mirror of
https://github.com/openssl/openssl.git
synced 2024-11-27 05:21:51 +08:00
c26f655fdd
This is a bogus, undocumented format that was intended for testing; I don't think anyone is using it. Reviewed-by: Richard Levitte <levitte@openssl.org>
72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
/*
|
|
* Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the OpenSSL license (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "internal/cryptlib.h"
|
|
#include <openssl/evp.h>
|
|
#include "internal/asn1_int.h"
|
|
|
|
/*
|
|
* HMAC "ASN1" method. This is just here to indicate the maximum HMAC output
|
|
* length and to free up an HMAC key.
|
|
*/
|
|
|
|
static int hmac_size(const EVP_PKEY *pkey)
|
|
{
|
|
return EVP_MAX_MD_SIZE;
|
|
}
|
|
|
|
static void hmac_key_free(EVP_PKEY *pkey)
|
|
{
|
|
ASN1_OCTET_STRING *os = EVP_PKEY_get0(pkey);
|
|
if (os) {
|
|
if (os->data)
|
|
OPENSSL_cleanse(os->data, os->length);
|
|
ASN1_OCTET_STRING_free(os);
|
|
}
|
|
}
|
|
|
|
static int hmac_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
|
|
{
|
|
switch (op) {
|
|
case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
|
|
*(int *)arg2 = NID_sha256;
|
|
return 1;
|
|
|
|
default:
|
|
return -2;
|
|
}
|
|
}
|
|
|
|
static int hmac_pkey_public_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
|
|
{
|
|
return ASN1_OCTET_STRING_cmp(EVP_PKEY_get0(a), EVP_PKEY_get0(b));
|
|
}
|
|
|
|
const EVP_PKEY_ASN1_METHOD hmac_asn1_meth = {
|
|
EVP_PKEY_HMAC,
|
|
EVP_PKEY_HMAC,
|
|
0,
|
|
|
|
"HMAC",
|
|
"OpenSSL HMAC method",
|
|
|
|
0, 0, hmac_pkey_public_cmp, 0,
|
|
|
|
0, 0, 0,
|
|
|
|
hmac_size,
|
|
0, 0,
|
|
0, 0, 0, 0, 0, 0, 0,
|
|
|
|
hmac_key_free,
|
|
hmac_pkey_ctrl,
|
|
0, 0
|
|
};
|