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41 lines
979 B
41 lines
979 B
6 years ago
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#ifndef crypto_scalarmult_curve25519_H
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#define crypto_scalarmult_curve25519_H
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#include <stddef.h>
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#include "export.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define crypto_scalarmult_curve25519_BYTES 32U
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SODIUM_EXPORT
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size_t crypto_scalarmult_curve25519_bytes(void);
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#define crypto_scalarmult_curve25519_SCALARBYTES 32U
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SODIUM_EXPORT
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size_t crypto_scalarmult_curve25519_scalarbytes(void);
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/*
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* NOTE: Do not use the result of this function directly.
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*
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* Hash the result with the public keys in order to compute a shared
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* secret key: H(q || client_pk || server_pk)
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*
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* Or unless this is not an option, use the crypto_kx() API instead.
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*/
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SODIUM_EXPORT
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int crypto_scalarmult_curve25519(unsigned char *q, const unsigned char *n,
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const unsigned char *p)
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__attribute__ ((warn_unused_result));
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SODIUM_EXPORT
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int crypto_scalarmult_curve25519_base(unsigned char *q, const unsigned char *n);
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#ifdef __cplusplus
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}
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#endif
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#endif
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