1*b077aed3SPierre Pronchery/* 2*b077aed3SPierre Pronchery * Copyright 2021 The OpenSSL Project Authors. All Rights Reserved. 3*b077aed3SPierre Pronchery * 4*b077aed3SPierre Pronchery * Licensed under the Apache License 2.0 (the "License"). You may not use 5*b077aed3SPierre Pronchery * this file except in compliance with the License. You can obtain a copy 6*b077aed3SPierre Pronchery * in the file LICENSE in the source distribution or at 7*b077aed3SPierre Pronchery * https://www.openssl.org/source/license.html 8*b077aed3SPierre Pronchery */ 9*b077aed3SPierre Pronchery 10*b077aed3SPierre Pronchery/* Dispatch functions for CAMELLIA CBC CTS ciphers */ 11*b077aed3SPierre Pronchery 12*b077aed3SPierre Pronchery#include <openssl/proverr.h> 13*b077aed3SPierre Pronchery#include "cipher_cts.h" 14*b077aed3SPierre Pronchery 15*b077aed3SPierre Pronchery#define CTS_FLAGS PROV_CIPHER_FLAG_CTS 16*b077aed3SPierre Pronchery 17*b077aed3SPierre Proncherystatic OSSL_FUNC_cipher_encrypt_init_fn camellia_cbc_cts_einit; 18*b077aed3SPierre Proncherystatic OSSL_FUNC_cipher_decrypt_init_fn camellia_cbc_cts_dinit; 19*b077aed3SPierre Proncherystatic OSSL_FUNC_cipher_get_ctx_params_fn camellia_cbc_cts_get_ctx_params; 20*b077aed3SPierre Proncherystatic OSSL_FUNC_cipher_set_ctx_params_fn camellia_cbc_cts_set_ctx_params; 21*b077aed3SPierre Proncherystatic OSSL_FUNC_cipher_gettable_ctx_params_fn camellia_cbc_cts_gettable_ctx_params; 22*b077aed3SPierre Proncherystatic OSSL_FUNC_cipher_settable_ctx_params_fn camellia_cbc_cts_settable_ctx_params; 23*b077aed3SPierre Pronchery 24*b077aed3SPierre ProncheryCIPHER_DEFAULT_GETTABLE_CTX_PARAMS_START(camellia_cbc_cts) 25*b077aed3SPierre ProncheryOSSL_PARAM_utf8_string(OSSL_CIPHER_PARAM_CTS_MODE, NULL, 0), 26*b077aed3SPierre ProncheryCIPHER_DEFAULT_GETTABLE_CTX_PARAMS_END(camellia_cbc_cts) 27*b077aed3SPierre Pronchery 28*b077aed3SPierre Proncherystatic int camellia_cbc_cts_einit(void *ctx, const unsigned char *key, size_t keylen, 29*b077aed3SPierre Pronchery const unsigned char *iv, size_t ivlen, 30*b077aed3SPierre Pronchery const OSSL_PARAM params[]) 31*b077aed3SPierre Pronchery{ 32*b077aed3SPierre Pronchery if (!ossl_cipher_generic_einit(ctx, key, keylen, iv, ivlen, NULL)) 33*b077aed3SPierre Pronchery return 0; 34*b077aed3SPierre Pronchery return camellia_cbc_cts_set_ctx_params(ctx, params); 35*b077aed3SPierre Pronchery} 36*b077aed3SPierre Pronchery 37*b077aed3SPierre Proncherystatic int camellia_cbc_cts_dinit(void *ctx, const unsigned char *key, size_t keylen, 38*b077aed3SPierre Pronchery const unsigned char *iv, size_t ivlen, 39*b077aed3SPierre Pronchery const OSSL_PARAM params[]) 40*b077aed3SPierre Pronchery{ 41*b077aed3SPierre Pronchery if (!ossl_cipher_generic_dinit(ctx, key, keylen, iv, ivlen, NULL)) 42*b077aed3SPierre Pronchery return 0; 43*b077aed3SPierre Pronchery return camellia_cbc_cts_set_ctx_params(ctx, params); 44*b077aed3SPierre Pronchery} 45*b077aed3SPierre Pronchery 46*b077aed3SPierre