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[IoT-Safe] Add support sha384 + sha512

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This commit is contained in:
Daniele Lacamera
2024-01-26 10:20:03 +01:00
parent 578735e06c
commit 6dab75368d
1 changed files with 18 additions and 26 deletions
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44
wolfcrypt/src/port/iotsafe/iotsafe.c
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@@ -749,43 +749,37 @@ static int iotsafe_hkdf_extract(byte* prk, const byte* salt, word32 saltLen,
int ret;
char *resp;
uint16_t hash_algo = 0;
int len;
int hash_len;
uint16_t hash_algo_be = 0;
WOLFSSL_MSG("Enter iotsafe_hkdf_extract");
switch (digest) {
#ifndef NO_SHA256
switch (digest) {
#ifndef NO_SHA256
case WC_SHA256:
hash_algo = (uint16_t)1;
if (ikmLen == 0) {
len = WC_SHA256_DIGEST_SIZE;
}
hash_algo = (uint16_t)1;
hash_len = WC_SHA256_DIGEST_SIZE;
break;
#endif
#ifdef WOLFSSL_SHA384
#endif
#ifdef WOLFSSL_SHA384
case WC_SHA384:
hash_algo = (uint16_t)2;
if (ikmLen == 0) {
len = WC_SHA384_DIGEST_SIZE;
}
hash_algo = (uint16_t)2;
hash_len = WC_SHA384_DIGEST_SIZE;
break;
#endif
#ifdef WOLFSSL_TLS13_SHA512
#endif
#ifdef WOLFSSL_TLS13_SHA512
case WC_SHA512:
hash_algo = (uint16_t)4;
if (ikmLen == 0) {
len = WC_SHA512_DIGEST_SIZE;
}
hash_algo = (uint16_t)4;
hash_len = WC_SHA512_DIGEST_SIZE;
break;
#endif
#endif
default:
return BAD_FUNC_ARG;
break;
}
}
if (ikmLen == 0) {
ikmLen = len;
XMEMSET(ikm, 0, len);
ikmLen = hash_len;
XMEMSET(ikm, 0, hash_len);
}
#ifdef DEBUG_IOTSAFE
@@ -812,14 +806,12 @@ static int iotsafe_hkdf_extract(byte* prk, const byte* salt, word32 saltLen,
WOLFSSL_MSG("Unexpected reply from HKDF extract");
ret = WC_HW_E;
} else {
ret = hexbuffer_conv(resp, prk, 32);
ret = hexbuffer_conv(resp, prk, hash_len);
if (ret < 0)
ret = WC_HW_E;
else
ret = 0;
}
return ret;
}
#endif