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12fb8c3d2d
Ported from the last FIPS release, with DUAL_EC and SHA1 and the self-tests removed. Since only AES-CTR is supported, other code simplifications were done. Removed the "entropy blocklen" concept. Moved internal functions to new include/internal/rand.h. Reviewed-by: Paul Dale <paul.dale@oracle.com> (Merged from https://github.com/openssl/openssl/pull/3789)
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/*
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* Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef HEADER_DRBG_RAND_H
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# define HEADER_DRBG_RAND_H
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/* Flag for CTR mode only: use derivation function ctr_df */
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#define RAND_DRBG_FLAG_CTR_USE_DF 0x2
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const RAND_METHOD *RAND_drbg(void);
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int RAND_DRBG_set(DRBG_CTX *ctx, int type, unsigned int flags);
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DRBG_CTX *RAND_DRBG_new(int type, unsigned int flags, DRBG_CTX *parent);
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int RAND_DRBG_instantiate(DRBG_CTX *dctx,
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const unsigned char *pers, size_t perslen);
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int RAND_DRBG_uninstantiate(DRBG_CTX *dctx);
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int RAND_DRBG_reseed(DRBG_CTX *dctx, const unsigned char *adin, size_t adinlen);
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int RAND_DRBG_generate(DRBG_CTX *dctx, unsigned char *out, size_t outlen,
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int prediction_resistance,
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const unsigned char *adin, size_t adinlen);
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void RAND_DRBG_free(DRBG_CTX *dctx);
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int RAND_DRBG_set_callbacks(DRBG_CTX *dctx,
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size_t (*get_entropy)(DRBG_CTX *ctx, unsigned char **pout,
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int entropy, size_t min_len, size_t max_len),
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void (*cleanup_entropy)(DRBG_CTX *ctx, unsigned char *out, size_t olen),
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size_t (*get_nonce)(DRBG_CTX *ctx, unsigned char **pout,
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int entropy, size_t min_len, size_t max_len),
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void (*cleanup_nonce)(DRBG_CTX *ctx, unsigned char *out, size_t olen)
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);
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void RAND_DRBG_set_reseed_interval(DRBG_CTX *dctx, int interval);
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#define RAND_DRBG_get_ex_new_index(l, p, newf, dupf, freef) \
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CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DRBG, l, p, newf, dupf, freef)
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int RAND_DRBG_set_ex_data(DRBG_CTX *dctx, int idx, void *arg);
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void *RAND_DRBG_get_ex_data(const DRBG_CTX *dctx, int idx);
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DRBG_CTX *RAND_DRBG_get_default(void);
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#endif
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