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check return of DSA decode

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This commit is contained in:
Jacob Barthelmeh
2021-07-03 03:41:40 +07:00
parent 197b959916
commit 89866846d6
1 changed files with 6 additions and 7 deletions
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9
wolfcrypt/src/port/caam/wolfcaam_ecdsa.c
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@@ -292,14 +292,13 @@ int wc_CAAM_EccVerify(const byte* sig, word32 siglen, const byte* hash,
int ret;
mp_int r, s;
mp_init(&r);
mp_init(&s);
DecodeECC_DSA_Sig(sig, siglen, &r, &s);
ret = DecodeECC_DSA_Sig(sig, siglen, &r, &s);
if (ret == 0) {
ret = wc_CAAM_EccVerify_ex(&r, &s, hash, hashlen, res, key);
mp_free(&r);
mp_free(&s);
}
return ret;
}