summaryrefslogtreecommitdiff
path: root/source4/lib/crypto/hmacmd5.c
diff options
context:
space:
mode:
Diffstat (limited to 'source4/lib/crypto/hmacmd5.c')
-rw-r--r--source4/lib/crypto/hmacmd5.c117
1 files changed, 0 insertions, 117 deletions
diff --git a/source4/lib/crypto/hmacmd5.c b/source4/lib/crypto/hmacmd5.c
deleted file mode 100644
index 3a9ec38a27..0000000000
--- a/source4/lib/crypto/hmacmd5.c
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
- HMAC MD5 code for use in NTLMv2
- Copyright (C) Luke Kenneth Casson Leighton 1996-2000
- Copyright (C) Andrew Tridgell 1992-2000
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/* taken direct from rfc2104 implementation and modified for suitable use
- * for ntlmv2.
- */
-
-#include "includes.h"
-#include "lib/crypto/crypto.h"
-
-/***********************************************************************
- the rfc 2104 version of hmac_md5 initialisation.
-***********************************************************************/
-_PUBLIC_ void hmac_md5_init_rfc2104(const uint8_t *key, int key_len, HMACMD5Context *ctx)
-{
- int i;
- uint8_t tk[16];
-
- /* if key is longer than 64 bytes reset it to key=MD5(key) */
- if (key_len > 64)
- {
- struct MD5Context tctx;
-
- MD5Init(&tctx);
- MD5Update(&tctx, key, key_len);
- MD5Final(tk, &tctx);
-
- key = tk;
- key_len = 16;
- }
-
- /* start out by storing key in pads */
- ZERO_STRUCT(ctx->k_ipad);
- ZERO_STRUCT(ctx->k_opad);
- memcpy( ctx->k_ipad, key, key_len);
- memcpy( ctx->k_opad, key, key_len);
-
- /* XOR key with ipad and opad values */
- for (i=0; i<64; i++)
- {
- ctx->k_ipad[i] ^= 0x36;
- ctx->k_opad[i] ^= 0x5c;
- }
-
- MD5Init(&ctx->ctx);
- MD5Update(&ctx->ctx, ctx->k_ipad, 64);
-}
-
-/***********************************************************************
- the microsoft version of hmac_md5 initialisation.
-***********************************************************************/
-_PUBLIC_ void hmac_md5_init_limK_to_64(const uint8_t *key, int key_len,
- HMACMD5Context *ctx)
-{
- /* if key is longer than 64 bytes truncate it */
- if (key_len > 64)
- {
- key_len = 64;
- }
-
- hmac_md5_init_rfc2104(key, key_len, ctx);
-}
-
-/***********************************************************************
- update hmac_md5 "inner" buffer
-***********************************************************************/
-_PUBLIC_ void hmac_md5_update(const uint8_t *text, int text_len, HMACMD5Context *ctx)
-{
- MD5Update(&ctx->ctx, text, text_len); /* then text of datagram */
-}
-
-/***********************************************************************
- finish off hmac_md5 "inner" buffer and generate outer one.
-***********************************************************************/
-_PUBLIC_ void hmac_md5_final(uint8_t *digest, HMACMD5Context *ctx)
-{
- struct MD5Context ctx_o;
-
- MD5Final(digest, &ctx->ctx);
-
- MD5Init(&ctx_o);
- MD5Update(&ctx_o, ctx->k_opad, 64);
- MD5Update(&ctx_o, digest, 16);
- MD5Final(digest, &ctx_o);
-}
-
-/***********************************************************
- single function to calculate an HMAC MD5 digest from data.
- use the microsoft hmacmd5 init method because the key is 16 bytes.
-************************************************************/
-_PUBLIC_ void hmac_md5(const uint8_t key[16], const uint8_t *data, int data_len, uint8_t *digest)
-{
- HMACMD5Context ctx;
- hmac_md5_init_limK_to_64(key, 16, &ctx);
- if (data_len != 0)
- {
- hmac_md5_update(data, data_len, &ctx);
- }
- hmac_md5_final(digest, &ctx);
-}