般若心経SHA1

hannya.rb

require 'digest/sha1'
HANNYA_CHARS = [
 '観','菩','薩','行','深','般','若','波',
 '羅','蜜','多','時','照','見','五','蘊',
 '皆','空','度','苦','厄','舎','利','阿',
 '不','異','即','是','想','心','経','如'
]

def hannya_sha1(src)
	s = []
	bits = Digest::SHA1.digest(src).unpack("b*").join('')
	32.times{
		bits.sub!(/^[01]{5}/, '')
		s << HANNYA_CHARS[$&.to_i(2)]
	}

	s.join('')
end