Module: Sekrets::Blowfish
Instance Method Summary collapse
- #cipher(mode, key, data) ⇒ Object
- #cycle(key, data) ⇒ Object
- #decrypt(key, text) ⇒ Object
- #encrypt(key, data) ⇒ Object
- #recrypt(old_key, new_key, data) ⇒ Object
Instance Method Details
#cipher(mode, key, data) ⇒ Object
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# File 'lib/sekrets.rb', line 318 def cipher(mode, key, data) cipher = OpenSSL::Cipher.new('bf-cbc').send(mode) cipher.key = Digest::SHA256.digest(key.to_s).slice(0,16) cipher.update(data) << cipher.final end |
#cycle(key, data) ⇒ Object
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# File 'lib/sekrets.rb', line 332 def cycle(key, data) decrypt(key, encrypt(key, data)) end |
#decrypt(key, text) ⇒ Object
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# File 'lib/sekrets.rb', line 328 def decrypt(key, text) cipher(:decrypt, key, text) end |
#encrypt(key, data) ⇒ Object
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# File 'lib/sekrets.rb', line 324 def encrypt(key, data) cipher(:encrypt, key, data) end |
#recrypt(old_key, new_key, data) ⇒ Object
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# File 'lib/sekrets.rb', line 336 def recrypt(old_key, new_key, data) encrypt(new_key, decrypt(old_key, data)) end |