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TOMOYO Linux Cross Reference
Linux/include/crypto/chacha20.h

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  1 /*
  2  * Common values for the ChaCha20 algorithm
  3  */
  4 
  5 #ifndef _CRYPTO_CHACHA20_H
  6 #define _CRYPTO_CHACHA20_H
  7 
  8 #include <crypto/skcipher.h>
  9 #include <linux/types.h>
 10 #include <linux/crypto.h>
 11 
 12 #define CHACHA20_IV_SIZE        16
 13 #define CHACHA20_KEY_SIZE       32
 14 #define CHACHA20_BLOCK_SIZE     64
 15 
 16 struct chacha20_ctx {
 17         u32 key[8];
 18 };
 19 
 20 void chacha20_block(u32 *state, void *stream);
 21 void crypto_chacha20_init(u32 *state, struct chacha20_ctx *ctx, u8 *iv);
 22 int crypto_chacha20_setkey(struct crypto_skcipher *tfm, const u8 *key,
 23                            unsigned int keysize);
 24 int crypto_chacha20_crypt(struct skcipher_request *req);
 25 
 26 #endif
 27 

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