--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dav/crypto.h Mon Aug 12 14:40:19 2013 +0200 @@ -0,0 +1,70 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. + * + * Copyright 2013 Olaf Wintermann. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef DAV_CRYPTO_H +#define DAV_CRYPTO_H + +#include "webdav.h" +#include "config.h" +#include <openssl/evp.h> + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + EVP_CIPHER_CTX ctx; + void *stream; + dav_write_func write; +} AESDecrypter; + +typedef struct { + EVP_CIPHER_CTX ctx; + void *stream; + dav_read_func read; + char *tmp; + size_t tmplen; + size_t tmpoff; + int end; +} AESEncrypter; + +AESDecrypter* aes_decrypter_new(Key *key, void *stream, dav_write_func write_func); +size_t aes_write(const void *buf, size_t s, size_t n, AESDecrypter *dec); +void aes_decrypter_close(AESDecrypter *dec); +void aes_decrypter_close2(EVP_CIPHER_CTX *ctx); + +AESEncrypter* aes_encrypter_new(Key *key, void *stream, dav_read_func read_func); +size_t aes_read(void *buf, size_t s, size_t n, AESEncrypter *enc); +void aes_encrypter_close(AESEncrypter *enc); + +#ifdef __cplusplus +} +#endif + +#endif /* DAV_CRYPTO_H */ +