Proncherystatic int camellia_cbc_cts_get_ctx_params(void *vctx, OSSL_PARAM params[]) 47*b077aed3SPierre Pronchery{ 48*b077aed3SPierre Pronchery PROV_CIPHER_CTX *ctx = (PROV_CIPHER_CTX *)vctx; 49*b077aed3SPierre Pronchery OSSL_PARAM *p; 50*b077aed3SPierre Pronchery 51*b077aed3SPierre Pronchery p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_CTS_MODE); 52*b077aed3SPierre Pronchery if (p != NULL) { 53*b077aed3SPierre Pronchery const char *name = ossl_cipher_cbc_cts_mode_id2name(ctx->cts_mode); 54*b077aed3SPierre Pronchery 55*b077aed3SPierre Pronchery if (name == NULL || !OSSL_PARAM_set_utf8_string(p, name)) { 56*b077aed3SPierre Pronchery ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER); 57*b077aed3SPierre Pronchery return 0; 58*b077aed3SPierre Pronchery } 59*b077aed3SPierre Pronchery } 60*b077aed3SPierre Pronchery return ossl_cipher_generic_get_ctx_params(vctx, params); 61*b077aed3SPierre Pronchery} 62*b077aed3SPierre Pronchery 63*b077aed3SPierre ProncheryCIPHER_DEFAULT_SETTABLE_CTX_PARAMS_START(camellia_cbc_cts) 64*b077aed3SPierre ProncheryOSSL_PARAM_utf8_string(OSSL_CIPHER_PARAM_CTS_MODE, NULL, 0), 65*b077aed3SPierre ProncheryCIPHER_DEFAULT_SETTABLE_CTX_PARAMS_END(camellia_cbc_cts) 66*b077aed3SPierre Pronchery 67*b077aed3SPierre Proncherystatic int camellia_cbc_cts_set_ctx_params(void *vctx, const OSSL_PARAM params[]) 68*b077aed3SPierre Pronchery{ 69*b077aed3SPierre Pronchery PROV_CIPHER_CTX *ctx = (PROV_CIPHER_CTX *)vctx; 70*b077aed3SPierre Pronchery const OSSL_PARAM *p; 71*b077aed3SPierre Pronchery int id; 72*b077aed3SPierre Pronchery 73*b077aed3SPierre Pronchery p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_CTS_MODE); 74*b077aed3SPierre Pronchery if (p != NULL) { 75*b077aed3SPierre Pronchery if (p->data_type != OSSL_PARAM_UTF8_STRING) 76*b077aed3SPierre Pronchery goto err; 77*b077aed3SPierre Pronchery id = ossl_cipher_cbc_cts_mode_name2id(p->data); 78*b077aed3SPierre Pronchery if (id < 0) 79*b077aed3SPierre Pronchery goto err; 80*b077aed3SPierre Pronchery 81*b077aed3SPierre Pronchery ctx->cts_mode = (unsigned int)id; 82*b077aed3SPierre Pronchery } 83*b077aed3SPierre Pronchery return ossl_cipher_generic_set_ctx_params(vctx, params); 84*b077aed3SPierre Proncheryerr: 85*b077aed3SPierre Pronchery ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER); 86*b077aed3SPierre Pronchery return 0; 87*b077aed3SPierre Pronchery} 88*b077aed3SPierre Pronchery 89*b077aed3SPierre Pronchery/* ossl_camellia256cbc_cts_functions */ 90*b077aed3SPierre ProncheryIMPLEMENT_cts_cipher(camellia, CAMELLIA, cbc, CBC, CTS_FLAGS, 256, 128, 128, block) 91*b077aed3SPierre Pronchery/* ossl_camellia192cbc_cts_functions */ 92*b077aed3SPierre ProncheryIMPLEMENT_cts_cipher(camellia, CAMELLIA, cbc, CBC, CTS_FLAGS, 192, 128, 128, block) 93*b077aed3SPierre Pronchery/* ossl_camellia128cbc_cts_functions */ 94*b077aed3SPierre ProncheryIMPLEMENT_cts_cipher(camellia, CAMELLIA, cbc, CBC, CTS_FLAGS, 128, 128, 128, block) 95