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ENGINE_UNREGISTER_RSA(3) Library Functions Manual ENGINE_UNREGISTER_RSA(3)

ENGINE_unregister_RSA, ENGINE_unregister_DSA, ENGINE_unregister_ECDH, ENGINE_unregister_ECDSA, ENGINE_unregister_DH, ENGINE_unregister_RAND, ENGINE_unregister_STORE, ENGINE_unregister_ciphers, ENGINE_unregister_digestsrevoke the registration of an ENGINE object

#include <openssl/engine.h>

void
ENGINE_unregister_RSA(ENGINE *e);

void
ENGINE_unregister_DSA(ENGINE *e);

void
ENGINE_unregister_ECDH(ENGINE *e);

void
ENGINE_unregister_ECDSA(ENGINE *e);

void
ENGINE_unregister_DH(ENGINE *e);

void
ENGINE_unregister_RAND(ENGINE *e);

void
ENGINE_unregister_STORE(ENGINE *e);

void
ENGINE_unregister_ciphers(ENGINE *e);

void
ENGINE_unregister_digests(ENGINE *e);

These functions remove e from the list of ENGINE objects that were previously registered for the respective algorithm with the functions described in ENGINE_register_RSA(3).

If e is currently used as the default engine for the algorithm as described in the (3) and (3) manual pages, ENGINE_finish(3) is also called.

() and () unregister e for all ciphers or digests, respectively.

ENGINE_cleanup(3), ENGINE_finish(3), ENGINE_new(3), ENGINE_register_RSA(3), ENGINE_set_default(3)

ENGINE_unregister_RSA(), ENGINE_unregister_DSA(), ENGINE_unregister_DH(), ENGINE_unregister_RAND(), ENGINE_unregister_ciphers(), and ENGINE_unregister_digests() first appeared in OpenSSL 0.9.7 and have been available since OpenBSD 3.2.

ENGINE_unregister_ECDH(), ENGINE_unregister_ECDSA(), and ENGINE_unregister_STORE() first appeared in OpenSSL 0.9.8 and have been available since OpenBSD 4.5.

April 18, 2018 OpenBSD-7.3