 @@
\return 0 Returned on successfully initializing the Hmac object
\return BAD_FUNC_ARG Returned if the input type is invalid. Valid options
are: MD5, SHA, SHA256, SHA384, SHA512, BLAKE2B_ID
are: MD5, SHA, SHA256, SHA384, SHA512, SHA3-224, SHA3-256, SHA3-384,
SHA3-512
\return MEMORY_E Returned if there is an error allocating memory for the
structure to use for hashing
\return HMAC_MIN_KEYLEN_E May be returned when using a FIPS implementation
@ -15,7 +16,8 @@
\param hmac pointer to the Hmac object to initialize
\param type type specifying which encryption method the Hmac object
should use. Valid options are: MD5, SHA, SHA256, SHA384, SHA512, BLAKE2B_ID
should use. Valid options are: MD5, SHA, SHA256, SHA384, SHA512, SHA3-224,
SHA3-256, SHA3-384, SHA3-512
\param key pointer to a buffer containing the key with which to
initialize the Hmac object
\param length length of the key
@ -131,14 +133,15 @@ WOLFSSL_API int wolfSSL_GetHmacMaxSize(void);
\return 0 Returned upon successfully generating a key with the given inputs
\return BAD_FUNC_ARG Returned if an invalid hash type is given as
argument. Valid types are: MD5, SHA, SHA256, SHA384, SHA512, BLAKE2B_ID
argument. Valid types are: MD5, SHA, SHA256, SHA384, SHA512, SHA3-224,
SHA3-256, SHA3-384, SHA3-512
\return MEMORY_E Returned if there is an error allocating memory
\return HMAC_MIN_KEYLEN_E May be returned when using a FIPS implementation
and the key length specified is shorter than the minimum acceptable FIPS
standard
\param type hash type to use for the HKDF. Valid types are: MD5, SHA,
SHA256, SHA384, SHA512, BLAKE2B_ID
SHA256, SHA384, SHA512, SHA3-224, SHA3-256, SHA3-384, SHA3-512
\param inKey pointer to the buffer containing the key to use for KDF
\param inKeySz length of the input key
\param salt pointer to a buffer containing an optional salt. Use NULL

