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add pk_oid_cmp_with_asn1()

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This commit is contained in:
Steffen Jaeckel 2018-07-09 07:25:09 +02:00
parent e318f6f1e3
commit 645460a5d5
2 changed files with 45 additions and 0 deletions
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2
src/headers/tomcrypt_private.h
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@ -303,6 +303,8 @@ 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_asn1(const char *o1, const ltc_asn1_list *o2);
#endif /* LTC_DER */
/* tomcrypt_pkcs.h */

43
src/pk/asn1/oid/pk_oid_asn1.c Normal file
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@ -0,0 +1,43 @@
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
*
* LibTomCrypt is a library that provides various cryptographic
* algorithms in a highly modular and flexible manner.
*
* The library is free for all purposes without any express
* guarantee it works.
*/
#include "tomcrypt_private.h"
#ifdef LTC_DER
/*
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)
{
unsigned long i;
char tmp[256] = { 0 };
int err;
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) {
return err;
}
if (XSTRCMP(o1, tmp) != 0) {
return CRYPT_PK_INVALID_TYPE;
}
return CRYPT_OK;
}
#endif
/* ref: $Format:%D$ */
/* git commit: $Format:%H$ */
/* commit time: $Format:%ai$ */