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f41fd10d90
Fixes #15531 DES and TDES set this flag which could possibly be used by applications. The gettable cipher param OSSL_CIPHER_PARAM_HAS_RAND_KEY has been added. Note that EVP_CIPHER_CTX_rand_key() uses this flag. Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/15606)
104 lines
5.8 KiB
C
104 lines
5.8 KiB
C
/*
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* Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <openssl/des.h>
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#include <openssl/core_dispatch.h>
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#include "crypto/des_platform.h"
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#define DES_BLOCK_SIZE 8
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#define TDES_IVLEN 8
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#define TDES_FLAGS PROV_CIPHER_FLAG_RAND_KEY
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typedef struct prov_tdes_ctx_st {
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PROV_CIPHER_CTX base; /* Must be first */
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union {
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OSSL_UNION_ALIGN;
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DES_key_schedule ks[3];
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} tks;
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union {
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void (*cbc) (const void *, void *, size_t,
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const DES_key_schedule *, unsigned char *);
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} tstream;
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} PROV_TDES_CTX;
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#define IMPLEMENT_tdes_cipher(type, UCTYPE, lcmode, UCMODE, flags, \
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kbits, blkbits, ivbits, block) \
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static OSSL_FUNC_cipher_newctx_fn tdes_##type##_##lcmode##_newctx; \
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static void *tdes_##type##_##lcmode##_newctx(void *provctx) \
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{ \
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return ossl_tdes_newctx(provctx, EVP_CIPH_##UCMODE##_MODE, kbits, blkbits, \
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ivbits, flags, \
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ossl_prov_cipher_hw_tdes_##type##_##lcmode()); \
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} \
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static OSSL_FUNC_cipher_get_params_fn tdes_##type##_##lcmode##_get_params; \
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static int tdes_##type##_##lcmode##_get_params(OSSL_PARAM params[]) \
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{ \
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return ossl_cipher_generic_get_params(params, EVP_CIPH_##UCMODE##_MODE, \
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flags, kbits, blkbits, ivbits); \
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} \
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const OSSL_DISPATCH ossl_tdes_##type##_##lcmode##_functions[] = { \
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{ OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))ossl_tdes_einit }, \
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{ OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))ossl_tdes_dinit }, \
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{ OSSL_FUNC_CIPHER_UPDATE, \
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(void (*)(void))ossl_cipher_generic_##block##_update }, \
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{ OSSL_FUNC_CIPHER_FINAL, \
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(void (*)(void))ossl_cipher_generic_##block##_final }, \
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{ OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))ossl_cipher_generic_cipher }, \
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{ OSSL_FUNC_CIPHER_NEWCTX, \
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(void (*)(void))tdes_##type##_##lcmode##_newctx }, \
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{ OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void))ossl_tdes_dupctx }, \
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{ OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))ossl_tdes_freectx }, \
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{ OSSL_FUNC_CIPHER_GET_PARAMS, \
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(void (*)(void))tdes_##type##_##lcmode##_get_params }, \
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{ OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \
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(void (*)(void))ossl_cipher_generic_gettable_params }, \
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{ OSSL_FUNC_CIPHER_GET_CTX_PARAMS, \
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(void (*)(void))ossl_tdes_get_ctx_params }, \
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{ OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \
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(void (*)(void))ossl_tdes_gettable_ctx_params }, \
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{ OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \
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(void (*)(void))ossl_cipher_generic_set_ctx_params }, \
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{ OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \
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(void (*)(void))ossl_cipher_generic_settable_ctx_params }, \
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{ 0, NULL } \
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}
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void *ossl_tdes_newctx(void *provctx, int mode, size_t kbits, size_t blkbits,
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size_t ivbits, uint64_t flags, const PROV_CIPHER_HW *hw);
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OSSL_FUNC_cipher_dupctx_fn ossl_tdes_dupctx;
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OSSL_FUNC_cipher_freectx_fn ossl_tdes_freectx;
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OSSL_FUNC_cipher_encrypt_init_fn ossl_tdes_einit;
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OSSL_FUNC_cipher_decrypt_init_fn ossl_tdes_dinit;
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OSSL_FUNC_cipher_get_ctx_params_fn ossl_tdes_get_ctx_params;
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OSSL_FUNC_cipher_gettable_ctx_params_fn ossl_tdes_gettable_ctx_params;
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#define PROV_CIPHER_HW_tdes_mode(type, mode) \
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static const PROV_CIPHER_HW type##_##mode = { \
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ossl_cipher_hw_tdes_##type##_initkey, \
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ossl_cipher_hw_tdes_##mode, \
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ossl_cipher_hw_tdes_copyctx \
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}; \
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const PROV_CIPHER_HW *ossl_prov_cipher_hw_tdes_##type##_##mode(void) \
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{ \
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return &type##_##mode; \
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}
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int ossl_cipher_hw_tdes_ede3_initkey(PROV_CIPHER_CTX *ctx,
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const unsigned char *key, size_t keylen);
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void ossl_cipher_hw_tdes_copyctx(PROV_CIPHER_CTX *dst,
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const PROV_CIPHER_CTX *src);
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int ossl_cipher_hw_tdes_cbc(PROV_CIPHER_CTX *ctx, unsigned char *out,
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const unsigned char *in, size_t inl);
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int ossl_cipher_hw_tdes_ecb(PROV_CIPHER_CTX *ctx, unsigned char *out,
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const unsigned char *in, size_t len);
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const PROV_CIPHER_HW *ossl_prov_cipher_hw_tdes_ede3_cbc(void);
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const PROV_CIPHER_HW *ossl_prov_cipher_hw_tdes_ede3_ecb(void);
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