2 * Common values for the ChaCha20 algorithm
5 #ifndef _CRYPTO_CHACHA20_H
6 #define _CRYPTO_CHACHA20_H
8 #include <crypto/skcipher.h>
9 #include <linux/types.h>
10 #include <linux/crypto.h>
12 #define CHACHA20_IV_SIZE 16
13 #define CHACHA20_KEY_SIZE 32
14 #define CHACHA20_BLOCK_SIZE 64
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);