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digest_length

digest_obj.digest_length â Integer

Instance Public methods

Returns the length of the hash value of the digest in bytes.

Digest::SHA256.new.digest_length * 8
# => 256
Digest::SHA384.new.digest_length * 8
# => 384
Digest::SHA512.new.digest_length * 8
# => 512

For example, digests produced by Digest::SHA256 will always be 32 bytes (256 bits) in size.

Links:

https://github.com/ruby/ruby/blob/bab146b689043962de105882a4716c34114e2805/ext/digest/sha2/lib/sha2.rb#L95

doc_ruby_on_rails

2015-04-03 10:22:23

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