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76 commits

Author SHA1 Message Date
Con Kolivas a901b015bf Revert "Try endian swap on dicSize." 
This reverts commit 74b0b71e0b.

Broken crap.
 2011-03-22 20:49:51 +11:00
ckolivas 74b0b71e0b Try endian swap on dicSize. 2011-03-22 18:15:18 +11:00
Con Kolivas 131d4c92c2 Modify the file format to not include rzip chunk size except for STDOUT chunked files thus decreasing the file format size further. 2011-03-22 09:04:24 +11:00
Con Kolivas 7101372167 memcpy is a silly way to set that variable which may be different size. 2011-03-22 08:19:21 +11:00
Con Kolivas 8614ede6e0 Should be doing endian change on variable, not pointer. 2011-03-22 08:03:05 +11:00
Con Kolivas 2736118f82 Check for different endian.h includes and variants of le32toh. 2011-03-22 07:57:32 +11:00
Con Kolivas a30efcaa55 Portable generic byteswap for BE. 2011-03-22 00:13:29 +11:00
Con Kolivas dfcce76594 BE #7 fixes. 2011-03-21 21:35:25 +11:00
Con Kolivas 8c8f5bdd48 lrz_crypt tweaks courtesy of Serge Belyshev. 2011-03-21 20:54:53 +11:00
Con Kolivas 738cde54ed More BE fixes. 2011-03-20 22:31:38 +11:00
Con Kolivas f87528d14d Forgot to include salt length for next head. 2011-03-20 17:01:33 +11:00
Con Kolivas 30b70dc884 Fixes for non little endian machines. 2011-03-20 16:16:38 +11:00
Con Kolivas 0dad7dcc5a Modify the encrypted version to not write down the rzip chunk size, then keep track of where each block header is written, go back and write 8 bytes of salt before it and encrypt the headers in place. 2011-03-20 15:45:44 +11:00
Con Kolivas 0b1db75a44 Cleanups. 2011-03-19 13:53:43 +11:00
Con Kolivas b11b5a0b5d Need to memset magic to zero to prevent garbage beign written to fields not written. 2011-03-19 01:16:21 +11:00
Con Kolivas 63fb1bafea Modify the file format further to make all block header information only encode the number of bytes determined in chunk_bytes instead of 8 full bytes all the time. 2011-03-18 23:18:36 +11:00
ckolivas 5005c2dff5 Get rid of extra data in new header and stick to old header size, compacting extra info into existing space. 2011-03-18 17:32:47 +11:00
ckolivas b8d8ecfe33 Fix warnings. 
Patch ~ by Serge Belyshev.
 2011-03-18 10:37:09 +11:00
ckolivas e856d481bf Discard hash_iv entirely, using passphrase hash and centralise key generation. 
Patch by Serge Belyshev.
 2011-03-18 10:22:58 +11:00
Con Kolivas a3e80871c2 Add 8 bytes of random data to the start of every encrypted compressed block and use it along with 8 bytes from the stored salt to make a unique key and IV for encryption. 2011-03-18 00:06:11 +11:00
ckolivas 9049263f6f Make fd_out read/write in preparation for reading, encrypting, and then writing header data back. 2011-03-17 17:36:52 +11:00
ckolivas 7cbf870679 fdout_seekto will not always be seeking to zero. 2011-03-17 17:25:23 +11:00
ckolivas e78069c0d7 Consolidate magic writing to be able to seek to read and encrypt block header data later. 2011-03-17 16:59:27 +11:00
ckolivas d63a9a02ff Use a separate IV for when it is sequentially updated in preparation for encrypting the headers as well. 2011-03-17 16:00:57 +11:00
ckolivas 9d496236c5 Read remainder of magic information for ver06 files when reading from STDIN. 
Refuse to decompress encrypted files from STDIN as well.
 2011-03-17 13:08:36 +11:00
ckolivas 0fd18f27f5 Remove redundant code and check return value of fgets. 2011-03-17 09:54:50 +11:00
Con Kolivas 4d72e6d765 Apply fixes so that ciphertext matches. Patch courtesy of Serge Belyshev. 2011-03-17 07:03:40 +11:00
Con Kolivas 5fd7c82e1f Implement ciphertext stealing to not have to pad compressed blocks courtesy of Serge Belyshev who saved me hours of debugging thanks! 2011-03-16 21:24:05 +11:00
Con Kolivas 57944b1d5c Zero, unlock and free ram more strictly. 2011-03-16 12:38:10 +11:00
Con Kolivas 7e71d8689f Put carriage returns in right place after password prompts. 2011-03-16 11:10:46 +11:00
Con Kolivas 928a0a098a Consolidate padded length throughout. 2011-03-16 10:29:16 +11:00
Con Kolivas f61632670e Encrypt the md5 value as well to make the file unidentifiable. 2011-03-16 00:29:10 +11:00
Con Kolivas bf1c1ababc Support correct seeking when doing get_fileinfo on encrypted archives. 2011-03-16 00:04:44 +11:00
Con Kolivas c5938c6a8b Implement the actual aes cbc encryption and decryption. 2011-03-15 23:52:39 +11:00
Con Kolivas acb023988f Generate sha512 hash and hash iv required to encrypt based on password, timestamp, loops and random salt. 2011-03-15 21:18:29 +11:00
Con Kolivas 412cf013c4 Implement passphrase input. 2011-03-15 16:32:32 +11:00
Con Kolivas 202d972a6c Add encryption -e option and flag encryption with a control flag, removing encrypt field. 2011-03-15 15:04:58 +11:00
Con Kolivas 65f901a83c Get the seconds, salt and encryption loop data before compressing. 
Store seconds in only 5 bytes which is enough for 400 years, leaving more room for random data.
 2011-03-15 14:41:47 +11:00
Con Kolivas 6a903eff8d Convert the usecs field to a dedicated salt one which has 6 random bytes and 2 encoded loops bytes. 2011-03-15 13:14:27 +11:00
ckolivas e26d0d1381 Clear the temporary infile where possible as well when we have falen back to it. 2011-03-15 11:27:07 +11:00
ckolivas 65a681a254 Relative offset is not required in tmp inbuf, it can be safely zeroed. 2011-03-15 11:21:26 +11:00
ckolivas fca5d4232c Refuse to perform file info from STDIN. 2011-03-15 09:56:45 +11:00
Con Kolivas 8a83741c32 Clear tmpinbuf between chunks. 2011-03-14 22:03:13 +11:00
Con Kolivas c832e80085 More infrastructure to read from temporary buffers on stdin decompression. 2011-03-14 21:19:57 +11:00
Con Kolivas 36e09f206e Begin massive read changes to support using temporary file for STDIN. 2011-03-14 20:22:45 +11:00
Con Kolivas 91b8382214 Read magic specially when decompressing from STDIN. 2011-03-14 18:16:14 +11:00
Con Kolivas d56c826725 Add fd_in field to struct rzip_control. 2011-03-14 14:58:41 +11:00
Con Kolivas 684959efed Add fields for temporary input buffer and clamp memory accordingly in preparation. 2011-03-14 14:47:26 +11:00
Con Kolivas 5f7a03932b Calculate the total expected size progressively and show it when it's not known. 2011-03-14 13:32:36 +11:00
Con Kolivas dc360b52dc Update message when dumping buffer and make it maxverbose only. 2011-03-14 12:54:40 +11:00