This commit is contained in:
RogueMaster
2022-10-12 00:51:55 -04:00
parent ed2a57beda
commit 9a2ac1eeb5
7 changed files with 0 additions and 168 deletions

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@@ -1,64 +0,0 @@
#include <string.h>
#include "sha256.h"
#include "memxor.h"
#define IPAD 0x36
#define OPAD 0x5c
/* Concatenate two preprocessor tokens. */
#define _GLHMAC_CONCAT_(prefix, suffix) prefix##suffix
#define _GLHMAC_CONCAT(prefix, suffix) _GLHMAC_CONCAT_(prefix, suffix)
#if GL_HMAC_NAME == 5
#define HMAC_ALG md5
#else
#define HMAC_ALG _GLHMAC_CONCAT(sha, GL_HMAC_NAME)
#endif
#define GL_HMAC_CTX _GLHMAC_CONCAT(HMAC_ALG, _ctx)
#define GL_HMAC_FN _GLHMAC_CONCAT(hmac_, HMAC_ALG)
#define GL_HMAC_FN_INIT _GLHMAC_CONCAT(HMAC_ALG, _init_ctx)
#define GL_HMAC_FN_BLOC _GLHMAC_CONCAT(HMAC_ALG, _process_block)
#define GL_HMAC_FN_PROC _GLHMAC_CONCAT(HMAC_ALG, _process_bytes)
#define GL_HMAC_FN_FINI _GLHMAC_CONCAT(HMAC_ALG, _finish_ctx)
static void
hmac_hash(const void* key, size_t keylen, const void* in, size_t inlen, int pad, void* resbuf) {
struct GL_HMAC_CTX hmac_ctx;
char block[GL_HMAC_BLOCKSIZE];
memset(block, pad, sizeof block);
memxor(block, key, keylen);
GL_HMAC_FN_INIT(&hmac_ctx);
GL_HMAC_FN_BLOC(block, sizeof block, &hmac_ctx);
GL_HMAC_FN_PROC(in, inlen, &hmac_ctx);
GL_HMAC_FN_FINI(&hmac_ctx, resbuf);
}
int GL_HMAC_FN(const void* key, size_t keylen, const void* in, size_t inlen, void* resbuf) {
char optkeybuf[GL_HMAC_HASHSIZE];
char innerhash[GL_HMAC_HASHSIZE];
/* Ensure key size is <= block size. */
if(keylen > GL_HMAC_BLOCKSIZE) {
struct GL_HMAC_CTX keyhash;
GL_HMAC_FN_INIT(&keyhash);
GL_HMAC_FN_PROC(key, keylen, &keyhash);
GL_HMAC_FN_FINI(&keyhash, optkeybuf);
key = optkeybuf;
/* zero padding of the key to the block size
is implicit in the memxor. */
keylen = sizeof optkeybuf;
}
/* Compute INNERHASH from KEY and IN. */
hmac_hash(key, keylen, in, inlen, IPAD, innerhash);
/* Compute result from KEY and INNERHASH. */
hmac_hash(key, keylen, innerhash, sizeof innerhash, OPAD, resbuf);
return 0;
}

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/* hmac_sha1.c -- hashed message authentication codes
Copyright (C) 2018-2022 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include "hmac_sha1.h"
#include "sha1.h"
#define GL_HMAC_NAME 1
#define GL_HMAC_BLOCKSIZE 64
#define GL_HMAC_HASHSIZE 20
#include "hmac_common.h"

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@@ -1,11 +0,0 @@
#pragma once
#include <stddef.h>
#define HMAC_SHA1_RESULT_SIZE 20
/* Compute Hashed Message Authentication Code with SHA-1, over BUFFER
data of BUFLEN bytes using the KEY of KEYLEN bytes, writing the
output to pre-allocated 20 byte minimum RESBUF buffer. Return 0 on
success. */
int hmac_sha1(const void* key, size_t keylen, const void* in, size_t inlen, void* restrict resbuf);

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@@ -1,23 +0,0 @@
/* hmac_sha256.c -- hashed message authentication codes
Copyright (C) 2018-2022 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include "hmac_sha256.h"
#define GL_HMAC_NAME 256
#define GL_HMAC_BLOCKSIZE 64
#define GL_HMAC_HASHSIZE 32
#include "hmac_common.h"

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@@ -1,11 +0,0 @@
#pragma once
#include <stddef.h>
#define HMAC_SHA256_RESULT_SIZE 32
/* Compute Hashed Message Authentication Code with SHA-256, over BUFFER
data of BUFLEN bytes using the KEY of KEYLEN bytes, writing the
output to pre-allocated 32 byte minimum RESBUF buffer. Return 0 on
success. */
int hmac_sha256(const void* key, size_t keylen, const void* in, size_t inlen, void* restrict resbuf);

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/* hmac_sha512.c -- hashed message authentication codes
Copyright (C) 2018-2022 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include "hmac_sha512.h"
#include "sha512.h"
#define GL_HMAC_NAME 512
#define GL_HMAC_BLOCKSIZE 128
#define GL_HMAC_HASHSIZE 64
#include "hmac_common.h"

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@@ -1,11 +0,0 @@
#pragma once
#include <stddef.h>
#define HMAC_SHA512_RESULT_SIZE 64
/* Compute Hashed Message Authentication Code with SHA-512, over BUFFER
data of BUFLEN bytes using the KEY of KEYLEN bytes, writing the
output to pre-allocated 64 byte minimum RESBUF buffer. Return 0 on
success. */
int hmac_sha512(const void* key, size_t keylen, const void* in, size_t inlen, void* restrict resbuf);