Crypt::PBKDF2::Hash::HMACSHA1(3pm) on Linux

The text ca9dac3d00db, as Debian 8 (Jessie) shipped it.

HMAC-SHA1 support for Crypt::PBKDF2 using Digest::SHA

Crypt::PBKDF2::Hash::HMACSHA1(3pm) on Linux now