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adjust test case and add useful comments

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This commit is contained in:
Jacob Barthelmeh
2021-06-07 19:44:05 +07:00
parent c245c4a812
commit f97ca1c1ca
2 changed files with 5 additions and 0 deletions
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1
tests/api.c
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@@ -21045,6 +21045,7 @@ static int test_wc_ecc_signVerify_hash (void)
/* Init stack var */ /* Init stack var */
XMEMSET(sig, 0, siglen); XMEMSET(sig, 0, siglen);
XMEMSET(&key, 0, sizeof(key)); XMEMSET(&key, 0, sizeof(key));
XMEMSET(adjustedSig, 0, ECC_BUFSIZE+1);
/* Init structs. */ /* Init structs. */
ret = wc_InitRng(&rng); ret = wc_InitRng(&rng);

4
wolfcrypt/src/asn.c
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@@ -15965,6 +15965,8 @@ int DecodeECC_DSA_Sig_Bin(const byte* sig, word32 sigLen, byte* r, word32* rLen,
XMEMCPY(s, (byte*)sig + idx, len); XMEMCPY(s, (byte*)sig + idx, len);
#ifndef NO_STRICT_ECDSA_LEN #ifndef NO_STRICT_ECDSA_LEN
/* sanity check that the index has been advanced all the way to the end of
* the buffer */
if (idx + len != sigLen) { if (idx + len != sigLen) {
ret = ASN_ECC_KEY_E; ret = ASN_ECC_KEY_E;
} }
@@ -16006,6 +16008,8 @@ int DecodeECC_DSA_Sig(const byte* sig, word32 sigLen, mp_int* r, mp_int* s)
} }
#ifndef NO_STRICT_ECDSA_LEN #ifndef NO_STRICT_ECDSA_LEN
/* sanity check that the index has been advanced all the way to the end of
* the buffer */
if (idx != sigLen) { if (idx != sigLen) {
mp_clear(r); mp_clear(r);
mp_clear(s); mp_clear(s);