scrypt 1.2.0 released

[Colin Percival <cperciva@tarsnap.com>]

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Hi scrypt users,

I've just released scrypt 1.2.0.  You can download the scrypt code at
  http://www.tarsnap.com/scrypt/scrypt-1.2.0.tgz
and the tarball has SHA256 hash
  1754bc89405277c8ac14220377a4c240ddc34b1ce70882aa92cd01bfdc8569d4
which can also be found in the GPG-signed hash file at
  http://www.tarsnap.com/scrypt/scrypt-sigs-1.2.0.asc
.  I've also tagged the source tree from which I rolled this release at
https://github.com/Tarsnap/scrypt/tree/1.2.0 .

Significant changes since 1.1.6:
* You can now specify "-" as the input file, meaning standard input.
* Lots and lots of code reorganization, including changes to the build system.
* scrypt now consults the hw.memsize sysctl on relevant platforms to figure
out how much memory is available.  (This should help on OS X.)
* scrypt now detects and uses AESNI instructions for encryption/decryption.
* scrypt now detects and uses SSE2 instructions automatically (and thus there
is no longer an --enable-sse2 option to the configure script).

If anyone finds any bugs in this now... well, it's too late to get them fixed
before the release goes out, but I can always do a 1.2.1 release if necessary.

- -- 
Colin Percival
Security Officer Emeritus, FreeBSD | The power to serve
Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid
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