modules/crypto/aes/aes_ctr.h

   1 #ifndef AES_CTR_H
   2 #define AES_CTR_H
   3
   4
   5 typedef struct _aes_ctr_ctx
   6 {
   7   AES_KEY key;
   8   unsigned char counter[AES_BLOCK_SIZE];
   9   unsigned char ecount_buf[AES_BLOCK_SIZE];
  10   unsigned int num;
  11 } aes_ctr_ctx;
  12
  13 void AES_ctr128_inc(unsigned char *counter);
  14
  15 void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out,
  16                         const unsigned long length, const AES_KEY *key,
  17                         unsigned char counter[AES_BLOCK_SIZE],
  18                         unsigned char ecount_buf[AES_BLOCK_SIZE],
  19                         unsigned int *num) ;
  20
  21
  22 #endif