Flatten Mbed TLS directory structure

third_party/mbedtls/cipher_internal.h

@@ -0,0 +1,152 @@
+/* clang-format off */
+
+/**
+ * \file cipher_internal.h
+ *
+ * \brief Cipher wrappers.
+ *
+ * \author Adriaan de Jong <dejong@fox-it.com>
+ */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+#ifndef MBEDTLS_CIPHER_WRAP_H
+#define MBEDTLS_CIPHER_WRAP_H
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "third_party/mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#include "third_party/mbedtls/cipher.h"
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+#include "third_party/mbedtls/crypto.h"
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Base cipher information. The non-mode specific functions and values.
+ */
+struct mbedtls_cipher_base_t
+{
+    /** Base Cipher type (e.g. MBEDTLS_CIPHER_ID_AES) */
+    mbedtls_cipher_id_t cipher;
+
+    /** Encrypt using ECB */
+    int (*ecb_func)( void *ctx, mbedtls_operation_t mode,
+                     const unsigned char *input, unsigned char *output );
+
+#if defined(MBEDTLS_CIPHER_MODE_CBC)
+    /** Encrypt using CBC */
+    int (*cbc_func)( void *ctx, mbedtls_operation_t mode, size_t length,
+                     unsigned char *iv, const unsigned char *input,
+                     unsigned char *output );
+#endif
+
+#if defined(MBEDTLS_CIPHER_MODE_CFB)
+    /** Encrypt using CFB (Full length) */
+    int (*cfb_func)( void *ctx, mbedtls_operation_t mode, size_t length, size_t *iv_off,
+                     unsigned char *iv, const unsigned char *input,
+                     unsigned char *output );
+#endif
+
+#if defined(MBEDTLS_CIPHER_MODE_OFB)
+    /** Encrypt using OFB (Full length) */
+    int (*ofb_func)( void *ctx, size_t length, size_t *iv_off,
+                     unsigned char *iv,
+                     const unsigned char *input,
+                     unsigned char *output );
+#endif
+
+#if defined(MBEDTLS_CIPHER_MODE_CTR)
+    /** Encrypt using CTR */
+    int (*ctr_func)( void *ctx, size_t length, size_t *nc_off,
+                     unsigned char *nonce_counter, unsigned char *stream_block,
+                     const unsigned char *input, unsigned char *output );
+#endif
+
+#if defined(MBEDTLS_CIPHER_MODE_XTS)
+    /** Encrypt or decrypt using XTS. */
+    int (*xts_func)( void *ctx, mbedtls_operation_t mode, size_t length,
+                     const unsigned char data_unit[16],
+                     const unsigned char *input, unsigned char *output );
+#endif
+
+#if defined(MBEDTLS_CIPHER_MODE_STREAM)
+    /** Encrypt using STREAM */
+    int (*stream_func)( void *ctx, size_t length,
+                        const unsigned char *input, unsigned char *output );
+#endif
+
+    /** Set key for encryption purposes */
+    int (*setkey_enc_func)( void *ctx, const unsigned char *key,
+                            unsigned int key_bitlen );
+
+    /** Set key for decryption purposes */
+    int (*setkey_dec_func)( void *ctx, const unsigned char *key,
+                            unsigned int key_bitlen);
+
+    /** Allocate a new context */
+    void * (*ctx_alloc_func)( void );
+
+    /** Free the given context */
+    void (*ctx_free_func)( void *ctx );
+
+};
+
+typedef struct
+{
+    mbedtls_cipher_type_t type;
+    const mbedtls_cipher_info_t *info;
+} mbedtls_cipher_definition_t;
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+typedef enum
+{
+    MBEDTLS_CIPHER_PSA_KEY_UNSET = 0,
+    MBEDTLS_CIPHER_PSA_KEY_OWNED, /* Used for PSA-based cipher contexts which */
+                                  /* use raw key material internally imported */
+                                  /* as a volatile key, and which hence need  */
+                                  /* to destroy that key when the context is  */
+                                  /* freed.                                   */
+    MBEDTLS_CIPHER_PSA_KEY_NOT_OWNED, /* Used for PSA-based cipher contexts   */
+                                      /* which use a key provided by the      */
+                                      /* user, and which hence will not be    */
+                                      /* destroyed when the context is freed. */
+} mbedtls_cipher_psa_key_ownership;
+
+typedef struct
+{
+    psa_algorithm_t alg;
+    psa_key_id_t slot;
+    mbedtls_cipher_psa_key_ownership slot_state;
+} mbedtls_cipher_context_psa;
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+extern const mbedtls_cipher_definition_t mbedtls_cipher_definitions[];
+
+extern int mbedtls_cipher_supported[];
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MBEDTLS_CIPHER_WRAP_H */