summaryrefslogtreecommitdiffstats
path: root/cipher-chachapoly.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:40:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:40:04 +0000
commit25505898530a333011f4fd5cbc841ad6b26c089c (patch)
tree333a33fdd60930bcccc3f177ed9467d535e9bac6 /cipher-chachapoly.h
parentInitial commit. (diff)
downloadopenssh-b503b34536f98116d1873eb2dc80dddf75554e63.tar.xz
openssh-b503b34536f98116d1873eb2dc80dddf75554e63.zip
Adding upstream version 1:9.2p1.upstream/1%9.2p1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'cipher-chachapoly.h')
-rw-r--r--cipher-chachapoly.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/cipher-chachapoly.h b/cipher-chachapoly.h
new file mode 100644
index 0000000..026d2de
--- /dev/null
+++ b/cipher-chachapoly.h
@@ -0,0 +1,40 @@
+/* $OpenBSD: cipher-chachapoly.h,v 1.5 2020/04/03 04:27:03 djm Exp $ */
+
+/*
+ * Copyright (c) Damien Miller 2013 <djm@mindrot.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef CHACHA_POLY_AEAD_H
+#define CHACHA_POLY_AEAD_H
+
+#include <sys/types.h>
+#include "chacha.h"
+#include "poly1305.h"
+
+#define CHACHA_KEYLEN 32 /* Only 256 bit keys used here */
+
+struct chachapoly_ctx;
+
+struct chachapoly_ctx *chachapoly_new(const u_char *key, u_int keylen)
+ __attribute__((__bounded__(__buffer__, 1, 2)));
+void chachapoly_free(struct chachapoly_ctx *cpctx);
+
+int chachapoly_crypt(struct chachapoly_ctx *cpctx, u_int seqnr,
+ u_char *dest, const u_char *src, u_int len, u_int aadlen, u_int authlen,
+ int do_encrypt);
+int chachapoly_get_length(struct chachapoly_ctx *cpctx,
+ u_int *plenp, u_int seqnr, const u_char *cp, u_int len)
+ __attribute__((__bounded__(__buffer__, 4, 5)));
+
+#endif /* CHACHA_POLY_AEAD_H */