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NAME

ENGINE_register_all_RSA, ENGINE_register_all_DSA, ENGINE_register_all_ECDH, ENGINE_register_all_ECDSA, ENGINE_register_all_DH, ENGINE_register_all_RAND, ENGINE_register_all_STORE, ENGINE_register_all_ciphers, ENGINE_register_all_digests, ENGINE_register_all_complete, ENGINE_load_builtin_engines, ENGINE_load_dynamic — register all engines as implementing an algorithm

SYNOPSIS

#include <openssl/engine.h>

void
ENGINE_register_all_RSA(void);

void
ENGINE_register_all_DSA(void);

void
ENGINE_register_all_ECDH(void);

void
ENGINE_register_all_ECDSA(void);

void
ENGINE_register_all_DH(void);

void
ENGINE_register_all_RAND(void);

void
ENGINE_register_all_STORE(void);

void
ENGINE_register_all_ciphers(void);

void
ENGINE_register_all_digests(void);

int
ENGINE_register_all_complete(void);

void
ENGINE_load_builtin_engines(void);

void
ENGINE_load_dynamic(void);

DESCRIPTION

These functions loop over all the ENGINE objects contained in the global table described in the ENGINE_add(3) manual page. They register each object for the respective algorithm by calling the corresponding function described in ENGINE_register_RSA(3).

ENGINE_register_all_complete() calls ENGINE_register_complete() in this way, except that it skips those ENGINE objects that have the ENGINE_FLAGS_NO_REGISTER_ALL flag set with ENGINE_set_flags(3).

ENGINE_load_builtin_engines() calls OPENSSL_init_crypto(3) with no options, loads any built-in engines that are enabled by default, and calls ENGINE_register_all_complete(). Currently, LibreSSL does not provide any engines. GOST and aesni support is provided by the crypto library itself and does not require any engines, not even built-in ones.

ENGINE_load_dynamic() has no effect and is only provided for compatibility.

SEE ALSO

ENGINE_add(3), ENGINE_new(3), ENGINE_register_RSA(3), ENGINE_set_flags(3), OPENSSL_config(3), OPENSSL_init_crypto(3)

HISTORY

ENGINE_register_all_RSA(), ENGINE_register_all_DSA(), ENGINE_register_all_DH(), ENGINE_register_all_RAND(), ENGINE_register_all_ciphers(), ENGINE_register_all_digests(), ENGINE_register_all_complete(), ENGINE_load_builtin_engines(), and ENGINE_load_dynamic() first appeared in OpenSSL 0.9.7 and have been available since OpenBSD 3.2.

ENGINE_register_all_ECDH(), ENGINE_register_all_ECDSA(), and ENGINE_register_all_STORE() first appeared in OpenSSL 0.9.8 and have been available since OpenBSD 4.5.