add pk_oid_cmp_with_ulong()

src/headers/tomcrypt_private.h

@@ -300,6 +300,7 @@ int x509_decode_subject_public_key_info(const unsigned char *in, unsigned long i
         unsigned int algorithm, void* public_key, unsigned long* public_key_len,
         ltc_asn1_type parameters_type, ltc_asn1_list* parameters, unsigned long *parameters_len);
 
+int pk_oid_cmp_with_ulong(const char *o1, const unsigned long *o2, unsigned long o2size);
 int pk_oid_cmp_with_asn1(const char *o1, const ltc_asn1_list *o2);
 
 #endif /* LTC_DER */

src/pk/asn1/oid/pk_oid_cmp.c

@@ -11,10 +11,10 @@
 #ifdef LTC_DER
 
 /*
-   Compare an OID string to an OID element decoded from ASN.1.
+   Compare an OID string to an array of `unsigned long`.
    @return CRYPT_OK if equal
 */
-int pk_oid_cmp_with_asn1(const char *o1, const ltc_asn1_list *o2)
+int pk_oid_cmp_with_ulong(const char *o1, const unsigned long *o2, unsigned long o2size)
 {
    unsigned long i;
    char tmp[256] = { 0 };
@@ -22,10 +22,8 @@ int pk_oid_cmp_with_asn1(const char *o1, const ltc_asn1_list *o2)
 
    if (o1 == NULL || o2 == NULL) return CRYPT_ERROR;
 
-   if (o2->type != LTC_ASN1_OBJECT_IDENTIFIER) return CRYPT_INVALID_ARG;
-
    i = sizeof(tmp);
-   if ((err = pk_oid_num_to_str(o2->data, o2->size, tmp, &i)) != CRYPT_OK) {
+   if ((err = pk_oid_num_to_str(o2, o2size, tmp, &i)) != CRYPT_OK) {
       return err;
    }
 
@@ -36,6 +34,19 @@ int pk_oid_cmp_with_asn1(const char *o1, const ltc_asn1_list *o2)
    return CRYPT_OK;
 }
 
+/*
+   Compare an OID string to an OID element decoded from ASN.1.
+   @return CRYPT_OK if equal
+*/
+int pk_oid_cmp_with_asn1(const char *o1, const ltc_asn1_list *o2)
+{
+   if (o1 == NULL || o2 == NULL) return CRYPT_ERROR;
+
+   if (o2->type != LTC_ASN1_OBJECT_IDENTIFIER) return CRYPT_INVALID_ARG;
+
+   return pk_oid_cmp_with_ulong(o1, o2->data, o2->size);
+}
+
 #endif
 
 /* ref:         $Format:%D$ */