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simplify, make sure length is set properly

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This commit is contained in:
Love Hornquist Astrand
2009-09-19 12:57:30 -07:00
parent 26aefa1853
commit e538b1e84b
1 changed files with 6 additions and 21 deletions
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27
lib/hx509/crypto.c
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@@ -558,6 +558,7 @@ rsa_verify_signature(hx509_context context,
spi = &signer->tbsCertificate.subjectPublicKeyInfo;
p = spi->subjectPublicKey.data;
size = spi->subjectPublicKey.length / 8;
rsa = d2i_RSAPublicKey(NULL, &p, size);
if (rsa == NULL) {
@@ -1577,39 +1578,23 @@ _hx509_public_encrypt(hx509_context context,
int tosize;
int ret;
RSA *rsa;
RSAPublicKey pk;
size_t size;
const unsigned char *p;
ciphertext->data = NULL;
ciphertext->length = 0;
spi = &cert->tbsCertificate.subjectPublicKeyInfo;
rsa = RSA_new();
p = spi->subjectPublicKey.data;
size = spi->subjectPublicKey.length / 8;
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) {
RSA_free(rsa);
hx509_set_error_string(context, 0, ret, "RSAPublicKey decode failure");
return ret;
}
rsa->n = heim_int2BN(&pk.modulus);
rsa->e = heim_int2BN(&pk.publicExponent);
free_RSAPublicKey(&pk);
if (rsa->n == NULL || rsa->e == NULL) {
RSA_free(rsa);
hx509_set_error_string(context, 0, ENOMEM, "out of memory");
return ENOMEM;
}
tosize = RSA_size(rsa);
to = malloc(tosize);
if (to == NULL) {