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Merge pull request #8082 from SparkiDev/bn_bin2bn_fix

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BN API: fix BN_bin2bn to handle NULL data properly
This commit is contained in:
philljj
2024-10-16 12:00:41 -04:00
committed by GitHub
parent db6a2ccdca 64a9e6f7c4
commit 2abbab2fd8
2 changed files with 8 additions and 1 deletions
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4
src/ssl_bn.c
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@ -516,12 +516,14 @@ WOLFSSL_BIGNUM* wolfSSL_BN_bin2bn(const unsigned char* data, int len,
ret = NULL;
}
else {
/* Don't free bn as we may be returning it. */
/* Don't free bn as we are returning it. */
bn = NULL;
}
}
else if (data == NULL) {
wolfSSL_BN_zero(ret);
/* Don't free bn as we are returning it. */
bn = NULL;
}
}

5
tests/api.c
View File

@ -61624,6 +61624,11 @@ static int test_wolfSSL_BN_enc_dec(void)
ExpectNull(BN_bn2dec(NULL));
ExpectNull(BN_bn2dec(&emptyBN));
ExpectNotNull(c = BN_bin2bn(NULL, 0, NULL));
BN_clear(c);
BN_free(c);
c = NULL;
ExpectNotNull(BN_bin2bn(NULL, sizeof(binNum), a));
BN_free(a);
a = NULL;