Cryptsetup benchmarks for a Dell 17r.

For no good reason today I decided to run some cryptsetup benchmarks on Windbringer. The only really significant change to the systemware configuration is that Windbringer is now running Linux kernel version 3.9.4-1-ARCH.

[drwho@windbringer ~]$ cryptsetup benchmark
# Tests are approximate using memory only (no storage IO).
PBKDF2-sha1 407688 iterations per second
PBKDF2-sha256 222155 iterations per second
PBKDF2-sha512 144511 iterations per second
PBKDF2-ripemd160 334367 iterations per second
PBKDF2-whirlpool 187245 iterations per second
# Algorithm | Key | Encryption | Decryption
aes-cbc 128b 563.0 MiB/s 1862.0 MiB/s
serpent-cbc 128b 67.7 MiB/s 281.0 MiB/s
twofish-cbc 128b 158 …


Title restored - so how did I spent my weekend, anyway?

Unfortunately, I spent much of last Friday asleep, recovering after a routine filling went south and turned into an emergency root canal. I don't know what does it about the procedure, but it wipes me out completely - it might be the body reacting to having a part of it removed with what amounts to tiny drill bits, or it might be the knowledge of it. For all I know, it could be the aftereffects of multiple injections of local anesthetic that happens to contain epinephrine, which would logically bring about a fight-or-flight reaction as the syringe-loads naturally leaked into the …