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4 * Copyright (c) 2021 The FreeBSD Foundation
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31 #ifndef __CRYPTO_CHACHA20_POLY1305_H__
32 #define __CRYPTO_CHACHA20_POLY1305_H__
34 #include <sys/types.h>
36 /* The Poly1305 tag is appended to the cipher text. */
38 void chacha20_poly1305_encrypt(uint8_t *dst, const uint8_t *src,
39 const size_t src_len, const uint8_t *aad, const size_t aad_len,
40 const uint8_t *nonce, const size_t nonce_len, const uint8_t *key);
42 bool chacha20_poly1305_decrypt(uint8_t *dst, const uint8_t *src,
43 const size_t src_len, const uint8_t *aad, const size_t aad_len,
44 const uint8_t *nonce, const size_t nonce_len, const uint8_t *key);
46 void xchacha20_poly1305_encrypt(uint8_t *dst, const uint8_t *src,
47 const size_t src_len, const uint8_t *aad, const size_t aad_len,
48 const uint8_t *nonce, const uint8_t *key);
50 bool xchacha20_poly1305_decrypt(uint8_t *dst, const uint8_t *src,
51 const size_t src_len, const uint8_t *aad, const size_t aad_len,
52 const uint8_t *nonce, const uint8_t *key);
54 #endif /* !__CRYPTO_CHACHA20_POLY1305_H__ */