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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
commit4a0e319af86c0d38304535293f6fc32fe436ef1d (patch)
tree6fca1e89becf3ff1afdcec7b6bc725e256af5811 /src/crypto/include/zinc/poly1305.h
parentuapi: reformat (diff)
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crypto: import zinc
Diffstat (limited to 'src/crypto/include/zinc/poly1305.h')
-rw-r--r--src/crypto/include/zinc/poly1305.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/crypto/include/zinc/poly1305.h b/src/crypto/include/zinc/poly1305.h
new file mode 100644
index 0000000..5c9220f
--- /dev/null
+++ b/src/crypto/include/zinc/poly1305.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2015-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ */
+
+#ifndef _ZINC_POLY1305_H
+#define _ZINC_POLY1305_H
+
+#include <linux/simd.h>
+#include <linux/types.h>
+
+enum poly1305_lengths {
+ POLY1305_BLOCK_SIZE = 16,
+ POLY1305_KEY_SIZE = 32,
+ POLY1305_MAC_SIZE = 16
+};
+
+struct poly1305_ctx {
+ u8 opaque[24 * sizeof(u64)];
+ u32 nonce[4];
+ u8 data[POLY1305_BLOCK_SIZE];
+ size_t num;
+} __aligned(8);
+
+void poly1305_fpu_init(void);
+
+void poly1305_init(struct poly1305_ctx *ctx, const u8 key[POLY1305_KEY_SIZE],
+ simd_context_t simd_context);
+void poly1305_update(struct poly1305_ctx *ctx, const u8 *inp, const size_t len,
+ simd_context_t simd_context);
+void poly1305_finish(struct poly1305_ctx *ctx, u8 mac[POLY1305_MAC_SIZE],
+ simd_context_t simd_context);
+
+#ifdef DEBUG
+bool poly1305_selftest(void);
+#endif
+
+#endif /* _ZINC_POLY1305_H */