Convert cipher.hh to plain C

1 files changed, 0 insertions, 132 deletions

diff --git a/include/olm/cipher.hh b/include/olm/cipher.hh
deleted file mode 100644
index c561972..0000000
--- a/include/olm/cipher.hh
+++ /dev/null
@@ -1,132 +0,0 @@
-/* Copyright 2015 OpenMarket Ltd
- *
- * 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 OLM_CIPHER_HH_
-#define OLM_CIPHER_HH_
-
-#include <cstdint>
-#include <cstddef>
-
-namespace olm {
-
-class Cipher {
-public:
-    virtual ~Cipher();
-
-    /**
-     * Returns the length of the message authentication code that will be
-     * appended to the output.
-     */
-    virtual std::size_t mac_length() const = 0;
-
-    /**
-     * Returns the length of cipher-text for a given length of plain-text.
-     */
-    virtual std::size_t encrypt_ciphertext_length(
-        std::size_t plaintext_length
-    ) const = 0;
-
-    /*
-     * Encrypts the plain-text into the output buffer and authenticates the
-     * contents of the output buffer covering both cipher-text and any other
-     * associated data in the output buffer.
-     *
-     *  |---------------------------------------output_length-->|
-     *  output  |--ciphertext_length-->|       |---mac_length-->|
-     *          ciphertext
-     *
-     * The plain-text pointers and cipher-text pointers may be the same.
-     *
-     * Returns std::size_t(-1) if the length of the cipher-text or the output
-     * buffer is too small. Otherwise returns the length of the output buffer.
-     */
-    virtual std::size_t encrypt(
-        std::uint8_t const * key, std::size_t key_length,
-        std::uint8_t const * plaintext, std::size_t plaintext_length,
-        std::uint8_t * ciphertext, std::size_t ciphertext_length,
-        std::uint8_t * output, std::size_t output_length
-    ) const = 0;
-
-    /**
-     * Returns the maximum length of plain-text that a given length of
-     * cipher-text can contain.
-     */
-    virtual std::size_t decrypt_max_plaintext_length(
-        std::size_t ciphertext_length
-    ) const = 0;
-
-    /**
-     * Authenticates the input and decrypts the cipher-text into the plain-text
-     * buffer.
-     *
-     *  |----------------------------------------input_length-->|
-     *  input   |--ciphertext_length-->|       |---mac_length-->|
-     *          ciphertext
-     *
-     * The plain-text pointers and cipher-text pointers may be the same.
-     *
-     *  Returns std::size_t(-1) if the length of the plain-text buffer is too
-     *  small or if the authentication check fails. Otherwise returns the length
-     *  of the plain text.
-     */
-    virtual std::size_t decrypt(
-       std::uint8_t const * key, std::size_t key_length,
-       std::uint8_t const * input, std::size_t input_length,
-       std::uint8_t const * ciphertext, std::size_t ciphertext_length,
-       std::uint8_t * plaintext, std::size_t max_plaintext_length
-    ) const = 0;
-};
-
-
-class CipherAesSha256 : public Cipher {
-public:
-    CipherAesSha256(
-        std::uint8_t const * kdf_info, std::size_t kdf_info_length
-    );
-
-    virtual std::size_t mac_length() const;
-
-    virtual std::size_t encrypt_ciphertext_length(
-        std::size_t plaintext_length
-    ) const;
-
-    virtual std::size_t encrypt(
-        std::uint8_t const * key, std::size_t key_length,
-        std::uint8_t const * plaintext, std::size_t plaintext_length,
-        std::uint8_t * ciphertext, std::size_t ciphertext_length,
-        std::uint8_t * output, std::size_t output_length
-    ) const;
-
-    virtual std::size_t decrypt_max_plaintext_length(
-        std::size_t ciphertext_length
-    ) const;
-
-    virtual std::size_t decrypt(
-        std::uint8_t const * key, std::size_t key_length,
-        std::uint8_t const * input, std::size_t input_length,
-        std::uint8_t const * ciphertext, std::size_t ciphertext_length,
-        std::uint8_t * plaintext, std::size_t max_plaintext_length
-    ) const;
-
-private:
-    std::uint8_t const * kdf_info;
-    std::size_t kdf_info_length;
-};
-
-
-} // namespace
-
-
-#endif /* OLM_CIPHER_HH_ */