summaryrefslogtreecommitdiffhomepage
path: root/src/crypto/include/zinc/chacha20poly1305.h
diff options
context:
space:
mode:
authorJason A. Donenfeld <Jason@zx2c4.com>2018-08-28 23:50:35 -0600
committerJason A. Donenfeld <Jason@zx2c4.com>2018-09-03 23:52:11 -0600
commit07dac52be6336be4a77a399fd7928802711fb77f (patch)
treece42d6b1924ad4a67145d6f43ab3b5fcfba2031f /src/crypto/include/zinc/chacha20poly1305.h
parent6a4e34f63be70ea96851e593172e0d3773086219 (diff)
crypto: import zinc
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'src/crypto/include/zinc/chacha20poly1305.h')
-rw-r--r--src/crypto/include/zinc/chacha20poly1305.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/crypto/include/zinc/chacha20poly1305.h b/src/crypto/include/zinc/chacha20poly1305.h
new file mode 100644
index 0000000..b607c76
--- /dev/null
+++ b/src/crypto/include/zinc/chacha20poly1305.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2015-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ */
+
+#ifndef _ZINC_CHACHA20POLY1305_H
+#define _ZINC_CHACHA20POLY1305_H
+
+#include <linux/simd.h>
+#include <linux/types.h>
+
+struct scatterlist;
+
+enum chacha20poly1305_lengths {
+ XCHACHA20POLY1305_NONCELEN = 24,
+ CHACHA20POLY1305_KEYLEN = 32,
+ CHACHA20POLY1305_AUTHTAGLEN = 16
+};
+
+void chacha20poly1305_encrypt(u8 *dst, const u8 *src, const size_t src_len,
+ const u8 *ad, const size_t ad_len,
+ const u64 nonce,
+ const u8 key[CHACHA20POLY1305_KEYLEN]);
+
+bool __must_check chacha20poly1305_encrypt_sg(
+ struct scatterlist *dst, struct scatterlist *src, const size_t src_len,
+ const u8 *ad, const size_t ad_len, const u64 nonce,
+ const u8 key[CHACHA20POLY1305_KEYLEN], simd_context_t simd_context);
+
+bool __must_check
+chacha20poly1305_decrypt(u8 *dst, const u8 *src, const size_t src_len,
+ const u8 *ad, const size_t ad_len, const u64 nonce,
+ const u8 key[CHACHA20POLY1305_KEYLEN]);
+
+bool __must_check chacha20poly1305_decrypt_sg(
+ struct scatterlist *dst, struct scatterlist *src, const size_t src_len,
+ const u8 *ad, const size_t ad_len, const u64 nonce,
+ const u8 key[CHACHA20POLY1305_KEYLEN], simd_context_t simd_context);
+
+void xchacha20poly1305_encrypt(u8 *dst, const u8 *src, const size_t src_len,
+ const u8 *ad, const size_t ad_len,
+ const u8 nonce[XCHACHA20POLY1305_NONCELEN],
+ const u8 key[CHACHA20POLY1305_KEYLEN]);
+
+bool __must_check xchacha20poly1305_decrypt(
+ u8 *dst, const u8 *src, const size_t src_len, const u8 *ad,
+ const size_t ad_len, const u8 nonce[XCHACHA20POLY1305_NONCELEN],
+ const u8 key[CHACHA20POLY1305_KEYLEN]);
+
+#ifdef DEBUG
+bool chacha20poly1305_selftest(void);
+#endif
+
+#endif /* _ZINC_CHACHA20POLY1305_H */