/* ====================================================================
* Copyright (c) 2003 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef HEADER_FIPS_RAND_H
# define HEADER_FIPS_RAND_H
# include <openssl/aes.h>
# include <openssl/evp.h>
# include <openssl/hmac.h>
# include <openssl/rand.h>
# ifdef OPENSSL_FIPS
# ifdef __cplusplus
extern "C" {
# endif
/*
* IMPORTANT NOTE:
* All functions in this header file are deprecated and should not be used
* as they use the old FIPS_drbg implementation that is not FIPS validated
* anymore.
* To provide backwards compatibility for applications that need FIPS compliant
* RNG number generation and use FIPS_drbg_generate, this function was
* re-wired to call the FIPS validated DRBG instance instead through
* the RAND_bytes() call.
*
* All these functions will be removed in future.
*/
typedef struct drbg_ctx_st DRBG_CTX;
/* DRBG external flags */
/* Flag for CTR mode only: use derivation function ctr_df */
# define DRBG_FLAG_CTR_USE_DF 0x1
/* PRNG is in test state */
# define DRBG_FLAG_TEST 0x2
DRBG_CTX *FIPS_drbg_new(int type, unsigned int flags);
int FIPS_drbg_init(DRBG_CTX *dctx, int type, unsigned int flags);
int FIPS_drbg_instantiate(DRBG_CTX *dctx,
const unsigned char *pers, size_t perslen);
int FIPS_drbg_reseed(DRBG_CTX *dctx, const unsigned char *adin,
size_t adinlen);
int FIPS_drbg_generate(DRBG_CTX *dctx, unsigned char *out, size_t outlen,
int prediction_resistance,
const unsigned char *adin, size_t adinlen);
int FIPS_drbg_uninstantiate(DRBG_CTX *dctx);
void FIPS_drbg_free(DRBG_CTX *dctx);
int FIPS_drbg_set_callbacks(DRBG_CTX *dctx,
size_t (*get_entropy) (DRBG_CTX *ctx,
unsigned char **pout,
int entropy,
size_t min_len,
size_t max_len),
void (*cleanup_entropy) (DRBG_CTX *ctx,
unsigned char *out,
size_t olen),
size_t entropy_blocklen,
size_t (*get_nonce) (DRBG_CTX *ctx,
unsigned char **pout,
int entropy,
size_t min_len,
size_t max_len),
void (*cleanup_nonce) (DRBG_CTX *ctx,
unsigned char *out,
size_t olen));
int FIPS_drbg_set_rand_callbacks(DRBG_CTX *dctx,
size_t (*get_adin) (DRBG_CTX *ctx,
unsigned char
**pout),
void (*cleanup_adin) (DRBG_CTX *ctx,
unsigned char *out,
size_t olen),
int (*rand_seed_cb) (DRBG_CTX *ctx,
const void *buf,
int num),
int (*rand_add_cb) (DRBG_CTX *ctx,
const void *buf,
int num,
double entropy));
void *FIPS_drbg_get_app_data(DRBG_CTX *ctx);
void FIPS_drbg_set_app_data(DRBG_CTX *ctx, void *app_data);
size_t FIPS_drbg_get_blocklength(DRBG_CTX *dctx);
int FIPS_drbg_get_strength(DRBG_CTX *dctx);
void FIPS_drbg_set_check_interval(DRBG_CTX *dctx, int interval);
void FIPS_drbg_set_reseed_interval(DRBG_CTX *dctx, int interval);
int FIPS_drbg_health_check(DRBG_CTX *dctx);
DRBG_CTX *FIPS_get_default_drbg(void);
const RAND_METHOD *FIPS_drbg_method(void);
int FIPS_rand_set_method(const RAND_METHOD *meth);
const RAND_METHOD *FIPS_rand_get_method(void);
void FIPS_rand_set_bits(int nbits);
int FIPS_rand_strength(void);
/* 1.0.0 compat functions */
int FIPS_rand_seed(const void *buf, int num);
int FIPS_rand_bytes(unsigned char *out, int outlen);
void FIPS_rand_reset(void);
int FIPS_rand_status(void);
# ifdef __cplusplus
}
# endif
# endif
#endif
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