From 24dfa621c8171d89ea892502033c206fd530c5af Mon Sep 17 00:00:00 2001 From: Richard Levitte Date: Tue, 19 Jan 2016 01:27:12 +0100 Subject: [PATCH] Add an engine destructor to eng_cryptodev. Reviewed-by: Ben Laurie --- crypto/engine/eng_cryptodev.c | 36 +++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/crypto/engine/eng_cryptodev.c b/crypto/engine/eng_cryptodev.c index b56cc86641..f2f3d472c1 100644 --- a/crypto/engine/eng_cryptodev.c +++ b/crypto/engine/eng_cryptodev.c @@ -1139,6 +1139,41 @@ cryptodev_engine_digests(ENGINE *e, const EVP_MD **digest, return (*digest != NULL); } +static int cryptodev_engine_destroy(ENGINE *e) +{ + EVP_CIPHER_meth_free(rc4_cipher); + rc4_cipher = NULL; + EVP_CIPHER_meth_free(des_cbc_cipher); + des_cbc_cipher = NULL; + EVP_CIPHER_meth_free(des3_cbc_cipher); + des3_cbc_cipher = NULL; + EVP_CIPHER_meth_free(bf_cbc_cipher); + bf_cbc_cipher = NULL; + EVP_CIPHER_meth_free(cast_cbc_cipher); + cast_cbc_cipher = NULL; + EVP_CIPHER_meth_free(aes_cbc_cipher); + aes_cbc_cipher = NULL; + EVP_CIPHER_meth_free(aes_192_cbc_cipher); + aes_192_cbc_cipher = NULL; + EVP_CIPHER_meth_free(aes_256_cbc_cipher); + aes_256_cbc_cipher = NULL; +# ifdef CRYPTO_AES_CTR + EVP_CIPHER_meth_free(aes_ctr_cipher); + aes_ctr_cipher = NULL; + EVP_CIPHER_meth_free(aes_192_ctr_cipher); + aes_192_ctr_cipher = NULL; + EVP_CIPHER_meth_free(aes_256_ctr_cipher); + aes_256_ctr_cipher = NULL; +# endif +# ifdef USE_CRYPTODEV_DIGESTS + EVP_MD_meth_free(sha1_md); + sha1_md = NULL; + EVP_MD_meth_free(md5_md); + md5_md = NULL; +# endif + return 1; +} + /* * Convert a BIGNUM to the representation that /dev/crypto needs. * Upon completion of use, the caller is responsible for freeing @@ -1608,6 +1643,7 @@ void ENGINE_load_cryptodev(void) if (!ENGINE_set_id(engine, "cryptodev") || !ENGINE_set_name(engine, "BSD cryptodev engine") || + !ENGINE_set_destroy_function(engine, cryptodev_engine_destroy) || !ENGINE_set_ciphers(engine, cryptodev_engine_ciphers) || !ENGINE_set_digests(engine, cryptodev_engine_digests) || !ENGINE_set_ctrl_function(engine, cryptodev_ctrl) || -- 2.39.2