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	syn update of linux version. for aes128cfb and hmac_sha1
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		@@ -6,6 +6,7 @@
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#include "aesarm.h"
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#include <stdint.h>
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#include <string.h>
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#include <assert.h>
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#if defined(AES256) && (AES256 == 1)
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#define AES_KEYSIZE 256
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@@ -342,10 +343,7 @@ void AES_CBC_encrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, co
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  uint8_t iv_tmp[16];
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  static uint8_t rk[AES_RKSIZE];
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  if (iv == NULL)
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  {
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    return;
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  }
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  assert(iv!=NULL);
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  aeshw_init();
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  memcpy(iv_tmp, iv, 16);
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  if(key!= NULL)
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@@ -358,10 +356,7 @@ void AES_CBC_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, co
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  uint8_t iv_tmp[16];
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  static uint8_t rk[AES_RKSIZE];
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  if (iv == NULL)
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  {
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    return;
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  }
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  assert(iv!=NULL);
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  aeshw_init();
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  memcpy(iv_tmp, iv, 16);
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  if(key!= NULL)
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@@ -371,6 +366,7 @@ void AES_CBC_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, co
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  decrypt_cbc(rk, length, iv_tmp, input, output);
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}
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/*
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void AES_ECB_encrypt(const uint8_t* input, const uint8_t* key, uint8_t* output, const uint32_t length)
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{
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  uint8_t rk[AES_RKSIZE];
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@@ -395,4 +391,79 @@ void AES_ECB_decrypt(const uint8_t* input, const uint8_t* key, uint8_t *output,
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  aeshw_init();
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  setkey_dec(rk, key);
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  decrypt_ecb(AES_NR, rk, input, output);
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}*/
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static void encrypt_cfb( uint8_t* rk,
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                         uint32_t length,size_t *iv_off,
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                         uint8_t iv[16],
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                         const uint8_t *input,
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                         uint8_t *output )
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{
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    int c;
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    size_t n = *iv_off;
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    while( length-- )
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    {
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        if( n == 0 )
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        	encrypt_ecb( AES_NR, rk, iv, iv );
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        iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
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        n = ( n + 1 ) & 0x0F;
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    }
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    *iv_off = n;
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}
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static void decrypt_cfb( uint8_t* rk,
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                         uint32_t length,size_t *iv_off,
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                         uint8_t iv[16],
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                         const uint8_t *input,
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                         uint8_t *output )
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{
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    int c;
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    size_t n = *iv_off;
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    while( length-- )
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    {
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        if( n == 0 )
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        	encrypt_ecb( AES_NR, rk, iv, iv );
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        c = *input++;
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        *output++ = (unsigned char)( c ^ iv[n] );
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        iv[n] = (unsigned char) c;
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        n = ( n + 1 ) & 0x0F;
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    }
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    *iv_off = n;
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}
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void AES_CFB_encrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv)
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{
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  uint8_t iv_tmp[16];
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  static uint8_t rk[AES_RKSIZE];
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  assert(iv!=NULL);
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  aeshw_init();
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  memcpy(iv_tmp, iv, 16);
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  if(key!= NULL)
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	  setkey_enc(rk, key);
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  size_t offset=0;
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  encrypt_cfb(rk, length,&offset, iv_tmp, input, output);
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}
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void AES_CFB_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv)
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{
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  uint8_t iv_tmp[16];
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  static uint8_t rk[AES_RKSIZE];
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  assert(iv!=NULL);
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  aeshw_init();
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  memcpy(iv_tmp, iv, 16);
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  if(key!= NULL)
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  {
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	  setkey_enc(rk, key);//its enc again,not typo
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  }
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  size_t offset=0;
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  decrypt_cfb(rk, length,&offset, iv_tmp, input, output);
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}
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