diff options
Diffstat (limited to 'sys/crypto/chacha20/chacha.h')
-rw-r--r-- | sys/crypto/chacha20/chacha.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sys/crypto/chacha20/chacha.h b/sys/crypto/chacha20/chacha.h new file mode 100644 index 000000000000..02106eaa250d --- /dev/null +++ b/sys/crypto/chacha20/chacha.h @@ -0,0 +1,32 @@ +/* $OpenBSD: chacha.h,v 1.4 2016/08/27 04:04:56 guenther Exp $ */ + +/* +chacha-merged.c version 20080118 +D. J. Bernstein +Public domain. + + $FreeBSD$ +*/ + +#ifndef CHACHA_H +#define CHACHA_H + +#include <sys/types.h> + +struct chacha_ctx { + u_int input[16]; +}; + +#define CHACHA_MINKEYLEN 16 +#define CHACHA_NONCELEN 8 +#define CHACHA_CTRLEN 8 +#define CHACHA_STATELEN (CHACHA_NONCELEN+CHACHA_CTRLEN) +#define CHACHA_BLOCKLEN 64 + +void chacha_keysetup(struct chacha_ctx *x, const u_char *k, u_int kbits); +void chacha_ivsetup(struct chacha_ctx *x, const u_char *iv, const u_char *ctr); +void chacha_encrypt_bytes(struct chacha_ctx *x, const u_char *m, + u_char *c, u_int bytes); + +#endif /* CHACHA_H */ + |