1 /* ====================================================================
2 * Copyright (c) 2003 The OpenSSL Project. All rights reserved.
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5 * modification, are permitted provided that the following conditions
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9 * notice, this list of conditions and the following disclaimer.
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17 * software must display the following acknowledgment:
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32 * "This product includes software developed by the OpenSSL Project
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50 #ifndef HEADER_FIPS_RAND_H
51 #define HEADER_FIPS_RAND_H
61 int FIPS_rand_set_key(const unsigned char *key, int keylen);
62 int FIPS_rand_seed(const void *buf, int num);
63 int FIPS_rand_bytes(unsigned char *out, int outlen);
65 int FIPS_rand_test_mode(void);
66 void FIPS_rand_reset(void);
67 int FIPS_rand_set_dt(unsigned char *dt);
69 int FIPS_rand_status(void);
71 const RAND_METHOD *FIPS_rand_method(void);
73 typedef struct drbg_ctx_st DRBG_CTX;
75 /* Flag for CTR mode only: use derivation function ctr_df */
76 #define DRBG_FLAG_CTR_USE_DF 0x1
78 DRBG_CTX *FIPS_drbg_new(int type, unsigned int flags);
79 int FIPS_drbg_instantiate(DRBG_CTX *dctx, int strength,
80 const unsigned char *pers, size_t perslen);
81 int FIPS_drbg_reseed(DRBG_CTX *dctx, const unsigned char *adin, size_t adinlen);
82 int FIPS_drbg_generate(DRBG_CTX *dctx, unsigned char *out, size_t outlen,
83 int prediction_resistance,
84 const unsigned char *adin, size_t adinlen);
86 int FIPS_drbg_uninstantiate(DRBG_CTX *dctx);
87 void FIPS_drbg_free(DRBG_CTX *dctx);
89 int FIPS_drbg_set_test_mode(DRBG_CTX *dctx,
90 size_t (*get_entropy)(DRBG_CTX *ctx, unsigned char *out,
91 int entropy, size_t min_len, size_t max_len),
92 size_t (*get_nonce)(DRBG_CTX *ctx, unsigned char *out,
93 int entropy, size_t min_len, size_t max_len));
95 void *FIPS_drbg_get_app_data(DRBG_CTX *ctx);
96 void FIPS_drbg_set_app_data(DRBG_CTX *ctx, void *app_data);
97 size_t FIPS_drbg_get_blocklength(DRBG_CTX *dctx);