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[crypto] Parse OCSPSigning key purpose, if present 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/6/head
Michael Brown 2012-05-14 14:09:52 +01:00
parent 4aad46ac70
commit e01af7367d
3 changed files with 16 additions and 0 deletions
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8
src/crypto/x509.c
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@ -518,6 +518,9 @@ static int x509_parse_key_usage ( struct x509_certificate *cert,
/** "id-kp-codeSigning" object identifier */
static uint8_t oid_code_signing[] = { ASN1_OID_CODESIGNING };
/** "id-kp-OCSPSigning" object identifier */
static uint8_t oid_ocsp_signing[] = { ASN1_OID_OCSPSIGNING };
/** Supported key purposes */
static struct x509_key_purpose x509_key_purposes[] = {
{
@ -525,6 +528,11 @@ static struct x509_key_purpose x509_key_purposes[] = {
.bits = X509_CODE_SIGNING,
.oid = ASN1_OID_CURSOR ( oid_code_signing ),
},
{
.name = "ocspSigning",
.bits = X509_OCSP_SIGNING,
.oid = ASN1_OID_CURSOR ( oid_ocsp_signing ),
},
};
/**

7
src/include/ipxe/asn1.h
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@ -176,6 +176,13 @@ struct asn1_cursor {
ASN1_OID_SINGLE ( 5 ), ASN1_OID_SINGLE ( 7 ), \
ASN1_OID_SINGLE ( 48 ), ASN1_OID_SINGLE ( 1 )
/** ASN.1 OID for id-kp-OCSPSigning (1.3.6.1.5.5.7.3.9) */
#define ASN1_OID_OCSPSIGNING \
ASN1_OID_INITIAL ( 1, 3 ), ASN1_OID_SINGLE ( 6 ), \
ASN1_OID_SINGLE ( 1 ), ASN1_OID_SINGLE ( 5 ), \
ASN1_OID_SINGLE ( 5 ), ASN1_OID_SINGLE ( 7 ), \
ASN1_OID_SINGLE ( 3 ), ASN1_OID_SINGLE ( 9 )
/** Define an ASN.1 cursor containing an OID */
#define ASN1_OID_CURSOR( oid_value ) { \
.data = oid_value, \

1
src/include/ipxe/x509.h
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@ -119,6 +119,7 @@ struct x509_extended_key_usage {
*/
enum x509_extended_key_usage_bits {
X509_CODE_SIGNING = 0x0001,
X509_OCSP_SIGNING = 0x0002,
};
/** X.509 certificate OCSP responder */