class Digest::SHA2

def block_length

# => 1024
Digest::SHA512.new.block_length * 8
# => 1024
Digest::SHA384.new.block_length * 8
# => 512
Digest::SHA256.new.block_length * 8

Return the block length of the digest in bytes.

digest_obj.block_length -> Integer
call-seq: 
def block_length
  @sha2.block_length
end