1 /* 2 * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 /* 11 * IDEA low level APIs are deprecated for public use, but still ok for internal 12 * use where we're using them to implement the higher level EVP interface, as is 13 * the case here. 14 */ 15 #include "internal/deprecated.h" 16 17 /* Dispatch functions for Idea cipher modes ecb, cbc, ofb, cfb */ 18 19 #include "cipher_idea.h" 20 #include "prov/implementations.h" 21 #include "prov/providercommon.h" 22 23 static OSSL_FUNC_cipher_freectx_fn idea_freectx; 24 static OSSL_FUNC_cipher_dupctx_fn idea_dupctx; 25 26 static void idea_freectx(void *vctx) 27 { 28 PROV_IDEA_CTX *ctx = (PROV_IDEA_CTX *)vctx; 29 30 ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx); 31 OPENSSL_clear_free(ctx, sizeof(*ctx)); 32 } 33 34 static void *idea_dupctx(void *ctx) 35 { 36 PROV_IDEA_CTX *in = (PROV_IDEA_CTX *)ctx; 37 PROV_IDEA_CTX *ret; 38 39 if (!ossl_prov_is_running()) 40 return NULL; 41 42 ret = OPENSSL_malloc(sizeof(*ret)); 43 if (ret == NULL) { 44 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE); 45 return NULL; 46 } 47 *ret = *in; 48 49 return ret; 50 } 51 52 /* ossl_idea128ecb_functions */ 53 IMPLEMENT_generic_cipher(idea, IDEA, ecb, ECB, 0, 128, 64, 0, block) 54 /* ossl_idea128cbc_functions */ 55 IMPLEMENT_generic_cipher(idea, IDEA, cbc, CBC, 0, 128, 64, 64, block) 56 /* ossl_idea128ofb64_functions */ 57 IMPLEMENT_generic_cipher(idea, IDEA, ofb64, OFB, 0, 128, 8, 64, stream) 58 /* ossl_idea128cfb64_functions */ 59 IMPLEMENT_generic_cipher(idea, IDEA, cfb64, CFB, 0, 128, 8, 64, stream) 60