diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
commit | 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch) | |
tree | e9891aa6c295060d065adffd610c4f49ecf884f3 /include/crypto/chacha20.h | |
parent | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff) |
Linux-libre 4.3.2-gnu
Diffstat (limited to 'include/crypto/chacha20.h')
-rw-r--r-- | include/crypto/chacha20.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/crypto/chacha20.h b/include/crypto/chacha20.h new file mode 100644 index 000000000..274bbaeee --- /dev/null +++ b/include/crypto/chacha20.h @@ -0,0 +1,25 @@ +/* + * Common values for the ChaCha20 algorithm + */ + +#ifndef _CRYPTO_CHACHA20_H +#define _CRYPTO_CHACHA20_H + +#include <linux/types.h> +#include <linux/crypto.h> + +#define CHACHA20_IV_SIZE 16 +#define CHACHA20_KEY_SIZE 32 +#define CHACHA20_BLOCK_SIZE 64 + +struct chacha20_ctx { + u32 key[8]; +}; + +void crypto_chacha20_init(u32 *state, struct chacha20_ctx *ctx, u8 *iv); +int crypto_chacha20_setkey(struct crypto_tfm *tfm, const u8 *key, + unsigned int keysize); +int crypto_chacha20_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, + struct scatterlist *src, unsigned int nbytes); + +#endif |