From dd729962f235830a3413f241d321468b1bbd0dab Mon Sep 17 00:00:00 2001 From: Vitaly Chikunov Date: Tue, 12 May 2020 02:23:34 +0300 Subject: [PATCH] gost_crypt: Add magma_ctr_cipher --- gost_crypt.c | 50 ++++++++++++++++++-------------------------------- gost_eng.c | 3 ++- gost_lcl.h | 1 + 3 files changed, 21 insertions(+), 33 deletions(-) diff --git a/gost_crypt.c b/gost_crypt.c index ab5197e..22765ee 100644 --- a/gost_crypt.c +++ b/gost_crypt.c @@ -175,38 +175,24 @@ GOST_cipher Gost28147_89_cnt_12_cipher = { .ctrl = gost_cipher_ctl, }; -static EVP_CIPHER *_hidden_magma_ctr = NULL; -const EVP_CIPHER *cipher_magma_ctr(void) -{ - if (_hidden_magma_ctr == NULL - && ((_hidden_magma_ctr = - EVP_CIPHER_meth_new(NID_magma_ctr, 1 /* block_size */ , - 32 /* key_size */ )) == NULL - || !EVP_CIPHER_meth_set_iv_length(_hidden_magma_ctr, 4) - || !EVP_CIPHER_meth_set_flags(_hidden_magma_ctr, - EVP_CIPH_CTR_MODE | - EVP_CIPH_NO_PADDING | - EVP_CIPH_CUSTOM_IV | - EVP_CIPH_RAND_KEY | - EVP_CIPH_ALWAYS_CALL_INIT) - || !EVP_CIPHER_meth_set_init(_hidden_magma_ctr, magma_cipher_init) - || !EVP_CIPHER_meth_set_do_cipher(_hidden_magma_ctr, - magma_cipher_do_ctr) - || !EVP_CIPHER_meth_set_cleanup(_hidden_magma_ctr, - gost_cipher_cleanup) - || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_magma_ctr, - sizeof(struct - ossl_gost_cipher_ctx)) - || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_magma_ctr, - magma_set_asn1_parameters) - || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_magma_ctr, - magma_get_asn1_parameters) - || !EVP_CIPHER_meth_set_ctrl(_hidden_magma_ctr, magma_cipher_ctl))) { - EVP_CIPHER_meth_free(_hidden_magma_ctr); - _hidden_magma_ctr = NULL; - } - return _hidden_magma_ctr; -} +GOST_cipher magma_ctr_cipher = { + .nid = NID_magma_ctr, + .block_size = 1, + .key_len = 32, + .iv_len = 4, + .flags = EVP_CIPH_CTR_MODE | + EVP_CIPH_NO_PADDING | + EVP_CIPH_CUSTOM_IV | + EVP_CIPH_RAND_KEY | + EVP_CIPH_ALWAYS_CALL_INIT, + .init = magma_cipher_init, + .do_cipher = magma_cipher_do_ctr, + .cleanup = gost_cipher_cleanup, + .ctx_size = sizeof(struct ossl_gost_cipher_ctx), + .set_asn1_parameters = gost89_set_asn1_parameters, + .get_asn1_parameters = gost89_get_asn1_parameters, + .ctrl = magma_cipher_ctl, +}; static EVP_CIPHER *_hidden_magma_ctr_acpkm = NULL; const EVP_CIPHER *cipher_magma_ctr_acpkm(void) diff --git a/gost_eng.c b/gost_eng.c index fb71d3b..d129ed2 100644 --- a/gost_eng.c +++ b/gost_eng.c @@ -157,7 +157,8 @@ static struct gost_cipher_minfo { }, { NID_magma_ctr, - cipher_magma_ctr, + NULL, + &magma_ctr_cipher, }, { NID_magma_ctr_acpkm, diff --git a/gost_lcl.h b/gost_lcl.h index 0369f82..29ab7a9 100644 --- a/gost_lcl.h +++ b/gost_lcl.h @@ -345,5 +345,6 @@ extern GOST_cipher Gost28147_89_cipher; extern GOST_cipher Gost28147_89_cbc_cipher; extern GOST_cipher Gost28147_89_cnt_cipher; extern GOST_cipher Gost28147_89_cnt_12_cipher; +extern GOST_cipher magma_ctr_cipher; #endif /* vim: set expandtab cinoptions=\:0,l1,t0,g0,(0 sw=4 : */ -- 2.39.5