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Author SHA1 Message Date
Con Kolivas fd9bbfe64a One last check on limit. 2011-03-21 07:33:35 +11:00
Con Kolivas 738cde54ed More BE fixes. 2011-03-20 22:31:38 +11:00
Con Kolivas 77d44ce108 Disable output when it's not known. More endian fixes. 2011-03-20 22:22:54 +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 1ade3bcc2f Update file format information for encrypted files. 2011-03-20 15:55:09 +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 e7d33e82d0 Make read_1g able to read from the tmp outbuf if we decide to read from fd_out. 2011-03-19 14:46:06 +11:00
Con Kolivas ff5a5ed054 Use separate lrz_encrypt and lrz_decrypt wrappers to lrz_crypt. 2011-03-19 14:04:22 +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 1b05ad0750 Update READMEs. 2011-03-19 00:31:17 +11:00
Con Kolivas 53a6dfd723 Add manpage entry for encryption option. 2011-03-18 23:38:02 +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 4bc23ee001 Centralise where all encryption/decryption is done, and whether to carry over the IV or not. 2011-03-17 14:10:58 +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 ae63349e3c We do need to seek to read the MD5 correctly on very small files so support seeking to end and then seek to the md5 start. 2011-03-17 11:53:29 +11:00
ckolivas 660243b8dc Pad out first block if less than CBC_LEN and encrypting or else encryption will fail. 2011-03-17 11:19:34 +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 76280ffec5 Mlock ivec for it will hold the injection vector. 2011-03-17 00:25:15 +11:00
Con Kolivas a7468ce6e4 Fail if block to encrypt ends up being less than one full block for now, and tidy up code. 2011-03-16 23:13:09 +11:00
Con Kolivas c41cfe9e83 Some decompression code needs more room so simply allocate u_len for s_buf. 2011-03-16 21:48:21 +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 f758773cd0 Fix one minor leak. 2011-03-16 13:29:47 +11:00
Con Kolivas 57944b1d5c Zero, unlock and free ram more strictly. 2011-03-16 12:38:10 +11:00
Con Kolivas b302e6b9ad Better make length a long long int in aes_crypt_cbc just in case. 2011-03-16 12:11:22 +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 bedea4dbec Consolidate cbc padding into a macro. 2011-03-16 10:17:48 +11:00
Con Kolivas ddcc45ebf0 Revert "aes_crypt_cbc always returns zero so ignore its return value." 
This reverts commit 4314970b0d.

Oops, it can return invalid length.
 2011-03-16 10:00:20 +11:00
Con Kolivas 2d2a9bc1e9 We're freeing the wrong buffer by mistake should decompression fail. 2011-03-16 09:50:30 +11:00
Con Kolivas 4314970b0d aes_crypt_cbc always returns zero so ignore its return value. 2011-03-16 08:39:05 +11:00
Con Kolivas 519123966a total_read field is no longer used. 2011-03-16 08:32:16 +11:00
Con Kolivas e1af8fb0c0 Remove unused functions from aes.c and sha4.c 2011-03-16 00:51:28 +11:00
Con Kolivas 5da0633893 aes_crypt_cbc will allow you to work on the same buffer, so don't bother allocating a separate buffer. 
Allocate slightly more on the buffer that might be used for encryption rather than reallocing.
 2011-03-16 00:46:39 +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 bc86829763 Modify aes and sha from polar to build into lrzip. 2011-03-15 20:22:26 +11:00
Con Kolivas ff4b8303a7 Import aes and sha2 libraries from polarssl code. 2011-03-15 20:07:15 +11:00