Module: wine Branch: master Commit: b629b6defdba677c4da6c88d441e716d5d008e76 URL: http://source.winehq.org/git/wine.git/?a=commit;h=b629b6defdba677c4da6c88d44...
Author: Kai Blin kai.blin@gmail.com Date: Sat Oct 14 12:58:03 2006 +0200
secur32: Implement RFC2104 (HMAC) with MD5 for NTLMv2.
---
dlls/secur32/Makefile.in | 1 + dlls/secur32/hmac_md5.c | 77 ++++++++++++++++++++++++++++++++++++++++++++++ dlls/secur32/hmac_md5.h | 43 ++++++++++++++++++++++++++ 3 files changed, 121 insertions(+), 0 deletions(-)
diff --git a/dlls/secur32/Makefile.in b/dlls/secur32/Makefile.in index 2a17991..45043d3 100644 --- a/dlls/secur32/Makefile.in +++ b/dlls/secur32/Makefile.in @@ -10,6 +10,7 @@ DELAYIMPORTS = crypt32 C_SRCS = \ base64_codec.c \ dispatcher.c \ + hmac_md5.c \ negotiate.c \ ntlm.c \ schannel.c \ diff --git a/dlls/secur32/hmac_md5.c b/dlls/secur32/hmac_md5.c new file mode 100644 index 0000000..1b18659 --- /dev/null +++ b/dlls/secur32/hmac_md5.c @@ -0,0 +1,77 @@ +/* + * Copyright 2006 Kai Blin + * + * This library 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 library 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 library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA + * + * This file implements RFC 2104 (HMAC) for the MD5 provider. + * It is needed for NTLMv2 signing and sealing. + */ + +#include "hmac_md5.h" + +void HMACMD5Init(HMAC_MD5_CTX *ctx, unsigned char *key, unsigned int key_len) +{ + int i; + unsigned char inner_padding[64]; + unsigned char temp_key[16]; + + if(key_len > 64) + { + MD5_CTX temp_ctx; + + MD5Init(&temp_ctx); + MD5Update(&temp_ctx, key, key_len); + MD5Final(&temp_ctx); + memcpy(temp_key, temp_ctx.digest, 16); + + key = temp_key; + key_len = 16; + } + + memset(inner_padding, 0, 64); + memset(ctx->outer_padding, 0, 64); + memcpy(inner_padding, key, key_len); + memcpy(ctx->outer_padding, key, key_len); + + for(i = 0; i < 64; ++i) + { + inner_padding[i] ^= 0x36; + ctx->outer_padding[i] ^= 0x5c; + } + + MD5Init(&(ctx->ctx)); + MD5Update(&(ctx->ctx), inner_padding, 64); +} + +void HMACMD5Update(HMAC_MD5_CTX *ctx, unsigned char *data, unsigned int data_len) +{ + MD5Update(&(ctx->ctx), data, data_len); +} + +void HMACMD5Final(HMAC_MD5_CTX *ctx, unsigned char *digest) +{ + MD5_CTX outer_ctx; + unsigned char inner_digest[16]; + + MD5Final(&(ctx->ctx)); + memcpy(inner_digest, ctx->ctx.digest, 16); + + MD5Init(&outer_ctx); + MD5Update(&outer_ctx, ctx->outer_padding, 64); + MD5Update(&outer_ctx, inner_digest, 16); + MD5Final(&outer_ctx); + + memcpy(digest, outer_ctx.digest, 16); +} diff --git a/dlls/secur32/hmac_md5.h b/dlls/secur32/hmac_md5.h new file mode 100644 index 0000000..81e4dd6 --- /dev/null +++ b/dlls/secur32/hmac_md5.h @@ -0,0 +1,43 @@ +/* + * Copyright 2006 Kai Blin + * + * This library 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 library 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 library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA + * + * This file holds the declarations needed for HMAC-MD5. + */ + +#include <string.h> + +typedef struct +{ + unsigned int i[2]; + unsigned int buf[4]; + unsigned char in[64]; + unsigned char digest[16]; +} MD5_CTX; + +typedef struct +{ + MD5_CTX ctx; + unsigned char outer_padding[64]; +} HMAC_MD5_CTX; + +void MD5Init( MD5_CTX *ctx ); +void MD5Update( MD5_CTX *ctx, const unsigned char *buf, unsigned int len ); +void MD5Final( MD5_CTX *ctx ); + +void HMACMD5Init(HMAC_MD5_CTX *ctx, unsigned char *key, unsigned int key_len); +void HMACMD5Update(HMAC_MD5_CTX *ctx, unsigned char *data, unsigned int data_len); +void HMACMD5Final(HMAC_MD5_CTX *ctx, unsigned char *digest);