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20 lines
697 B
C
20 lines
697 B
C
#ifndef CHACHA20POLY1305_H
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#define CHACHA20POLY1305_H
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#include <stdint.h>
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#include "ecrypt-sync.h"
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#include "poly1305-donna.h"
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typedef struct {
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ECRYPT_ctx chacha20;
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poly1305_context poly1305;
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} chacha20poly1305_ctx;
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void xchacha20poly1305_init(chacha20poly1305_ctx *ctx, uint8_t key[32], uint8_t nonce[24]);
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void chacha20poly1305_encrypt(chacha20poly1305_ctx *ctx, uint8_t *in, uint8_t *out, size_t n);
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void chacha20poly1305_decrypt(chacha20poly1305_ctx *ctx, uint8_t *in, uint8_t *out, size_t n);
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void chacha20poly1305_auth(chacha20poly1305_ctx *ctx, uint8_t *in, size_t n);
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void chacha20poly1305_finish(chacha20poly1305_ctx *ctx, uint8_t mac[16]);
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#endif // CHACHA20POLY1305_H
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