share rand_pool between libcrypto and providers

Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/11682)

1 files changed, 0 insertions, 98 deletions

diff --git a/include/crypto/rand.h b/include/crypto/rand.h
index 1e559ad619..c5eef81462 100644
--- a/include/crypto/rand.h
+++ b/include/crypto/rand.h
@@ -20,9 +20,6 @@
 
 # include <openssl/rand.h>
 
-/* forward declaration */
-typedef struct rand_pool_st RAND_POOL;
-
 /*
  * Defines related to seed sources
  */
@@ -74,101 +71,6 @@ typedef struct rand_pool_st RAND_POOL;
 
 void rand_cleanup_int(void);
 
-/* Hardware-based seeding functions. */
-size_t rand_acquire_entropy_from_tsc(RAND_POOL *pool);
-size_t rand_acquire_entropy_from_cpu(RAND_POOL *pool);
-
-/* DRBG entropy callbacks. */
-size_t rand_drbg_get_entropy(RAND_DRBG *drbg,
-                             unsigned char **pout,
-                             int entropy, size_t min_len, size_t max_len,
-                             int prediction_resistance);
-void rand_drbg_cleanup_entropy(RAND_DRBG *drbg,
-                               unsigned char *out, size_t outlen);
-size_t rand_drbg_get_nonce(RAND_DRBG *drbg,
-                           unsigned char **pout,
-                           int entropy, size_t min_len, size_t max_len);
-void rand_drbg_cleanup_nonce(RAND_DRBG *drbg,
-                             unsigned char *out, size_t outlen);
-
-size_t rand_drbg_get_additional_data(RAND_POOL *pool, unsigned char **pout);
-
-void rand_drbg_cleanup_additional_data(RAND_POOL *pool, unsigned char *out);
-
-/* CRNG test entropy filter callbacks. */
-size_t rand_crngt_get_entropy(RAND_DRBG *drbg,
-                              unsigned char **pout,
-                              int entropy, size_t min_len, size_t max_len,
-                              int prediction_resistance);
-void rand_crngt_cleanup_entropy(RAND_DRBG *drbg,
-                                unsigned char *out, size_t outlen);
-
-/*
- * RAND_POOL functions
- */
-RAND_POOL *rand_pool_new(int entropy_requested, int secure,
-                         size_t min_len, size_t max_len);
-RAND_POOL *rand_pool_attach(const unsigned char *buffer, size_t len,
-                            size_t entropy);
-void rand_pool_free(RAND_POOL *pool);
-
-const unsigned char *rand_pool_buffer(RAND_POOL *pool);
-unsigned char *rand_pool_detach(RAND_POOL *pool);
-void rand_pool_reattach(RAND_POOL *pool, unsigned char *buffer);
-
-size_t rand_pool_entropy(RAND_POOL *pool);
-size_t rand_pool_length(RAND_POOL *pool);
-
-size_t rand_pool_entropy_available(RAND_POOL *pool);
-size_t rand_pool_entropy_needed(RAND_POOL *pool);
-/* |entropy_factor| expresses how many bits of data contain 1 bit of entropy */
-size_t rand_pool_bytes_needed(RAND_POOL *pool, unsigned int entropy_factor);
-size_t rand_pool_bytes_remaining(RAND_POOL *pool);
-
-int rand_pool_add(RAND_POOL *pool,
-                  const unsigned char *buffer, size_t len, size_t entropy);
-unsigned char *rand_pool_add_begin(RAND_POOL *pool, size_t len);
-int rand_pool_add_end(RAND_POOL *pool, size_t len, size_t entropy);
-
-
-/*
- * Add random bytes to the pool to acquire requested amount of entropy
- *
- * This function is platform specific and tries to acquire the requested
- * amount of entropy by polling platform specific entropy sources.
- *
- * If the function succeeds in acquiring at least |entropy_requested| bits
- * of entropy, the total entropy count is returned. If it fails, it returns
- * an entropy count of 0.
- */
-size_t rand_pool_acquire_entropy(RAND_POOL *pool);
-
-/*
- * Add some application specific nonce data
- *
- * This function is platform specific and adds some application specific
- * data to the nonce used for instantiating the drbg.
- *
- * This data currently consists of the process and thread id, and a high
- * resolution timestamp. The data does not include an atomic counter,
- * because that is added by the calling function rand_drbg_get_nonce().
- *
- * Returns 1 on success and 0 on failure.
- */
-int rand_pool_add_nonce_data(RAND_POOL *pool);
-
-
-/*
- * Add some platform specific additional data
- *
- * This function is platform specific and adds some random noise to the
- * additional data used for generating random bytes and for reseeding
- * the drbg.
- *
- * Returns 1 on success and 0 on failure.
- */
-int rand_pool_add_additional_data(RAND_POOL *pool);
-
 /*
  * Initialise the random pool reseeding sources.
  *