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Converting C# Encryption Algorithm to Ruby


Converting C# Encryption Algorithm to Ruby

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Converting C# Encryption Algorithm to Ruby
Tag : chash , By : Anonymous
Date : December 18 2020, 12:00 PM

may help you . It looks like your PBKDF2 generation algorithm has fixed input, so the resulting Key and IV should always be the same.
I just ran the C# code on my machine modified to output the values of the Key and IV. It gave me:
takKsX7IBXq3R0Q5GWgJo/XhhEHDNfRFxSVru12vtU4=
y/lm9eKzBJTMdU+uA6GlXA==
clear_text = 'HELLO WORLD'
cipher = OpenSSL::Cipher::AES256.new(:CBC)
cipher.encrypt
cipher.key = Base64.decode64('takKsX7IBXq3R0Q5GWgJo/XhhEHDNfRFxSVru12vtU4=')
cipher.iv = Base64.decode64('y/lm9eKzBJTMdU+uA6GlXA==')
clearBytes = clearText.encode('UTF-16LE')
encrypted = cipher.update(clearBytes)
encrypted << cipher.final
puts Base64.encode64(encrypted)

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Encryption Algorithm from PHP to Ruby (Vignere variant)


Tag : php , By : scott.sizemore
Date : March 29 2020, 07:55 AM
To fix the issue you can do From Erik Veenstra:
class String
  def xor(other)
    if other.empty?
      self
    else
      a1        = self.unpack("c*")
      a2        = other.unpack("c*")
      a2 *= 2   while a2.length < a1.length
      a1.zip(a2).collect{|c1,c2| c1^c2}.pack("c*")
    end
  end
end
tmp << str.slice(i,1).xor(encrypt_key.slice(i,1))
class String
  def xor(other)
    raise ArgumentError, "Can't bitwise-XOR a String with a non-String" unless other.kind_of? String
    raise ArgumentError, "Can't bitwise-XOR strings of different length" unless self.length == other.length
    (0..self.length-1).collect { |i| self[i] ^ other[i] }.pack("C*")
  end
end

2 Way Encryption Algorithm that for both Ruby & Node.JS that only encrypts to letters and numbers


Tag : ruby-on-rails , By : John Q.
Date : March 29 2020, 07:55 AM
To fix the issue you can do As others have suggested, a strong encryption like AES-CBC or AES-CTR together with Base-64 is one solution. Base-64 uses +, / and = in addition to the 62 alphanumeric characters. Hex (Base-16) is strictly alphanumeric, but takes more storage space. Base-32 only has the padding character, =, like Base-64. In a pinch it is possible to omit padding, and to recalculate in for decoding.
If you are wiling to accept a lower level of security then one alternative is to use a Vigenère cypher, where you can explicitly determine the input and output characters allowed.

Does Spring Security Saml 2.0 support Assertion Level Encryption and AES-256 as Encryption Algorithm?


Tag : spring , By : Kristian Hofslaeter
Date : March 29 2020, 07:55 AM
hop of those help? Yes, Spring SAML is able to receive SAML messages encrypted using AES-256 (http://www.w3.org/2001/04/xmlenc#aes256-cbc) by default. But it is not possible to configure Spring SAML to encrypt messages sent to IDP.

How can I use AES-GCM encryption algorithm instead of AES algorithm (default) as a server side encryption in Alibaba Clo


Tag : rest , By : Rik
Date : March 29 2020, 07:55 AM
help you fix your problem KMS stands for Key Management System. KMS is not an encryption algorithm. KMS provides for creation, management and rotation of encryption keys.
Alibaba Cloud KMS provides AES-256 encryption in Galois/Counter Mode (AES-GCM). This is a standard mode of encryption provided / supported by each of the cloud vendors.

Software tools to automatically decrypt a file, whose encryption algorithm (and/or encryption keys) isn't known?


Tag : development , By : ciops
Date : March 29 2020, 07:55 AM
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