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- /* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
- * applicable.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- #ifndef APR_RANDOM_H
- #define APR_RANDOM_H
-
- #include <apr_pools.h>
-
- typedef struct apr_crypto_hash_t apr_crypto_hash_t;
-
- typedef void apr_crypto_hash_init_t(apr_crypto_hash_t *hash);
- typedef void apr_crypto_hash_add_t(apr_crypto_hash_t *hash,const void *data,
- apr_size_t bytes);
- typedef void apr_crypto_hash_finish_t(apr_crypto_hash_t *hash,
- unsigned char *result);
-
- /* FIXME: make this opaque */
- struct apr_crypto_hash_t {
- apr_crypto_hash_init_t *init;
- apr_crypto_hash_add_t *add;
- apr_crypto_hash_finish_t *finish;
- apr_size_t size;
- void *data;
- };
-
- APR_DECLARE(apr_crypto_hash_t *) apr_crypto_sha256_new(apr_pool_t *p);
-
- typedef struct apr_random_t apr_random_t;
-
- APR_DECLARE(void) apr_random_init(apr_random_t *g,apr_pool_t *p,
- apr_crypto_hash_t *pool_hash,
- apr_crypto_hash_t *key_hash,
- apr_crypto_hash_t *prng_hash);
- APR_DECLARE(apr_random_t *) apr_random_standard_new(apr_pool_t *p);
- APR_DECLARE(void) apr_random_add_entropy(apr_random_t *g,
- const void *entropy_,
- apr_size_t bytes);
- APR_DECLARE(apr_status_t) apr_random_insecure_bytes(apr_random_t *g,
- void *random,
- apr_size_t bytes);
- APR_DECLARE(apr_status_t) apr_random_secure_bytes(apr_random_t *g,
- void *random,
- apr_size_t bytes);
- APR_DECLARE(void) apr_random_barrier(apr_random_t *g);
- APR_DECLARE(apr_status_t) apr_random_secure_ready(apr_random_t *r);
- APR_DECLARE(apr_status_t) apr_random_insecure_ready(apr_random_t *r);
-
- /* Call this in the child after forking to mix the randomness
- pools. Note that its generally a bad idea to fork a process with a
- real PRNG in it - better to have the PRNG externally and get the
- randomness from there. However, if you really must do it, then you
- should supply all your entropy to all the PRNGs - don't worry, they
- won't produce the same output.
-
- Note that apr_proc_fork() calls this for you, so only weird
- applications need ever call it themselves.
- */
- struct apr_proc_t;
- APR_DECLARE(void) apr_random_after_fork(struct apr_proc_t *proc);
-
- #endif /* ndef APR_RANDOM_H */
-