examples/aes-gcm.h

   1 #ifndef AES_H
   2 # define AES_H
   3
   4 #include <stdint.h>
   5
   6 struct cryptodev_ctx {
   7         int cfd;
   8         struct session_op sess;
   9         uint16_t alignmask;
  10 };
  11
  12 #define AES_BLOCK_SIZE  16
  13
  14 int aes_gcm_ctx_init(struct cryptodev_ctx* ctx, int cfd, const uint8_t *key, unsigned int key_size);
  15 void aes_gcm_ctx_deinit();
  16
  17 /* Note that encryption assumes that ciphertext has enough size
  18  * for the tag to be appended. In decryption the tag is assumed
  19  * to be the last bytes of ciphertext.
  20  */
  21 int aes_gcm_encrypt(struct cryptodev_ctx* ctx, const void* iv,
  22         const void* auth, size_t auth_size,
  23         const void* plaintext, void* ciphertext, size_t size);
  24 int aes_gcm_decrypt(struct cryptodev_ctx* ctx, const void* iv,
  25         const void* auth, size_t auth_size,
  26         const void* ciphertext, void* plaintext, size_t size);
  27
  28 #endif