add register_all_{ciphers,hashes,prngs}()

src/headers/tomcrypt_cipher.h

@@ -933,6 +933,7 @@ int find_cipher_any(const char *name, int blocklen, int keylen);
 int find_cipher_id(unsigned char ID);
 int register_cipher(const struct ltc_cipher_descriptor *cipher);
 int unregister_cipher(const struct ltc_cipher_descriptor *cipher);
+int register_all_ciphers(void);
 int cipher_is_valid(int idx);
 
 LTC_MUTEX_PROTO(ltc_cipher_mutex)

src/headers/tomcrypt_hash.h

@@ -461,6 +461,7 @@ int find_hash_oid(const unsigned long *ID, unsigned long IDlen);
 int find_hash_any(const char *name, int digestlen);
 int register_hash(const struct ltc_hash_descriptor *hash);
 int unregister_hash(const struct ltc_hash_descriptor *hash);
+int register_all_hashes(void);
 int hash_is_valid(int idx);
 
 LTC_MUTEX_PROTO(ltc_hash_mutex)

src/headers/tomcrypt_prng.h

@@ -199,6 +199,7 @@ extern const struct ltc_prng_descriptor sober128_desc;
 int find_prng(const char *name);
 int register_prng(const struct ltc_prng_descriptor *prng);
 int unregister_prng(const struct ltc_prng_descriptor *prng);
+int register_all_prngs(void);
 int prng_is_valid(int idx);
 LTC_MUTEX_PROTO(ltc_prng_mutex)