RFC 3161 compliant time stamp request creation, response generation

and response verification.

Submitted by: Zoltan Glozik <zglozik@opentsa.org>
Reviewed by: Ulf Moeller

1 files changed, 46 insertions, 0 deletions

diff --git a/crypto/asn1/a_type.c b/crypto/asn1/a_type.c
index a6acef16f3..c603741f39 100644
--- a/crypto/asn1/a_type.c
+++ b/crypto/asn1/a_type.c
@@ -82,3 +82,49 @@ void ASN1_TYPE_set(ASN1_TYPE *a, int type, void *value)
 
 IMPLEMENT_STACK_OF(ASN1_TYPE)
 IMPLEMENT_ASN1_SET_OF(ASN1_TYPE)
+
+/* Returns 0 if they are equal, != 0 otherwise. */
+int ASN1_TYPE_cmp(ASN1_TYPE *a, ASN1_TYPE *b)
+	{
+	int result = -1;
+
+	if (!a || !b || a->type != b->type) return -1;
+
+	switch (a->type)
+		{
+	case V_ASN1_OBJECT:
+		result = OBJ_cmp(a->value.object, b->value.object);
+		break;
+	case V_ASN1_NULL:
+		result = 0;	/* They do not have content. */
+		break;
+	case V_ASN1_INTEGER:
+	case V_ASN1_NEG_INTEGER:
+	case V_ASN1_ENUMERATED:
+	case V_ASN1_NEG_ENUMERATED:
+	case V_ASN1_BIT_STRING:
+	case V_ASN1_OCTET_STRING:
+	case V_ASN1_SEQUENCE:
+	case V_ASN1_SET:
+	case V_ASN1_NUMERICSTRING:
+	case V_ASN1_PRINTABLESTRING:
+	case V_ASN1_T61STRING:
+	case V_ASN1_VIDEOTEXSTRING:
+	case V_ASN1_IA5STRING:
+	case V_ASN1_UTCTIME:
+	case V_ASN1_GENERALIZEDTIME:
+	case V_ASN1_GRAPHICSTRING:
+	case V_ASN1_VISIBLESTRING:
+	case V_ASN1_GENERALSTRING:
+	case V_ASN1_UNIVERSALSTRING:
+	case V_ASN1_BMPSTRING:
+	case V_ASN1_UTF8STRING:
+	case V_ASN1_OTHER:
+	default:
+		result = ASN1_STRING_cmp((ASN1_STRING *) a->value.ptr,
+					 (ASN1_STRING *) b->value.ptr);
+		break;
+		}
+
+	return result;
+	}