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-rw-r--r--src/crypto/poly1305.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/crypto/poly1305.h b/src/crypto/poly1305.h
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+++ b/src/crypto/poly1305.h
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+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2015-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ */
+
+#ifndef _WG_POLY1305_H
+#define _WG_POLY1305_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], bool have_simd);
+void poly1305_update(struct poly1305_ctx *ctx, const u8 *inp, size_t len, bool have_simd);
+void poly1305_finish(struct poly1305_ctx *ctx, u8 mac[POLY1305_MAC_SIZE], bool have_simd);
+
+#ifdef DEBUG
+bool poly1305_selftest(void);
+#endif
+
+#endif /* _WG_POLY1305_H */