iqr_kdf.h

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#ifndef IQR_KDF_H
#define IQR_KDF_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include "iqr_api.h"
#include "iqr_hash.h"
#include "iqr_retval.h"
 
#include <stddef.h>
#include <stdint.h>
 
// ---------------------------------------------------------------------------------------------------------------------------------
// RFC 5869 HKDF.
// ---------------------------------------------------------------------------------------------------------------------------------
 
IQR_API
iqr_retval iqr_RFC5869HKDFDeriveKey(const iqr_Context *ctx, iqr_HashAlgorithmType hash_algo, const uint8_t *salt, size_t salt_size,
    const uint8_t *ikm, size_t ikm_size, const uint8_t *info, size_t info_size, uint8_t *key, size_t key_size);
 
// ---------------------------------------------------------------------------------------------------------------------------------
// NIST SP 800-56C Option 1 Concatenation KDF.
// ---------------------------------------------------------------------------------------------------------------------------------
 
IQR_API
iqr_retval iqr_ConcatenationKDFDeriveKey(const iqr_Context *ctx, iqr_HashAlgorithmType hash_algo, const uint8_t *shared_secret,
    size_t shared_secret_size, const uint8_t *other_info, size_t other_info_size, uint8_t *key, size_t key_size);
 
// ---------------------------------------------------------------------------------------------------------------------------------
// Internet Engineering Taskforce's (IETF's) RFC 2898, PBKDF2.
// ---------------------------------------------------------------------------------------------------------------------------------
 
IQR_API
iqr_retval iqr_PBKDF2DeriveKey(const iqr_Context *ctx, iqr_HashAlgorithmType hash_algo, const uint8_t *password,
    size_t password_size, const uint8_t *salt, size_t salt_size, uint32_t iteration_count, uint8_t *key, size_t key_size);
 
#ifdef __cplusplus
}
#endif
 
#endif /* IQR_KDF_H */