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- Added Olaf's ASN.1 wrapping magic 

git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@350 c6295689-39f2-0310-b995-f0e70906c6a9
This commit is contained in:
jey 2002-03-20 19:31:56 +00:00
parent ac3c33d26c
commit 7b6371dae1
1 changed files with 33 additions and 6 deletions
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39
src/pkcs11/framework-pkcs15.c
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@ -79,6 +79,7 @@ static int get_modulus(struct sc_pkcs15_pubkey_rsa *,
CK_ATTRIBUTE_PTR);
static int get_modulus_bits(struct sc_pkcs15_pubkey_rsa *,
CK_ATTRIBUTE_PTR);
static int asn1_sequence_wrapper(const u8 *, size_t, CK_ATTRIBUTE_PTR);
/* PKCS#15 Framework */
@ -526,13 +527,13 @@ CK_RV pkcs15_cert_get_attribute(struct sc_pkcs11_session *session,
memcpy(attr->pValue, cert->certificate->serial, cert->certificate->serial_len);
break;
case CKA_SUBJECT:
check_attribute_buffer(attr, cert->certificate->subject_len);
memcpy(attr->pValue, cert->certificate->subject, cert->certificate->subject_len);
break;
return asn1_sequence_wrapper(cert->certificate->subject,
cert->certificate->subject_len,
attr);
case CKA_ISSUER:
check_attribute_buffer(attr, cert->certificate->issuer_len);
memcpy(attr->pValue, cert->certificate->issuer, cert->certificate->issuer_len);
break;
return asn1_sequence_wrapper(cert->certificate->issuer,
cert->certificate->issuer_len,
attr);
default:
return CKR_ATTRIBUTE_TYPE_INVALID;
}
@ -970,3 +971,29 @@ get_public_exponent(struct sc_pkcs15_pubkey_rsa *key, CK_ATTRIBUTE_PTR attr)
memcpy(attr->pValue, exponent, n);
return CKR_OK;
}
static int
asn1_sequence_wrapper(const u8 *data, size_t len, CK_ATTRIBUTE_PTR attr)
{
u8 *dest;
unsigned int n;
check_attribute_buffer(attr, len + 1 + sizeof(len));
dest = attr->pValue;
*dest++ = 0x30; /* SEQUENCE tag */
if (len <= 127) {
*dest++ = len;
} else {
for (n = 4; (len & 0xFF000000) == 0; n--)
len <<= 8;
*dest++ = 0x80 + n;
while (n--) {
*dest++ = len >> 24;
len <<= 8;
}
}
memcpy(dest, data, len);
attr->ulValueLen = (dest - (u8 *) attr->pValue) + len;
return CKR_OK;
}