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WOLFSSL_ASYNC_CRYPT: in EccSharedSecret(), don't try to wolfSSL_AsyncInit() if there's no priv_key to supply an asyncDev; in RSA _ifc_pairwise_consistency_test(), disable async to force blocking crypto.

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This commit is contained in:
Daniel Pouzzner
2021-10-11 23:15:12 -05:00
parent 303aa312a8
commit e61d88657d
2 changed files with 16 additions and 3 deletions
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6
src/internal.c
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@ -4677,10 +4677,10 @@ int EccSharedSecret(WOLFSSL* ssl, ecc_key* priv_key, ecc_key* pub_key,
/* initialize event */
if (priv_key != NULL) {
asyncDev = &priv_key->asyncDev;
ret = wolfSSL_AsyncInit(ssl, asyncDev, WC_ASYNC_FLAG_CALL_AGAIN);
if (ret != 0)
return ret;
}
ret = wolfSSL_AsyncInit(ssl, asyncDev, WC_ASYNC_FLAG_CALL_AGAIN);
if (ret != 0)
return ret;
#endif
#ifdef HAVE_PK_CALLBACKS

13
wolfcrypt/src/rsa.c
View File

@ -616,6 +616,9 @@ static int _ifc_pairwise_consistency_test(RsaKey* key, WC_RNG* rng)
byte* plain;
int ret = 0;
word32 msgLen, plainLen, sigLen;
#ifdef WOLFSSL_ASYNC_CRYPT
word32 saved_async_marker;
#endif
msgLen = (word32)XSTRLEN(msg);
sigLen = wc_RsaEncryptSize(key);
@ -628,6 +631,12 @@ static int _ifc_pairwise_consistency_test(RsaKey* key, WC_RNG* rng)
XMEMSET(sig, 0, sigLen);
plain = sig;
#ifdef WOLFSSL_ASYNC_CRYPT
/* force blocking calculations. */
saved_async_marker = key->asyncDev.marker;
key->asyncDev.marker = WOLFSSL_ASYNC_MARKER_INVALID;
#endif
ret = wc_RsaSSL_Sign((const byte*)msg, msgLen, sig, sigLen, key, rng);
#ifdef WOLFSSL_ASYNC_CRYPT
if (ret == WC_PENDING_E) {
@ -655,6 +664,10 @@ static int _ifc_pairwise_consistency_test(RsaKey* key, WC_RNG* rng)
ForceZero(sig, sigLen);
XFREE(sig, NULL, DYNAMIC_TYPE_RSA);
#ifdef WOLFSSL_ASYNC_CRYPT
key->asyncDev.marker = saved_async_marker;
#endif
return ret;
}