scrypt-1.2.1/libcperciva/crypto/crypto_aes_aesni.h

   1 #ifndef _CRYPTO_AES_AESNI_H_
   2 #define _CRYPTO_AES_AESNI_H_
   3
   4 #include <stddef.h>
   5 #include <stdint.h>
   6
   7 /**
   8  * crypto_aes_key_expand_aesni(key, len):
   9  * Expand the ${len}-byte AES key ${key} into a structure which can be passed
  10  * to crypto_aes_encrypt_block_aesni.  The length must be 16 or 32.  This
  11  * implementation uses x86 AESNI instructions, and should only be used if
  12  * CPUSUPPORT_X86_AESNI is defined and cpusupport_x86_aesni() returns nonzero.
  13  */
  14 void * crypto_aes_key_expand_aesni(const uint8_t *, size_t);
  15
  16 /**
  17  * crypto_aes_encrypt_block_aesni(in, out, key):
  18  * Using the expanded AES key ${key}, encrypt the block ${in} and write the
  19  * resulting ciphertext to ${out}.  This implementation uses x86 AESNI
  20  * instructions, and should only be used if CPUSUPPORT_X86_AESNI is defined
  21  * and cpusupport_x86_aesni() returns nonzero.
  22  */
  23 void crypto_aes_encrypt_block_aesni(const uint8_t *, uint8_t *, const void *);
  24
  25 /**
  26  * crypto_aes_key_free_aesni(key):
  27  * Free the expanded AES key ${key}.
  28  */
  29 void crypto_aes_key_free_aesni(void *);
  30
  31 #endif /* !_CRYPTO_AES_AESNI_H_ */