78
wolfcrypt/src/hmac.c
View File

@ -65,8 +65,7 @@
{
if (hmac == NULL || (key == NULL && keySz != 0) ||
!(type == WC_MD5 || type == WC_SHA || type == WC_SHA256 ||
type == WC_SHA384 || type == WC_SHA512 ||
type == BLAKE2B_ID)) {
type == WC_SHA384 || type == WC_SHA512)) {
return BAD_FUNC_ARG;
}
@ -131,8 +130,7 @@ int wc_HmacSizeByType(int type)
type == WC_SHA224 || type == WC_SHA256 ||
type == WC_SHA384 || type == WC_SHA512 ||
type == WC_SHA3_224 || type == WC_SHA3_256 ||
type == WC_SHA3_384 || type == WC_SHA3_512 ||
type == BLAKE2B_ID)) {
type == WC_SHA3_384 || type == WC_SHA3_512)) {
return BAD_FUNC_ARG;
}
@ -172,12 +170,6 @@ int wc_HmacSizeByType(int type)
break;
#endif /* WOLFSSL_SHA512 */
#ifdef HAVE_BLAKE2
case BLAKE2B_ID:
ret = BLAKE2B_OUTBYTES;
break;
#endif /* HAVE_BLAKE2 */
#ifdef WOLFSSL_SHA3
case WC_SHA3_224:
ret = WC_SHA3_224_DIGEST_SIZE;
@ -245,12 +237,6 @@ int _InitHmac(Hmac* hmac, int type, void* heap)
break;
#endif /* WOLFSSL_SHA512 */
#ifdef HAVE_BLAKE2
case BLAKE2B_ID:
ret = wc_InitBlake2b(&hmac->hash.blake2b, BLAKE2B_256);
break;
#endif /* HAVE_BLAKE2 */
#ifdef WOLFSSL_SHA3
#ifndef WOLFSSL_NOSHA3_224
case WC_SHA3_224:
@ -303,8 +289,7 @@ int wc_HmacSetKey(Hmac* hmac, int type, const byte* key, word32 length)
type == WC_SHA224 || type == WC_SHA256 ||
type == WC_SHA384 || type == WC_SHA512 ||
type == WC_SHA3_224 || type == WC_SHA3_256 ||
type == WC_SHA3_384 || type == WC_SHA3_512 ||
type == BLAKE2B_ID)) {
type == WC_SHA3_384 || type == WC_SHA3_512)) {
return BAD_FUNC_ARG;
}
@ -457,27 +442,6 @@ int wc_HmacSetKey(Hmac* hmac, int type, const byte* key, word32 length)
break;
#endif /* WOLFSSL_SHA512 */
#ifdef HAVE_BLAKE2
case BLAKE2B_ID:
hmac_block_size = BLAKE2B_BLOCKBYTES;
if (length <= BLAKE2B_BLOCKBYTES) {
if (key != NULL) {
XMEMCPY(ip, key, length);
}
}
else {
ret = wc_Blake2bUpdate(&hmac->hash.blake2b, key, length);
if (ret != 0)
break;
ret = wc_Blake2bFinal(&hmac->hash.blake2b, ip, BLAKE2B_256);
if (ret != 0)
break;
length = BLAKE2B_256;
}
break;
#endif /* HAVE_BLAKE2 */
#ifdef WOLFSSL_SHA3
#ifndef WOLFSSL_NOSHA3_224
case WC_SHA3_224:
@ -643,13 +607,6 @@ static int HmacKeyInnerHash(Hmac* hmac)
break;
#endif /* WOLFSSL_SHA512 */
#ifdef HAVE_BLAKE2
case BLAKE2B_ID:
ret = wc_Blake2bUpdate(&hmac->hash.blake2b, (byte*)hmac->ipad,
BLAKE2B_BLOCKBYTES);
break;
#endif /* HAVE_BLAKE2 */
#ifdef WOLFSSL_SHA3
#ifndef WOLFSSL_NOSHA3_224
case WC_SHA3_224:
@ -760,12 +717,6 @@ int wc_HmacUpdate(Hmac* hmac, const byte* msg, word32 length)
break;
#endif /* WOLFSSL_SHA512 */
#ifdef HAVE_BLAKE2
case BLAKE2B_ID:
ret = wc_Blake2bUpdate(&hmac->hash.blake2b, msg, length);
break;
#endif /* HAVE_BLAKE2 */
#ifdef WOLFSSL_SHA3
#ifndef WOLFSSL_NOSHA3_224
case WC_SHA3_224:
@ -939,24 +890,6 @@ int wc_HmacFinal(Hmac* hmac, byte* hash)
break;
#endif /* WOLFSSL_SHA512 */
#ifdef HAVE_BLAKE2
case BLAKE2B_ID:
ret = wc_Blake2bFinal(&hmac->hash.blake2b, (byte*)hmac->innerHash,
BLAKE2B_256);
if (ret != 0)
break;
ret = wc_Blake2bUpdate(&hmac->hash.blake2b, (byte*)hmac->opad,
BLAKE2B_BLOCKBYTES);
if (ret != 0)
break;
ret = wc_Blake2bUpdate(&hmac->hash.blake2b, (byte*)hmac->innerHash,
BLAKE2B_256);
if (ret != 0)
break;
ret = wc_Blake2bFinal(&hmac->hash.blake2b, hash, BLAKE2B_256);
break;
#endif /* HAVE_BLAKE2 */
#ifdef WOLFSSL_SHA3
#ifndef WOLFSSL_NOSHA3_224
case WC_SHA3_224:
@ -1136,11 +1069,6 @@ void wc_HmacFree(Hmac* hmac)
break;
#endif /* WOLFSSL_SHA512 */
#ifdef HAVE_BLAKE2
case BLAKE2B_ID:
break;
#endif /* HAVE_BLAKE2 */
#ifdef WOLFSSL_SHA3
#ifndef WOLFSSL_NOSHA3_224
case WC_SHA3_224:

