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liboqs: add RNG support for dilithium

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Added a RNG argument to the wc_dilithium_sign_msg method to properly
generate necessary random data using the desired WolfSSL RNG object.

Signed-off-by: Tobias Frauenschläger <t.frauenschlaeger@me.com>
This commit is contained in:
Tobias Frauenschläger
2023-11-22 17:16:13 +01:00
parent 755c385b1f
commit ec86a86096
5 changed files with 12 additions and 5 deletions
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wolfcrypt/src/asn.c
+1 -1
View File
@@ -28906,7 +28906,7 @@ static int MakeSignature(CertSignCtx* certSignCtx, const byte* buf, word32 sz,
if (!rsaKey && !eccKey && !ed25519Key && !ed448Key && !falconKey &&
dilithiumKey) {
word32 outSz = sigSz;
ret = wc_dilithium_sign_msg(buf, sz, sig, &outSz, dilithiumKey);
ret = wc_dilithium_sign_msg(buf, sz, sig, &outSz, dilithiumKey, rng);
if (ret == 0)
ret = outSz;
}
wolfcrypt/src/dilithium.c
+7 -1
View File
@@ -59,7 +59,7 @@
*/
int wc_dilithium_sign_msg(const byte* in, word32 inLen,
byte* out, word32 *outLen,
dilithium_key* key)
dilithium_key* key, WC_RNG* rng)
{
int ret = 0;
#ifdef HAVE_LIBOQS
@@ -107,6 +107,10 @@ int wc_dilithium_sign_msg(const byte* in, word32 inLen,
localOutLen = *outLen;
}
if (ret == 0) {
ret = wolfSSL_liboqsRngMutexLock(rng);
}
if ((ret == 0) &&
(OQS_SIG_sign(oqssig, out, &localOutLen, in, inLen, key->k)
== OQS_ERROR)) {
@@ -117,6 +121,8 @@ int wc_dilithium_sign_msg(const byte* in, word32 inLen,
*outLen = (word32)localOutLen;
}
wolfSSL_liboqsRngMutexUnlock();
if (oqssig != NULL) {
OQS_SIG_free(oqssig);
}