X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=crypt.h;h=9be7a23e6da4d6d1796d4d98da7d8280152c6c2a;hp=77806af6983895c13f3120f4f65c1c1d46b9b11d;hb=33e57c3a92e4c105504832b4bb106273ffcdc2a7;hpb=9c5fbc5dd8b53604d7e73fb6714ee2b5e3458866 diff --git a/crypt.h b/crypt.h index 77806af6..9be7a23e 100644 --- a/crypt.h +++ b/crypt.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2005-2013 Andre Noll + * Copyright (C) 2005 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -123,10 +123,12 @@ struct stream_cipher_context { * * \param data The key. * \param len The size of the key. + * \param use_aes True: Use the aes_ctr128 stream cipher, false: Use RC4. * * \return A new stream cipher structure. */ -struct stream_cipher *sc_new(const unsigned char *data, int len); +struct stream_cipher *sc_new(const unsigned char *data, int len, + bool use_aes); /** * Encrypt or decrypt a buffer using a stream cipher. @@ -165,75 +167,9 @@ _static_inline_ void sc_trafo(struct iovec *src, struct iovec *dst, */ void sc_free(struct stream_cipher *sc); -/** - * Encrypt and send a buffer. - * - * \param scc The context. - * \param buf The buffer to send. - * \param len The size of \a buf in bytes. - * - * \return The return value of the underyling call to write_all(). - * - * \sa \ref write_all(), RC4(3). - */ -int sc_send_bin_buffer(struct stream_cipher_context *scc, char *buf, - size_t len); - -/** - * Encrypt and send a \p NULL-terminated buffer. - * - * \param scc The context. - * \param buf The buffer to send. - * - * \return The return value of the underyling call to sc_send_bin_buffer(). - */ -int sc_send_buffer(struct stream_cipher_context *scc, char *buf); - -/** - * Format, encrypt and send a buffer. - * - * \param scc The context. - * \param fmt A format string. - * - * \return The return value of the underyling call to sc_send_buffer(). - */ -__printf_2_3 int sc_send_va_buffer(struct stream_cipher_context *scc, - const char *fmt, ...); - -/** - * Receive a buffer and decrypt it. - * - * \param scc The context. - * \param buf The buffer to write the decrypted data to. - * \param size The size of \a buf. - * - * \return The number of bytes received on success, negative on errors, zero if - * the peer has performed an orderly shutdown. - * - * \sa recv(2), RC4(3). - */ -int sc_recv_bin_buffer(struct stream_cipher_context *scc, char *buf, - size_t size); - -/** - * Receive a buffer, decrypt it and write terminating NULL byte. - * - * \param scc The context. - * \param buf The buffer to write the decrypted data to. - * \param size The size of \a buf. - * - * Read at most \a size - 1 bytes from file descriptor given by \a scc, decrypt - * the received data and write a NULL byte at the end of the decrypted data. - * - * \return The return value of the underlying call to \ref - * sc_recv_bin_buffer(). - */ -int sc_recv_buffer(struct stream_cipher_context *scc, char *buf, size_t size); - /** Size of the hash value in bytes. */ #define HASH_SIZE 20 - /** * Compute the hash of the given input data. *