diff options
Diffstat (limited to 'providers/common/include/internal/ciphers/cipher_tdes.h')
| -rw-r--r-- | providers/common/include/internal/ciphers/cipher_tdes.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/providers/common/include/internal/ciphers/cipher_tdes.h b/providers/common/include/internal/ciphers/cipher_tdes.h new file mode 100644 index 0000000000..0d3c90c0af --- /dev/null +++ b/providers/common/include/internal/ciphers/cipher_tdes.h @@ -0,0 +1,96 @@ +/* + * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <openssl/des.h> +#include <openssl/core_numbers.h> + +#define DES_BLOCK_SIZE 8 +#define TDES_IVLEN 8 + +/* TODO(3.0) Figure out what flags need to be here */ +#define TDES_FLAGS (EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_DEFAULT_ASN1) + +typedef struct prov_tdes_ctx_st { + PROV_CIPHER_CTX base; /* Must be first */ + union { + OSSL_UNION_ALIGN; + DES_key_schedule ks[3]; + } tks; + union { + void (*cbc) (const void *, void *, size_t, + const DES_key_schedule *, unsigned char *); + } tstream; + +} PROV_TDES_CTX; + +#define IMPLEMENT_tdes_cipher(type, UCTYPE, lcmode, UCMODE, flags, \ + kbits, blkbits, ivbits, block) \ +static OSSL_OP_cipher_newctx_fn tdes_##type##_##lcmode##_newctx; \ +static void *tdes_##type##_##lcmode##_newctx(void *provctx) \ +{ \ + return tdes_newctx(provctx, EVP_CIPH_##UCMODE##_MODE, kbits, blkbits, \ + ivbits, PROV_CIPHER_HW_tdes_##type##_##lcmode()); \ +} \ +static OSSL_OP_cipher_get_params_fn tdes_##type##_##lcmode##_get_params; \ +static int tdes_##type##_##lcmode##_get_params(OSSL_PARAM params[]) \ +{ \ + return cipher_generic_get_params(params, EVP_CIPH_##UCMODE##_MODE, flags, \ + kbits, blkbits, ivbits); \ +} \ +const OSSL_DISPATCH tdes_##type##_##lcmode##_functions[] = { \ + { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))tdes_einit }, \ + { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))tdes_dinit }, \ + { OSSL_FUNC_CIPHER_UPDATE, \ + (void (*)(void))cipher_generic_##block##_update }, \ + { OSSL_FUNC_CIPHER_FINAL, (void (*)(void))cipher_generic_##block##_final },\ + { OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))cipher_generic_cipher }, \ + { OSSL_FUNC_CIPHER_NEWCTX, \ + (void (*)(void))tdes_##type##_##lcmode##_newctx }, \ + { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))tdes_freectx }, \ + { OSSL_FUNC_CIPHER_GET_PARAMS, \ + (void (*)(void))tdes_##type##_##lcmode##_get_params }, \ + { OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \ + (void (*)(void))cipher_generic_gettable_params }, \ + { OSSL_FUNC_CIPHER_GET_CTX_PARAMS, (void (*)(void))tdes_get_ctx_params }, \ + { OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \ + (void (*)(void))tdes_gettable_ctx_params }, \ + { OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \ + (void (*)(void))cipher_generic_set_ctx_params }, \ + { OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \ + (void (*)(void))cipher_generic_settable_ctx_params }, \ + { 0, NULL } \ +} + +void *tdes_newctx(void *provctx, int mode, size_t kbits, size_t blkbits, + size_t ivbits, const PROV_CIPHER_HW *hw); +OSSL_OP_cipher_freectx_fn tdes_freectx; +OSSL_OP_cipher_encrypt_init_fn tdes_einit; +OSSL_OP_cipher_decrypt_init_fn tdes_dinit; +OSSL_OP_cipher_get_ctx_params_fn tdes_get_ctx_params; +OSSL_OP_cipher_gettable_ctx_params_fn tdes_gettable_ctx_params; + +#define PROV_CIPHER_HW_tdes_mode(type, mode) \ +static const PROV_CIPHER_HW type##_##mode = { \ + cipher_hw_tdes_##type##_initkey, \ + cipher_hw_tdes_##mode \ +}; \ +const PROV_CIPHER_HW *PROV_CIPHER_HW_tdes_##type##_##mode(void) \ +{ \ + return &type##_##mode; \ +} + +int cipher_hw_tdes_ede3_initkey(PROV_CIPHER_CTX *ctx, const unsigned char *key, + size_t keylen); +int cipher_hw_tdes_cbc(PROV_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl); +int cipher_hw_tdes_ecb(PROV_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len); + +const PROV_CIPHER_HW *PROV_CIPHER_HW_tdes_ede3_cbc(void); +const PROV_CIPHER_HW *PROV_CIPHER_HW_tdes_ede3_ecb(void); |