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Contents of /trunk/ttssh2/ttxssh/chacha.h
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Revision 7040 -
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Wed Feb 21 03:01:34 2018 UTC
(6 years ago)
by doda
File MIME type: text/x-chdr
File size: 810 byte(s)
ChaCha20 の実装を変更
旧: openbsd-compat/chacha_private.h
新: chacha.c, chacha.h
どちらも OpenSSH 由来
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/* Imported via OpenSSH-7.6p1, TeraTerm Project doda */ |
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/* $OpenBSD: chacha.h,v 1.4 2016/08/27 04:04:56 guenther Exp $ */ |
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/* |
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chacha-merged.c version 20080118 |
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D. J. Bernstein |
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Public domain. |
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*/ |
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#ifndef CHACHA_H |
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#define CHACHA_H |
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#include <sys/types.h> |
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#include <stdlib.h> |
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typedef unsigned int u_int; |
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typedef unsigned char u_char; |
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struct chacha_ctx { |
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u_int input[16]; |
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}; |
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#define CHACHA_MINKEYLEN 16 |
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#define CHACHA_NONCELEN 8 |
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#define CHACHA_CTRLEN 8 |
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#define CHACHA_STATELEN (CHACHA_NONCELEN+CHACHA_CTRLEN) |
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#define CHACHA_BLOCKLEN 64 |
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void chacha_keysetup(struct chacha_ctx *x, const u_char *k, u_int kbits); |
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void chacha_ivsetup(struct chacha_ctx *x, const u_char *iv, const u_char *ctr); |
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void chacha_encrypt_bytes(struct chacha_ctx *x, const u_char *m, u_char *c, u_int bytes); |
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#endif /* CHACHA_H */ |
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