76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
#ifndef crypto_kdf_hkdf_sha512_H
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#define crypto_kdf_hkdf_sha512_H
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include "crypto_kdf.h"
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#include "crypto_auth_hmacsha512.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_kdf_hkdf_sha512_KEYBYTES crypto_auth_hmacsha512_BYTES
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SODIUM_EXPORT
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size_t crypto_kdf_hkdf_sha512_keybytes(void);
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#define crypto_kdf_hkdf_sha512_BYTES_MIN 0U
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SODIUM_EXPORT
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size_t crypto_kdf_hkdf_sha512_bytes_min(void);
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#define crypto_kdf_hkdf_sha512_BYTES_MAX (0xff * crypto_auth_hmacsha512_BYTES)
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SODIUM_EXPORT
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size_t crypto_kdf_hkdf_sha512_bytes_max(void);
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SODIUM_EXPORT
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int crypto_kdf_hkdf_sha512_extract(unsigned char prk[crypto_kdf_hkdf_sha512_KEYBYTES],
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const unsigned char *salt, size_t salt_len,
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const unsigned char *ikm, size_t ikm_len)
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__attribute__ ((nonnull(1)));
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SODIUM_EXPORT
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void crypto_kdf_hkdf_sha512_keygen(unsigned char prk[crypto_kdf_hkdf_sha512_KEYBYTES])
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__attribute__ ((nonnull));
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SODIUM_EXPORT
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int crypto_kdf_hkdf_sha512_expand(unsigned char *out, size_t out_len,
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const char *ctx, size_t ctx_len,
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const unsigned char prk[crypto_kdf_hkdf_sha512_KEYBYTES])
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__attribute__ ((nonnull(1)));
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/* ------------------------------------------------------------------------- */
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typedef struct crypto_kdf_hkdf_sha512_state {
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crypto_auth_hmacsha512_state st;
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} crypto_kdf_hkdf_sha512_state;
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SODIUM_EXPORT
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size_t crypto_kdf_hkdf_sha512_statebytes(void);
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SODIUM_EXPORT
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int crypto_kdf_hkdf_sha512_extract_init(crypto_kdf_hkdf_sha512_state *state,
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const unsigned char *salt, size_t salt_len)
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__attribute__ ((nonnull(1)));
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SODIUM_EXPORT
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int crypto_kdf_hkdf_sha512_extract_update(crypto_kdf_hkdf_sha512_state *state,
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const unsigned char *ikm, size_t ikm_len)
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__attribute__ ((nonnull));
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SODIUM_EXPORT
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int crypto_kdf_hkdf_sha512_extract_final(crypto_kdf_hkdf_sha512_state *state,
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unsigned char prk[crypto_kdf_hkdf_sha512_KEYBYTES])
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__attribute__ ((nonnull));
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#ifdef __cplusplus
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}
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#endif
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#endif
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