+++ /dev/null
-/* fips/rand/fips_rand_lcl.h */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project.
- */
-/* ====================================================================
- * Copyright (c) 2011 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
- * licensing@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,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- */
-
-typedef struct drbg_hash_ctx_st DRBG_HASH_CTX;
-typedef struct drbg_hmac_ctx_st DRBG_HMAC_CTX;
-typedef struct drbg_ctr_ctx_st DRBG_CTR_CTX;
-typedef struct drbg_ec_ctx_st DRBG_EC_CTX;
-
-/* 888 bits from 10.1 table 2 */
-#define HASH_PRNG_MAX_SEEDLEN 111
-
-struct drbg_hash_ctx_st
- {
- const EVP_MD *md;
- EVP_MD_CTX mctx;
- unsigned char V[HASH_PRNG_MAX_SEEDLEN];
- unsigned char C[HASH_PRNG_MAX_SEEDLEN];
- /* Temporary value storage: should always exceed max digest length */
- unsigned char vtmp[HASH_PRNG_MAX_SEEDLEN];
- };
-
-struct drbg_hmac_ctx_st
- {
- const EVP_MD *md;
- HMAC_CTX hctx;
- unsigned char K[EVP_MAX_MD_SIZE];
- unsigned char V[EVP_MAX_MD_SIZE];
- };
-
-struct drbg_ctr_ctx_st
- {
- AES_KEY ks;
- size_t keylen;
- unsigned char K[32];
- unsigned char V[16];
- /* Temp variables used by derivation function */
- AES_KEY df_ks;
- AES_KEY df_kxks;
- /* Temporary block storage used by ctr_df */
- unsigned char bltmp[16];
- size_t bltmp_pos;
- unsigned char KX[48];
- };
-
-/* Maximum seed length */
-#define EC_PRNG_MAX_SEEDLEN 66
-
-struct drbg_ec_ctx_st
- {
- /* Message digest to use */
- const EVP_MD *md;
- /* Curve to use: generator is point P */
- EC_GROUP *curve;
- /* Point Q */
- EC_POINT *Q;
- /* Temporary point */
- EC_POINT *ptmp;
- size_t exbits;
- /* Secret s value */
- BIGNUM *s;
- /* Buffer to store byte version of s value */
- unsigned char sbuf[EC_PRNG_MAX_SEEDLEN];
- /* Buffer to store byte version of t value */
- unsigned char tbuf[EC_PRNG_MAX_SEEDLEN];
- /* Digest context */
- EVP_MD_CTX mctx;
- /* Temporary value storage: should always exceed max digest length */
- unsigned char vtmp[EC_PRNG_MAX_SEEDLEN];
- /* Temp BN context */
- BN_CTX *bctx;
- };
-
-/* DRBG internal flags */
-
-/* Functions shouldn't call err library */
-#define DRBG_FLAG_NOERR 0x1
-/* Custom reseed checking */
-#define DRBG_CUSTOM_RESEED 0x2
-
-/* DRBG status values */
-/* not initialised */
-#define DRBG_STATUS_UNINITIALISED 0
-/* ok and ready to generate random bits */
-#define DRBG_STATUS_READY 1
-/* reseed required */
-#define DRBG_STATUS_RESEED 2
-/* fatal error condition */
-#define DRBG_STATUS_ERROR 3
-
-/* A default maximum length: larger than any reasonable value used in pratice */
-
-#define DRBG_MAX_LENGTH 0x7ffffff0
-/* Maximum DRBG block length: all md sizes are bigger than cipher blocks sizes
- * so use max digest length.
- */
-#define DRBG_MAX_BLOCK EVP_MAX_MD_SIZE
-
-#define DRBG_HEALTH_INTERVAL (1 << 24)
-
-/* DRBG context structure */
-
-struct drbg_ctx_st
- {
- /* First types common to all implementations */
- /* DRBG type: a NID for the underlying algorithm */
- int type;
- /* Various external flags */
- unsigned int xflags;
- /* Various internal use only flags */
- unsigned int iflags;
- /* Used for periodic health checks */
- int health_check_cnt, health_check_interval;
-
- /* The following parameters are setup by mechanism drbg_init() call */
- int strength;
- size_t blocklength;
- size_t max_request;
-
- size_t min_entropy, max_entropy;
- size_t min_nonce, max_nonce;
- size_t max_pers, max_adin;
- unsigned int reseed_counter;
- unsigned int reseed_interval;
- size_t seedlen;
- int status;
- /* Application data: typically used by test get_entropy */
- void *app_data;
- /* Implementation specific structures */
- union
- {
- DRBG_HASH_CTX hash;
- DRBG_HMAC_CTX hmac;
- DRBG_CTR_CTX ctr;
- DRBG_EC_CTX ec;
- } d;
- /* Initialiase PRNG and setup callbacks below */
- int (*init)(DRBG_CTX *ctx, int nid, int security, unsigned int flags);
- /* Intantiate PRNG */
- int (*instantiate)(DRBG_CTX *ctx,
- const unsigned char *ent, size_t entlen,
- const unsigned char *nonce, size_t noncelen,
- const unsigned char *pers, size_t perslen);
- /* reseed */
- int (*reseed)(DRBG_CTX *ctx,
- const unsigned char *ent, size_t entlen,
- const unsigned char *adin, size_t adinlen);
- /* generat output */
- int (*generate)(DRBG_CTX *ctx,
- unsigned char *out, size_t outlen,
- const unsigned char *adin, size_t adinlen);
- /* uninstantiate */
- int (*uninstantiate)(DRBG_CTX *ctx);
-
- /* Entropy source block length */
- size_t entropy_blocklen;
-
- /* entropy gathering function */
- size_t (*get_entropy)(DRBG_CTX *ctx, unsigned char **pout,
- int entropy, size_t min_len, size_t max_len);
- /* Indicates we have finished with entropy buffer */
- void (*cleanup_entropy)(DRBG_CTX *ctx, unsigned char *out, size_t olen);
-
- /* nonce gathering function */
- size_t (*get_nonce)(DRBG_CTX *ctx, unsigned char **pout,
- int entropy, size_t min_len, size_t max_len);
- /* Indicates we have finished with nonce buffer */
- void (*cleanup_nonce)(DRBG_CTX *ctx, unsigned char *out, size_t olen);
-
- /* Continuous random number test temporary area */
- /* Last block */
- unsigned char lb[EVP_MAX_MD_SIZE];
- /* set if lb is valid */
- int lb_valid;
-
- /* Callbacks used when called through RAND interface */
- /* Get any additional input for generate */
- size_t (*get_adin)(DRBG_CTX *ctx, unsigned char **pout);
- void (*cleanup_adin)(DRBG_CTX *ctx, unsigned char *out, size_t olen);
- /* Callback for RAND_seed(), RAND_add() */
- 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);
- };
-
-
-int fips_drbg_ctr_init(DRBG_CTX *dctx);
-int fips_drbg_hash_init(DRBG_CTX *dctx);
-int fips_drbg_hmac_init(DRBG_CTX *dctx);
-int fips_drbg_ec_init(DRBG_CTX *dctx);
-int fips_drbg_kat(DRBG_CTX *dctx, int nid, unsigned int flags);
-int fips_drbg_cprng_test(DRBG_CTX *dctx, const unsigned char *out);
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