Sha256: 47a96c134558da375d6f685a9360d85e4a584288542fa925977b530626b24d10
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Versions: 71
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Contents
# encoding: UTF-8
require 'securerandom'
require 'digest/sha2'
require 'openssl'
require 'base64'
module Kafo
class PasswordManager
# generate a random password of lenght n
#
# on ruby >= 1.9 we use builtin method urlsafe_base64, on olders we use our own
# implementation (inspired by urlsafe_base64)
#
# the result may contain A-Z, a-z, 0-9, “-” and “_”. “=”
def password(n = 32)
return SecureRandom.urlsafe_base64(n) if SecureRandom.respond_to?(:urlsafe_base64)
s = [SecureRandom.random_bytes(n)].pack("m*")
s.delete!("\n")
s.tr!("+/", "-_")
s.delete!("=")
s
end
def aes_encrypt(text, passphrase)
cipher = OpenSSL::Cipher::Cipher.new("aes-256-cbc")
cipher.encrypt
cipher.key = Digest::SHA2.hexdigest(passphrase)
cipher.iv = Digest::SHA2.hexdigest(passphrase + passphrase)
encrypted = cipher.update(text)
encrypted << cipher.final
Base64.encode64(encrypted)
end
def aes_decrypt(text, passphrase)
cipher = OpenSSL::Cipher::Cipher.new("aes-256-cbc")
cipher.decrypt
cipher.key = Digest::SHA2.hexdigest(passphrase)
cipher.iv = Digest::SHA2.hexdigest(passphrase + passphrase)
decrypted = cipher.update(Base64.decode64(text))
decrypted << cipher.final
decrypted
end
end
end
Version data entries
71 entries across 71 versions & 1 rubygems