Update Changelog and bump version for 1.4 release.

Add license text to Salsa20 files.

Changelog

@@ -1,3 +1,42 @@
+== 1.4.0 Update Release ==
+Update couple more test parameters with new crypto options.
+Update README and test cases with new crypto options.
+Update usage text.
+Cleanup more stack parameters after use in various crypto functions.
+Fix increment of XSalsa20 192-bit nonce value.
+Handle nonce bytes in endian neutral way.
+Use 128-bit key length when decompressing older version archives.
+Add XSalsa20 encryption algorithm from the NaCL library.
+Include 128-bit key support based on the Salsa20 eSTREAM submission.
+Allow variable-length nonces.
+Use random bytes for initial nonce value.
+Increase PBE hash rounds to 50000.
+Move Scrypt helper function out of AES module.
+Change default encryption key length to 256 bits.
+Add optional ability to change key length at runtime via cli option.
+Include key length property in archive header.
+Fix header HMAC to include salt, nonce and key length properties.
+Retain backward compatibility to handle older format archives.
+Fix compilation of AES ASM code.
+Add AES-NI optimized code derived from latest OpenSSL upstream.
+Add AES instruction set detection.
+Add Vector Permute AES from OpenSSL 1.0.1e. Remain compatible with older OpenSSL versions.
+Add compatibility to decode old-format parallel hashes created with version 1.2.
+Bump archive version to 7 as parallel hashes are now merkle style hashes.
+Add lookup and insert functionality for global index.
+Use PPMd fallback for adapt2 if BSC is not enabled.
+Improve XML detection in adaptive mode.
+Make global dedupe bits buildable and fix errors.
+Rename Adaptive compression type constants to avoid conflict with global constants.
+Work in progress global dedupe.
+Fixes for issues/warnings reported in issue #4.
+Global dedupe work in progress.
+Use OpenMP parallelism when computing xxHashes for chunks.
+Use 2-stage Merkle Tree hashing for parallel hashes for better crypto properties.
+Update xxhash comment.
+Reduce dedupe hash table collisions by half.
+Improve Deduplication performance by another 95%.
+Start sliding window scanning near minimum chunk size boundaries to avoid scanning whole chunk.
 == 1.3.0 Major Performance Release ==
 Fix return from parallel versions of Keccak_Hash() function.
 Add parallel versions of various checksums for single-segment, single-thread compression.

crypto/xsalsa20/crypto_core_hsalsa20.h

@@ -1,3 +1,23 @@
+/*
+ * This file is a part of Pcompress, a chunked parallel multi-
+ * algorithm lossless compression and decompression program.
+ *
+ * Copyright (C) 2012 Moinak Ghosh. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * moinakg@belenix.org, http://moinakg.wordpress.com/
+ */
+
 #ifndef crypto_core_hsalsa20_H
 #define crypto_core_hsalsa20_H
 

crypto/xsalsa20/crypto_stream_salsa20.h

@@ -1,3 +1,23 @@
+/*
+ * This file is a part of Pcompress, a chunked parallel multi-
+ * algorithm lossless compression and decompression program.
+ *
+ * Copyright (C) 2012 Moinak Ghosh. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * moinakg@belenix.org, http://moinakg.wordpress.com/
+ */
+
 #ifndef crypto_stream_salsa20_H
 #define crypto_stream_salsa20_H
 

crypto/xsalsa20/crypto_xsalsa20.h

@@ -1,3 +1,23 @@
+/*
+ * This file is a part of Pcompress, a chunked parallel multi-
+ * algorithm lossless compression and decompression program.
+ *
+ * Copyright (C) 2012 Moinak Ghosh. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * moinakg@belenix.org, http://moinakg.wordpress.com/
+ */
+
 #ifndef crypto_xsalsa20_H
 #define crypto_xsalsa20_H
 

crypto/xsalsa20/hsalsa_core.c

@@ -1,3 +1,23 @@
+/*
+ * This file is a part of Pcompress, a chunked parallel multi-
+ * algorithm lossless compression and decompression program.
+ *
+ * Copyright (C) 2012 Moinak Ghosh. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * moinakg@belenix.org, http://moinakg.wordpress.com/
+ */
+
 /*
 version 20080912
 D. J. Bernstein

crypto/xsalsa20/stream.c

@@ -1,3 +1,23 @@
+/*
+ * This file is a part of Pcompress, a chunked parallel multi-
+ * algorithm lossless compression and decompression program.
+ *
+ * Copyright (C) 2012 Moinak Ghosh. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * moinakg@belenix.org, http://moinakg.wordpress.com/
+ */
+
 /*
 version 20080912
 D. J. Bernstein

crypto/xsalsa20/xsalsa20_xor.c

@@ -1,3 +1,23 @@
+/*
+ * This file is a part of Pcompress, a chunked parallel multi-
+ * algorithm lossless compression and decompression program.
+ *
+ * Copyright (C) 2012 Moinak Ghosh. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * moinakg@belenix.org, http://moinakg.wordpress.com/
+ */
+
 /*
 version 20080913
 D. J. Bernstein

pcompress.h

@@ -42,7 +42,7 @@ extern "C" {
 #define	FLAG_DEDUP	1
 #define	FLAG_DEDUP_FIXED	2
 #define	FLAG_SINGLE_CHUNK	4
-#define	UTILITY_VERSION	"1.3.0"
+#define	UTILITY_VERSION	"1.4.0"
 #define	MASK_CRYPTO_ALG	0x30
 #define	MAX_LEVEL	14