58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
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#ifndef crypto_stream_salsa20_H
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#define crypto_stream_salsa20_H
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/*
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* WARNING: This is just a stream cipher. It is NOT authenticated encryption.
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* While it provides some protection against eavesdropping, it does NOT
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* provide any security against active attacks.
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* Unless you know what you're doing, what you are looking for is probably
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* the crypto_box functions.
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*/
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#include <stddef.h>
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#include <stdint.h>
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#include "export.h"
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#ifdef __cplusplus
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# ifdef __GNUC__
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# pragma GCC diagnostic ignored "-Wlong-long"
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# endif
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extern "C" {
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#endif
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#define crypto_stream_salsa20_KEYBYTES 32U
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SODIUM_EXPORT
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size_t crypto_stream_salsa20_keybytes(void);
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#define crypto_stream_salsa20_NONCEBYTES 8U
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SODIUM_EXPORT
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size_t crypto_stream_salsa20_noncebytes(void);
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SODIUM_EXPORT
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int crypto_stream_salsa20(unsigned char *c, unsigned long long clen,
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const unsigned char *n, const unsigned char *k);
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SODIUM_EXPORT
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int crypto_stream_salsa20_xor(unsigned char *c, const unsigned char *m,
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unsigned long long mlen, const unsigned char *n,
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const unsigned char *k);
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SODIUM_EXPORT
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int crypto_stream_salsa20_xor_ic(unsigned char *c, const unsigned char *m,
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unsigned long long mlen,
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const unsigned char *n, uint64_t ic,
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const unsigned char *k);
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SODIUM_EXPORT
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void crypto_stream_salsa20_keygen(unsigned char k[crypto_stream_salsa20_KEYBYTES]);
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/* ------------------------------------------------------------------------- */
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int _crypto_stream_salsa20_pick_best_implementation(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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