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-rw-r--r--libressl/include/openssl/chacha.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/libressl/include/openssl/chacha.h b/libressl/include/openssl/chacha.h
new file mode 100644
index 00000000..8d94e626
--- /dev/null
+++ b/libressl/include/openssl/chacha.h
@@ -0,0 +1,54 @@
+/* $OpenBSD: chacha.h,v 1.7 2015/12/09 14:07:55 bcook Exp $ */
+/*
+ * Copyright (c) 2014 Joel Sing <jsing@openbsd.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 HEADER_CHACHA_H
+#define HEADER_CHACHA_H
+
+#include <openssl/opensslconf.h>
+
+#if defined(OPENSSL_NO_CHACHA)
+#error ChaCha is disabled.
+#endif
+
+#include <stddef.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+ unsigned int input[16];
+ unsigned char ks[64];
+ unsigned char unused;
+} ChaCha_ctx;
+
+void ChaCha_set_key(ChaCha_ctx *ctx, const unsigned char *key,
+ unsigned int keybits);
+void ChaCha_set_iv(ChaCha_ctx *ctx, const unsigned char *iv,
+ const unsigned char *counter);
+void ChaCha(ChaCha_ctx *ctx, unsigned char *out, const unsigned char *in,
+ size_t len);
+
+void CRYPTO_chacha_20(unsigned char *out, const unsigned char *in, size_t len,
+ const unsigned char key[32], const unsigned char iv[8], uint64_t counter);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HEADER_CHACHA_H */