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define and use d2i_RSAPublicKey

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This commit is contained in:
Love Hornquist Astrand
2009-08-21 18:57:09 -07:00
parent 72e306c7e3
commit 9f5d22b98a
3 changed files with 46 additions and 20 deletions
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29
lib/hx509/crypto.c
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@@ -550,32 +550,17 @@ rsa_verify_signature(hx509_context context,
int tosize, retsize;
int ret;
RSA *rsa;
RSAPublicKey pk;
size_t size;
const unsigned char *p;
memset(&di, 0, sizeof(di));
spi = &signer->tbsCertificate.subjectPublicKeyInfo;
rsa = RSA_new();
p = spi->subjectPublicKey.data;
rsa = d2i_RSAPublicKey(NULL, &p, size);
if (rsa == NULL) {
hx509_set_error_string(context, 0, ENOMEM, "out of memory");
return ENOMEM;
}
ret = decode_RSAPublicKey(spi->subjectPublicKey.data,
spi->subjectPublicKey.length / 8,
&pk, &size);
if (ret) {
hx509_set_error_string(context, 0, ret, "Failed to decode RSAPublicKey");
goto out;
}
rsa->n = heim_int2BN(&pk.modulus);
rsa->e = heim_int2BN(&pk.publicExponent);
free_RSAPublicKey(&pk);
if (rsa->n == NULL || rsa->e == NULL) {
ret = ENOMEM;
hx509_set_error_string(context, 0, ret, "out of memory");
goto out;
@@ -650,6 +635,7 @@ rsa_verify_signature(hx509_context context,
}
free(to);
}
ret = 0;
out:
free_DigestInfo(&di);
@@ -1501,7 +1487,10 @@ _hx509_verify_signature(hx509_context context,
const heim_octet_string *sig)
{
const struct signature_alg *md;
const Certificate *signer = _hx509_get_cert(cert);
const Certificate *signer = NULL;
if (cert)
signer = _hx509_get_cert(cert);
md = find_sig_alg(&alg->algorithm);
if (md == NULL) {