* https://www.openssl.org/source/license.html
*/
-#include <stdio.h>
-#include <openssl/opensslconf.h>
-#include <openssl/params.h>
-#include <openssl/core_numbers.h>
-#include <openssl/core_names.h>
-#include <openssl/evp.h>
-#include <openssl/err.h>
-#include "internal/cryptlib.h"
-#include "internal/modes_int.h"
-#include "internal/provider_algs.h"
-#include "internal/providercommonerr.h"
-#include "internal/ciphermode_platform.h"
-
-#define GENERIC_BLOCK_SIZE 16
-#define IV_STATE_UNINITIALISED 0 /* initial state is not initialized */
-#define IV_STATE_BUFFERED 1 /* iv has been copied to the iv buffer */
-#define IV_STATE_COPIED 2 /* iv has been copied from the iv buffer */
-#define IV_STATE_FINISHED 3 /* the iv has been used - so don't reuse it */
-
-#define PROV_CIPHER_FUNC(type, name, args) typedef type (* OSSL_##name##_fn)args
-
-typedef struct prov_cipher_hw_st PROV_CIPHER_HW;
-typedef struct prov_cipher_ctx_st PROV_CIPHER_CTX;
-
-typedef int (PROV_CIPHER_HW_FN)(PROV_CIPHER_CTX *dat, unsigned char *out,
- const unsigned char *in, size_t len);
-
-struct prov_cipher_ctx_st {
- block128_f block;
- union {
- cbc128_f cbc;
- ctr128_f ctr;
- } stream;
-
- /*
- * num contains the number of bytes of |iv| which are valid for modes that
- * manage partial blocks themselves.
- */
- size_t num;
-
- int mode;
- int enc; /* Set to 1 for encrypt, or 0 otherwise */
- size_t bufsz; /* Number of bytes in buf */
- size_t keylen; /* key size (in bytes) */
- size_t blocksize;
- uint64_t flags;
- unsigned int pad : 1; /* Whether padding should be used or not */
-
- /* Buffer of partial blocks processed via update calls */
- unsigned char buf[GENERIC_BLOCK_SIZE];
- unsigned char iv[GENERIC_BLOCK_SIZE];
- const PROV_CIPHER_HW *hw; /* hardware specific functions */
- const void *ks; /* Pointer to algorithm specific key data */
-};
-
-struct prov_cipher_hw_st {
- int (*init)(PROV_CIPHER_CTX *dat, const uint8_t *key, size_t keylen);
- PROV_CIPHER_HW_FN *cipher;
-};
-
-OSSL_OP_cipher_encrypt_init_fn cipher_generic_einit;
-OSSL_OP_cipher_decrypt_init_fn cipher_generic_dinit;
-OSSL_OP_cipher_update_fn cipher_generic_block_update;
-OSSL_OP_cipher_final_fn cipher_generic_block_final;
-OSSL_OP_cipher_update_fn cipher_generic_stream_update;
-OSSL_OP_cipher_final_fn cipher_generic_stream_final;
-OSSL_OP_cipher_cipher_fn cipher_generic_cipher;
-OSSL_OP_cipher_get_ctx_params_fn cipher_generic_get_ctx_params;
-OSSL_OP_cipher_set_ctx_params_fn cipher_generic_set_ctx_params;
-OSSL_OP_cipher_gettable_params_fn cipher_default_gettable_params;
-OSSL_OP_cipher_gettable_ctx_params_fn cipher_default_gettable_ctx_params;
-OSSL_OP_cipher_settable_ctx_params_fn cipher_default_settable_ctx_params;
-OSSL_OP_cipher_gettable_ctx_params_fn cipher_aead_gettable_ctx_params;
-OSSL_OP_cipher_settable_ctx_params_fn cipher_aead_settable_ctx_params;
-int cipher_default_get_params(OSSL_PARAM params[], int md, unsigned long flags,
- int kbits, int blkbits, int ivbits);
-void cipher_generic_initkey(void *vctx, int kbits, int blkbits, int mode,
- const PROV_CIPHER_HW *ciph);
+#include "internal/ciphers/ciphercommon.h"
+
+#define CIPHER_DEFAULT_GETTABLE_CTX_PARAMS_START(name) \
+static const OSSL_PARAM name##_known_gettable_ctx_params[] = { \
+ OSSL_PARAM_int(OSSL_CIPHER_PARAM_KEYLEN, NULL), \
+ OSSL_PARAM_int(OSSL_CIPHER_PARAM_IVLEN, NULL), \
+ OSSL_PARAM_int(OSSL_CIPHER_PARAM_PADDING, NULL), \
+ OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_NUM, NULL), \
+ OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_IV, NULL, 0),
+
+#define CIPHER_DEFAULT_GETTABLE_CTX_PARAMS_END(name) \
+ OSSL_PARAM_END \
+}; \
+const OSSL_PARAM * name##_gettable_ctx_params(void) \
+{ \
+ return name##_known_gettable_ctx_params; \
+}
size_t fillblock(unsigned char *buf, size_t *buflen, size_t blocksize,
const unsigned char **in, size_t *inlen);
const unsigned char **in, size_t *inlen);
void padblock(unsigned char *buf, size_t *buflen, size_t blocksize);
int unpadblock(unsigned char *buf, size_t *buflen, size_t blocksize);
-
-#include "cipher_aes.h"
-#include "cipher_aria.h"
-#include "cipher_camellia.h"
-#include "cipher_gcm.h"
-#include "cipher_ccm.h"
-
-#define IMPLEMENT_generic_cipher(alg, UCALG, lcmode, UCMODE, flags, kbits, \
- blkbits, ivbits, typ) \
-static OSSL_OP_cipher_get_params_fn alg##_##kbits##_##lcmode##_get_params; \
