Digest::Base -

# abstract class Digest::Base

- Digest::Base
- Reference
- Object

## Direct Known Subclasses

- Digest::MD5
- Digest::SHA1

## Defined in:

## Class Method Summary

- .base64digest(data) : String

  Returns the base64-encoded hash of data.

- .base64digest(&block) : String

  Returns the base64-encoded hash of data.

- .digest(data)

  Returns the hash of data.

- .digest(&block)

  Yields a context object with an `#update(data : String | Bytes)` method available.

- .hexdigest(data) : String

  Returns the hexadecimal representation of the hash of data.

- .hexdigest(&block) : String

  Yields a context object with an `#update(data : String | Bytes)` method available.

### Instance methods inherited from class `Reference`

==(other : self)
==(other : JSON::Any)
==(other : YAML::Any)
==(other) ==, dup dup, hash(hasher) hash, inspect(io : IO) : Nil inspect, object_id : UInt64 object_id, pretty_print(pp) : Nil pretty_print, same?(other : Reference)
same?(other : Nil) same?, to_s(io : IO) : Nil to_s

### Constructor methods inherited from class `Reference`

new new

### Instance methods inherited from class `Object`

!=(other) !=, !~(other) !~, ==(other) ==, ===(other : JSON::Any)
===(other : YAML::Any)
===(other) ===, =~(other) =~, class class, dup dup, hash(hasher)
hash hash, inspect(io : IO) : Nil
inspect : String inspect, itself itself, not_nil! not_nil!, pretty_inspect(width = 79, newline = "\n", indent = 0) : String pretty_inspect, pretty_print(pp : PrettyPrint) : Nil pretty_print, tap(&block) tap, to_json(io : IO)
to_json to_json, to_pretty_json(indent : String = " ")
to_pretty_json(io : IO, indent : String = " ") to_pretty_json, to_s : String
to_s(io : IO) : Nil to_s, to_yaml(io : IO)
to_yaml to_yaml, try(&block) try, unsafe_as(type : T.class) forall T unsafe_as

### Constructor methods inherited from class `Object`

from_json(string_or_io, root : String) : self
from_json(string_or_io) : self from_json, from_yaml(string_or_io : String | IO) : self from_yaml

## Class Method Detail

def self.base64digest(data) : String #

Returns the base64-encoded hash of data.

    require "digest/sha1"

    Digest::SHA1.base64digest("foo") # => "C+7Hteo/D9vJXQ3UfzxbwnXaijM="

def self.base64digest(&block) : String #

Returns the base64-encoded hash of data.

    require "digest/sha1"

    Digest::SHA1.base64digest do |ctx|
      ctx.update "f"
      ctx.update "oo"
    end
    # => "C+7Hteo/D9vJXQ3UfzxbwnXaijM="

def self.digest(data) #

Returns the hash of data. data must respond to `#to_slice`.

def self.digest(&block) #

Yields a context object with an `#update(data : String | Bytes)` method available. Returns the resulting digest afterwards.

    require "digest/md5"

    digest = Digest::MD5.digest do |ctx|
      ctx.update "f"
      ctx.update "oo"
    end
    digest.to_slice.hexstring # => "acbd18db4cc2f85cedef654fccc4a4d8"

def self.hexdigest(data) : String #

Returns the hexadecimal representation of the hash of data.

    require "digest/md5"

    Digest::MD5.hexdigest("foo") # => "acbd18db4cc2f85cedef654fccc4a4d8"

def self.hexdigest(&block) : String #

Yields a context object with an `#update(data : String | Bytes)` method available. Returns the resulting digest in hexadecimal representation afterwards.

    require "digest/md5"

    Digest::MD5.hexdigest("foo") # => "acbd18db4cc2f85cedef654fccc4a4d8"
    Digest::MD5.hexdigest do |ctx|
      ctx.update "f"
      ctx.update "oo"
    end
    # => "acbd18db4cc2f85cedef654fccc4a4d8"