70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
#ifndef crypto_secretbox_xsalsa20poly1305_H
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#define crypto_secretbox_xsalsa20poly1305_H
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#include <stddef.h>
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#include "crypto_stream_xsalsa20.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_secretbox_xsalsa20poly1305_KEYBYTES 32U
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SODIUM_EXPORT
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size_t crypto_secretbox_xsalsa20poly1305_keybytes(void);
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#define crypto_secretbox_xsalsa20poly1305_NONCEBYTES 24U
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SODIUM_EXPORT
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size_t crypto_secretbox_xsalsa20poly1305_noncebytes(void);
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#define crypto_secretbox_xsalsa20poly1305_MACBYTES 16U
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SODIUM_EXPORT
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size_t crypto_secretbox_xsalsa20poly1305_macbytes(void);
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/* Only for the libsodium API - The NaCl compatibility API would require BOXZEROBYTES extra bytes */
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#define crypto_secretbox_xsalsa20poly1305_MESSAGEBYTES_MAX \
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(crypto_stream_xsalsa20_MESSAGEBYTES_MAX - crypto_secretbox_xsalsa20poly1305_MACBYTES)
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SODIUM_EXPORT
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size_t crypto_secretbox_xsalsa20poly1305_messagebytes_max(void);
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SODIUM_EXPORT
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int crypto_secretbox_xsalsa20poly1305(unsigned char *c,
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const unsigned char *m,
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unsigned long long mlen,
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const unsigned char *n,
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const unsigned char *k)
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__attribute__ ((nonnull(1, 4, 5)));
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SODIUM_EXPORT
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int crypto_secretbox_xsalsa20poly1305_open(unsigned char *m,
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const unsigned char *c,
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unsigned long long clen,
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const unsigned char *n,
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const unsigned char *k)
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__attribute__ ((warn_unused_result)) __attribute__ ((nonnull(2, 4, 5)));
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SODIUM_EXPORT
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void crypto_secretbox_xsalsa20poly1305_keygen(unsigned char k[crypto_secretbox_xsalsa20poly1305_KEYBYTES])
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__attribute__ ((nonnull));
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/* -- NaCl compatibility interface ; Requires padding -- */
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#define crypto_secretbox_xsalsa20poly1305_BOXZEROBYTES 16U
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SODIUM_EXPORT
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size_t crypto_secretbox_xsalsa20poly1305_boxzerobytes(void);
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#define crypto_secretbox_xsalsa20poly1305_ZEROBYTES \
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(crypto_secretbox_xsalsa20poly1305_BOXZEROBYTES + \
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crypto_secretbox_xsalsa20poly1305_MACBYTES)
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SODIUM_EXPORT
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size_t crypto_secretbox_xsalsa20poly1305_zerobytes(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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