-static int alg##_##kbits##_##lcmode##_get_params(OSSL_PARAM params[]) \
-{ \
- return cipher_default_get_params(params, EVP_CIPH_##UCMODE##_MODE, flags, \
- kbits, blkbits, ivbits); \
-} \
-static OSSL_OP_cipher_newctx_fn alg##_##kbits##_##lcmode##_newctx; \
-static void * alg##_##kbits##_##lcmode##_newctx(void *provctx) \
-{ \
- PROV_##UCALG##_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx)); \
- if (ctx != NULL) { \
- cipher_generic_initkey(ctx, kbits, blkbits, EVP_CIPH_##UCMODE##_MODE, \
- PROV_CIPHER_HW_##alg##_##lcmode(kbits)); \
- } \
- return ctx; \
-} \
-const OSSL_DISPATCH alg##kbits##lcmode##_functions[] = { \
- { OSSL_FUNC_CIPHER_NEWCTX, \
- (void (*)(void)) alg##_##kbits##_##lcmode##_newctx }, \
- { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void)) alg##_freectx }, \
- { OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void)) alg##_dupctx }, \
- { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))cipher_generic_einit }, \
- { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))cipher_generic_dinit }, \
- { OSSL_FUNC_CIPHER_UPDATE, (void (*)(void))cipher_generic_##typ##_update },\
- { OSSL_FUNC_CIPHER_FINAL, (void (*)(void))cipher_generic_##typ##_final }, \
- { OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))cipher_generic_cipher }, \
- { OSSL_FUNC_CIPHER_GET_PARAMS, \
- (void (*)(void)) alg##_##kbits##_##lcmode##_get_params }, \
- { OSSL_FUNC_CIPHER_GET_CTX_PARAMS, \
- (void (*)(void))cipher_generic_get_ctx_params }, \
- { OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \
- (void (*)(void))cipher_generic_set_ctx_params }, \
- { OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \
- (void (*)(void))cipher_default_gettable_params }, \
- { OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \
- (void (*)(void))cipher_default_gettable_ctx_params }, \
- { OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \
- (void (*)(void))cipher_default_settable_ctx_params }, \
- { 0, NULL } \
-};
-
-#define IMPLEMENT_aead_cipher(alg, lc, UCMODE, flags, kbits, blkbits, ivbits) \
-static OSSL_OP_cipher_get_params_fn alg##_##kbits##_##lc##_get_params; \
-static int alg##_##kbits##_##lc##_get_params(OSSL_PARAM params[]) \
-{ \
- return cipher_default_get_params(params, EVP_CIPH_##UCMODE##_MODE, \
- flags, kbits, blkbits, ivbits); \
-} \
-static OSSL_OP_cipher_newctx_fn alg##kbits##lc##_newctx; \
-static void * alg##kbits##lc##_newctx(void *provctx) \
-{ \
- return alg##_##lc##_newctx(provctx, kbits); \
-} \
-const OSSL_DISPATCH alg##kbits##lc##_functions[] = { \
- { OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))alg##kbits##lc##_newctx }, \
- { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))alg##_##lc##_freectx }, \
- { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void)) lc##_einit }, \
- { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void)) lc##_dinit }, \
- { OSSL_FUNC_CIPHER_UPDATE, (void (*)(void)) lc##_stream_update }, \
- { OSSL_FUNC_CIPHER_FINAL, (void (*)(void)) lc##_stream_final }, \
- { OSSL_FUNC_CIPHER_CIPHER, (void (*)(void)) lc##_cipher }, \
- { OSSL_FUNC_CIPHER_GET_PARAMS, \
- (void (*)(void)) alg##_##kbits##_##lc##_get_params }, \
- { OSSL_FUNC_CIPHER_GET_CTX_PARAMS, \
- (void (*)(void)) lc##_get_ctx_params }, \
- { OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \
- (void (*)(void)) lc##_set_ctx_params }, \
- { OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \
- (void (*)(void))cipher_default_gettable_params }, \
- { OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \
- (void (*)(void))cipher_aead_gettable_ctx_params }, \
- { OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \
- (void (*)(void))cipher_aead_settable_ctx_params }, \
- { 0, NULL } \
-}
-
-PROV_CIPHER_HW_FN cipher_hw_generic_cbc;
-PROV_CIPHER_HW_FN cipher_hw_generic_ecb;
-PROV_CIPHER_HW_FN cipher_hw_generic_ofb128;
-PROV_CIPHER_HW_FN cipher_hw_generic_cfb128;
-PROV_CIPHER_HW_FN cipher_hw_generic_cfb8;
-PROV_CIPHER_HW_FN cipher_hw_generic_cfb1;
-PROV_CIPHER_HW_FN cipher_hw_generic_ctr;
-PROV_CIPHER_HW_FN cipher_hw_chunked_cbc;
-PROV_CIPHER_HW_FN cipher_hw_chunked_cfb8;
-PROV_CIPHER_HW_FN cipher_hw_chunked_cfb128;
-PROV_CIPHER_HW_FN cipher_hw_chunked_ofb128;
-#define cipher_hw_chunked_ecb cipher_hw_generic_ecb
-#define cipher_hw_chunked_ctr cipher_hw_generic_ctr
-#define cipher_hw_chunked_cfb1 cipher_hw_generic_cfb1
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