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pkcs11: Use create_object_attr_enumerator to encode RSA public key.

This commit is contained in:
Tobias Brunner 2011-11-02 18:38:52 +01:00
parent b0319fe860
commit dae19d448d
1 changed files with 7 additions and 17 deletions
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24
src/libstrongswan/plugins/pkcs11/pkcs11_public_key.c
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@ -178,35 +178,25 @@ METHOD(public_key_t, encrypt, bool,
static bool encode_rsa(private_pkcs11_public_key_t *this,
cred_encoding_type_t type, void *cache, chunk_t *encoding)
{
CK_RV rv;
enumerator_t *enumerator;
bool success = FALSE;
chunk_t n, e;
CK_ATTRIBUTE attr[] = {
{CKA_MODULUS, NULL, 0},
{CKA_PUBLIC_EXPONENT, NULL, 0},
};
rv = this->lib->f->C_GetAttributeValue(this->session, this->object,
attr, countof(attr));
if (rv != CKR_OK ||
attr[0].ulValueLen == 0 || attr[0].ulValueLen == -1 ||
attr[1].ulValueLen == 0 || attr[1].ulValueLen == -1)
{
return FALSE;
}
attr[0].pValue = malloc(attr[0].ulValueLen);
attr[1].pValue = malloc(attr[1].ulValueLen);
rv = this->lib->f->C_GetAttributeValue(this->session, this->object,
attr, countof(attr));
if (rv == CKR_OK)
enumerator = this->lib->create_object_attr_enumerator(this->lib,
this->session, this->object, attr, countof(attr));
if (enumerator && enumerator->enumerate(enumerator, NULL) &&
attr[0].ulValueLen > 0 && attr[1].ulValueLen > 0)
{
chunk_t n, e;
n = chunk_create(attr[0].pValue, attr[0].ulValueLen);
e = chunk_create(attr[1].pValue, attr[1].ulValueLen);
success = lib->encoding->encode(lib->encoding, type, cache, encoding,
CRED_PART_RSA_MODULUS, n, CRED_PART_RSA_PUB_EXP, e, CRED_PART_END);
}
free(attr[0].pValue);
free(attr[1].pValue);
DESTROY_IF(enumerator);
return success;
}