diff options
Diffstat (limited to 'drivers/staging/rt2860/common/crypt_hmac.c')
-rw-r--r-- | drivers/staging/rt2860/common/crypt_hmac.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/drivers/staging/rt2860/common/crypt_hmac.c b/drivers/staging/rt2860/common/crypt_hmac.c deleted file mode 100644 index d7ab08ec1a41..000000000000 --- a/drivers/staging/rt2860/common/crypt_hmac.c +++ /dev/null @@ -1,187 +0,0 @@ -/* - ************************************************************************* - * Ralink Tech Inc. - * 5F., No.36, Taiyuan St., Jhubei City, - * Hsinchu County 302, - * Taiwan, R.O.C. - * - * (c) Copyright 2002-2007, Ralink Technology, Inc. - * - * 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 2 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, write to the * - * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - * * - *************************************************************************/ - -#include "../crypt_hmac.h" - -#ifdef HMAC_SHA1_SUPPORT -/* -======================================================================== -Routine Description: - HMAC using SHA1 hash function - -Arguments: - key Secret key - key_len The length of the key in bytes - message Message context - message_len The length of message in bytes - macLen Request the length of message authentication code - -Return Value: - mac Message authentication code - -Note: - None -======================================================================== -*/ -void HMAC_SHA1(IN const u8 Key[], - u32 KeyLen, - IN const u8 Message[], - u32 MessageLen, u8 MAC[], u32 MACLen) -{ - struct rt_sha1_ctx sha_ctx1; - struct rt_sha1_ctx sha_ctx2; - u8 K0[SHA1_BLOCK_SIZE]; - u8 Digest[SHA1_DIGEST_SIZE]; - u32 index; - - NdisZeroMemory(&sha_ctx1, sizeof(struct rt_sha1_ctx)); - NdisZeroMemory(&sha_ctx2, sizeof(struct rt_sha1_ctx)); - /* - * If the length of K = B(Block size): K0 = K. - * If the length of K > B: hash K to obtain an L byte string, - * then append (B-L) zeros to create a B-byte string K0 (i.e., K0 = H(K) || 00...00). - * If the length of K < B: append zeros to the end of K to create a B-byte string K0 - */ - NdisZeroMemory(K0, SHA1_BLOCK_SIZE); - if (KeyLen <= SHA1_BLOCK_SIZE) - NdisMoveMemory(K0, Key, KeyLen); - else - RT_SHA1(Key, KeyLen, K0); - /* End of if */ - - /* Exclusive-Or K0 with ipad */ - /* ipad: Inner pad; the byte x¡¦36¡¦ repeated B times. */ - for (index = 0; index < SHA1_BLOCK_SIZE; index++) - K0[index] ^= 0x36; - /* End of for */ - - RT_SHA1_Init(&sha_ctx1); - /* H(K0^ipad) */ - SHA1_Append(&sha_ctx1, K0, sizeof(K0)); - /* H((K0^ipad)||text) */ - SHA1_Append(&sha_ctx1, Message, MessageLen); - SHA1_End(&sha_ctx1, Digest); - - /* Exclusive-Or K0 with opad and remove ipad */ - /* opad: Outer pad; the byte x¡¦5c¡¦ repeated B times. */ - for (index = 0; index < SHA1_BLOCK_SIZE; index++) - K0[index] ^= 0x36 ^ 0x5c; - /* End of for */ - - RT_SHA1_Init(&sha_ctx2); - /* H(K0^opad) */ - SHA1_Append(&sha_ctx2, K0, sizeof(K0)); - /* H( (K0^opad) || H((K0^ipad)||text) ) */ - SHA1_Append(&sha_ctx2, Digest, SHA1_DIGEST_SIZE); - SHA1_End(&sha_ctx2, Digest); - - if (MACLen > SHA1_DIGEST_SIZE) - NdisMoveMemory(MAC, Digest, SHA1_DIGEST_SIZE); - else - NdisMoveMemory(MAC, Digest, MACLen); -} /* End of HMAC_SHA1 */ -#endif /* HMAC_SHA1_SUPPORT */ - -#ifdef HMAC_MD5_SUPPORT -/* -======================================================================== -Routine Description: - HMAC using MD5 hash function - -Arguments: - key Secret key - key_len The length of the key in bytes - message Message context - message_len The length of message in bytes - macLen Request the length of message authentication code - -Return Value: - mac Message authentication code - -Note: - None -======================================================================== -*/ -void HMAC_MD5(IN const u8 Key[], - u32 KeyLen, - IN const u8 Message[], - u32 MessageLen, u8 MAC[], u32 MACLen) -{ - struct rt_md5_ctx_struc md5_ctx1; - struct rt_md5_ctx_struc md5_ctx2; - u8 K0[MD5_BLOCK_SIZE]; - u8 Digest[MD5_DIGEST_SIZE]; - u32 index; - - NdisZeroMemory(&md5_ctx1, sizeof(struct rt_md5_ctx_struc)); - NdisZeroMemory(&md5_ctx2, sizeof(struct rt_md5_ctx_struc)); - /* - * If the length of K = B(Block size): K0 = K. - * If the length of K > B: hash K to obtain an L byte string, - * then append (B-L) zeros to create a B-byte string K0 (i.e., K0 = H(K) || 00...00). - * If the length of K < B: append zeros to the end of K to create a B-byte string K0 - */ - NdisZeroMemory(K0, MD5_BLOCK_SIZE); - if (KeyLen <= MD5_BLOCK_SIZE) { - NdisMoveMemory(K0, Key, KeyLen); - } else { - RT_MD5(Key, KeyLen, K0); - } - - /* Exclusive-Or K0 with ipad */ - /* ipad: Inner pad; the byte x¡¦36¡¦ repeated B times. */ - for (index = 0; index < MD5_BLOCK_SIZE; index++) - K0[index] ^= 0x36; - /* End of for */ - - MD5_Init(&md5_ctx1); - /* H(K0^ipad) */ - MD5_Append(&md5_ctx1, K0, sizeof(K0)); - /* H((K0^ipad)||text) */ - MD5_Append(&md5_ctx1, Message, MessageLen); - MD5_End(&md5_ctx1, Digest); - - /* Exclusive-Or K0 with opad and remove ipad */ - /* opad: Outer pad; the byte x¡¦5c¡¦ repeated B times. */ - for (index = 0; index < MD5_BLOCK_SIZE; index++) - K0[index] ^= 0x36 ^ 0x5c; - /* End of for */ - - MD5_Init(&md5_ctx2); - /* H(K0^opad) */ - MD5_Append(&md5_ctx2, K0, sizeof(K0)); - /* H( (K0^opad) || H((K0^ipad)||text) ) */ - MD5_Append(&md5_ctx2, Digest, MD5_DIGEST_SIZE); - MD5_End(&md5_ctx2, Digest); - - if (MACLen > MD5_DIGEST_SIZE) - NdisMoveMemory(MAC, Digest, MD5_DIGEST_SIZE); - else - NdisMoveMemory(MAC, Digest, MACLen); -} /* End of HMAC_SHA256 */ -#endif /* HMAC_MD5_SUPPORT */ - -/* End of crypt_hmac.c */ |