97
wolfcrypt/test/test.c
View File

@ -289,7 +289,6 @@ int hmac_sha224_test(void);
int hmac_sha256_test(void);
int hmac_sha384_test(void);
int hmac_sha512_test(void);
int hmac_blake2b_test(void);
int hmac_sha3_test(void);
int hkdf_test(void);
int x963kdf_test(void);
@ -749,13 +748,6 @@ initDefaultName();
test_pass("HMAC-SHA512 test passed!\n");
#endif
#ifdef HAVE_BLAKE2
if ( (ret = hmac_blake2b_test()) != 0)
return err_sys("HMAC-BLAKE2 test failed!\n", ret);
else
test_pass("HMAC-BLAKE2 test passed!\n");
#endif
#if !defined(NO_HMAC) && defined(WOLFSSL_SHA3) && \
!defined(WOLFSSL_NOSHA3_224) && !defined(WOLFSSL_NOSHA3_256) && \
!defined(WOLFSSL_NOSHA3_384) && !defined(WOLFSSL_NOSHA3_512)
@ -3684,95 +3676,6 @@ int hmac_sha256_test(void)
#endif
#if !defined(NO_HMAC) && defined(HAVE_BLAKE2)
int hmac_blake2b_test(void)
{
Hmac hmac;
byte hash[BLAKE2B_256];
const char* keys[]=
{
"\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b"
"\x0b\x0b\x0b",
"Jefe",
"\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"
"\xAA\xAA\xAA"
};
testVector a, b, c;
testVector test_hmac[3];
int ret;
int times = sizeof(test_hmac) / sizeof(testVector), i;
a.input = "Hi There";
a.output = "\x72\x93\x0d\xdd\xf5\xf7\xe1\x78\x38\x07\x44\x18\x0b\x3f\x51"
"\x37\x25\xb5\x82\xc2\x08\x83\x2f\x1c\x99\xfd\x03\xa0\x16\x75"
"\xac\xfd";
a.inLen = XSTRLEN(a.input);
a.outLen = BLAKE2B_256;
b.input = "what do ya want for nothing?";
b.output = "\x3d\x20\x50\x71\x05\xc0\x8c\x0c\x38\x44\x1e\xf7\xf9\xd1\x67"
"\x21\xff\x64\xf5\x94\x00\xcf\xf9\x75\x41\xda\x88\x61\x9d\x7c"
"\xda\x2b";
b.inLen = XSTRLEN(b.input);
b.outLen = BLAKE2B_256;
c.input = "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
"\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
"\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
"\xDD\xDD\xDD\xDD\xDD\xDD";
c.output = "\xda\xfe\x2a\x24\xfc\xe7\xea\x36\x34\xbe\x41\x92\xc7\x11\xa7"
"\x00\xae\x53\x9c\x11\x9c\x80\x74\x55\x22\x25\x4a\xb9\x55\xd3"
"\x0f\x87";
c.inLen = XSTRLEN(c.input);
c.outLen = BLAKE2B_256;
test_hmac[0] = a;
test_hmac[1] = b;
test_hmac[2] = c;
for (i = 0; i < times; ++i) {
#if defined(HAVE_FIPS) || defined(HAVE_CAVIUM)
if (i == 1)
continue; /* cavium can't handle short keys, fips not allowed */
#endif
#if !defined(HAVE_CAVIUM_V)
/* Blake2 only supported on Cavium Nitrox III */
if (wc_HmacInit(&hmac, HEAP_HINT, devId) != 0)
return -3600;
#endif
ret = wc_HmacSetKey(&hmac, BLAKE2B_ID, (byte*)keys[i],
(word32)XSTRLEN(keys[i]));
if (ret != 0)
return -3601;
ret = wc_HmacUpdate(&hmac, (byte*)test_hmac[i].input,
(word32)test_hmac[i].inLen);
if (ret != 0)
return -3602;
ret = wc_HmacFinal(&hmac, hash);
if (ret != 0)
return -3603;
if (XMEMCMP(hash, test_hmac[i].output, BLAKE2B_256) != 0)
return -3604 - i;
wc_HmacFree(&hmac);
}
#ifndef HAVE_FIPS
if (wc_HmacSizeByType(BLAKE2B_ID) != BLAKE2B_OUTBYTES)
return -3614;
#endif
return 0;
}
#endif
#if !defined(NO_HMAC) && defined(WOLFSSL_SHA384)
int hmac_sha384_test(void)
{

15
wolfssl/wolfcrypt/hmac.h
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@ -84,12 +84,6 @@ enum {
#ifndef WOLFSSL_SHA384
WC_SHA384 = WC_HASH_TYPE_SHA384,
#endif
#ifndef HAVE_BLAKE2B
BLAKE2B_ID = WC_HASH_TYPE_BLAKE2B,
#endif
#ifndef HAVE_BLAKE2S
BLAKE2S_ID = WC_HASH_TYPE_BLAKE2S,
#endif
#ifndef WOLFSSL_SHA224
WC_SHA224 = WC_HASH_TYPE_SHA224,
#endif
@ -107,9 +101,9 @@ enum {
/* Select the largest available hash for the buffer size. */
#define WC_HMAC_BLOCK_SIZE WC_MAX_BLOCK_SIZE
#if !defined(WOLFSSL_SHA3) && !defined(WOLFSSL_SHA512) && !defined(HAVE_BLAKE2) && \
!defined(WOLFSSL_SHA384) && defined(NO_SHA256) && defined(WOLFSSL_SHA224) && \
defined(NO_SHA) && defined(NO_MD5)
#if !defined(WOLFSSL_SHA3) && !defined(WOLFSSL_SHA512) && \
!defined(WOLFSSL_SHA384) && defined(NO_SHA256) && \
defined(WOLFSSL_SHA224) && defined(NO_SHA) && defined(NO_MD5)
#error "You have to have some kind of hash if you want to use HMAC."
#endif
@ -134,9 +128,6 @@ typedef union {
#ifdef WOLFSSL_SHA512
wc_Sha512 sha512;
#endif
#ifdef HAVE_BLAKE2
Blake2b blake2b;
#endif
#ifdef WOLFSSL_SHA3
wc_Sha3 sha3;
#endif