Class: String

Inherits:

Object

• Object
• String

Defined in:

lib/yubikey/hex.rb

Instance Method Summary

• #hex? ⇒ Boolean

  Check if the string is hex encoded.

• #modhex? ⇒ Boolean

  Check if the string is modhex encoded.

• #to_bin ⇒ Object

  Convert hex string to binary.

• #to_hex ⇒ Object

  Convert binary string to hex.

Instance Method Details

#hex? ⇒ Boolean

Check if the string is hex encoded

Returns:

• (Boolean)

# File 'lib/yubikey/hex.rb', line 14

def hex?
  self =~ /^[0-9a-fA-F]+$/ ? true : false
end

#modhex? ⇒ Boolean

Check if the string is modhex encoded

Returns:

• (Boolean)

# File 'lib/yubikey/hex.rb', line 19

def modhex?
  self =~ /^[cbdefghijklnrtuv]+$/ ? true : false
end

#to_bin ⇒ Object

Convert hex string to binary

# File 'lib/yubikey/hex.rb', line 4

def to_bin
  to_a.pack('H*')
end

#to_hex ⇒ Object

Convert binary string to hex

# File 'lib/yubikey/hex.rb', line 9

def to_hex
  unpack('H*')[0]
end