Class: PageRankr::Ranks::Google::Checksum
- Inherits:
-
Object
- Object
- PageRankr::Ranks::Google::Checksum
- Defined in:
- lib/page_rankr/ranks/google/checksum.rb
Class Method Summary collapse
Class Method Details
.generate(site) ⇒ Object
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# File 'lib/page_rankr/ranks/google/checksum.rb', line 6 def generate(site) bytes = byte_array(site) length = bytes.length a = b = 0x9E3779B9 c = 0xE6359A60 k, len = 0, length while(len >= 12) a, b, c = mix(*shift(a, b, c, k, bytes)) k += 12 len -= 12 end c = c + length c = mix(*toss(a, b, c, bytes, len, k))[2] "6" + c.to_s end |