Module: Sigstore::TUF::BaseFile::ClassMethods

Defined in:
lib/sigstore/tuf/file.rb

Instance Method Summary collapse

Instance Method Details

#validate_hashes(hashes) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/sigstore/tuf/file.rb', line 45

def validate_hashes(hashes)
  raise ArgumentError, "hashes must be non-empty" if hashes.empty?

  hashes.each do |algorithm, hash|
    raise TypeError, "hashes items must be strings" unless algorithm.is_a?(String) && hash.is_a?(String)
  end
end

#validate_length(length) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/sigstore/tuf/file.rb', line 53

def validate_length(length)
  return unless length.negative?

  raise ArgumentError, "length must be a non-negative integer, got #{length.inspect}"
end

#verify_hashes(data, expected_hashed) ⇒ Object 



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# File 'lib/sigstore/tuf/file.rb', line 27

def verify_hashes(data, expected_hashed)
  expected_hashed.each do |algorithm, expected_hash|
    actual_hash = Digest(algorithm.upcase).hexdigest(data)
    unless actual_hash == expected_hash
      raise Error::LengthOrHashMismatch,
            "observed hash #{actual_hash} does not match expected hash #{expected_hash}"
    end
  end
end

#verify_length(data, expected_length) ⇒ Object

Raises:



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# File 'lib/sigstore/tuf/file.rb', line 37

def verify_length(data, expected_length)
  actual_length = data.bytesize
  return if actual_length == expected_length

  raise Error::LengthOrHashMismatch,
        "Observed length #{actual_length} does not match expected length #{expected_length}"
end