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jamescmartinez/snapchat_decrypt.rb

Last active July 14, 2025 13:14
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Snapchat Image Decrypt - This Ruby script decrypts the blob received from the `bq/blob` endpoint. Many thanks to @kivikakk, @adamcaudill, @tlack, and @NeilHanlon for inspiration, code, guides, and of course, the encryption key.
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snapchat_decrypt.rb
#!/usr/bin/env ruby
require 'openssl'
data = File.open('blob', 'r:ASCII-8BIT').read
c = OpenSSL::Cipher.new('AES-128-ECB')
c.decrypt
c.key = 'M02cnQ51Ji97vwT4'
o = ''.force_encoding('ASCII-8BIT')
data.bytes.each_slice(16) { |s| o += c.update(s.map(&:chr).join) }
o += c.final
File.open('blob.jpg', 'w') { |f| f.write(o) }
@luanagelmi
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Please help me
I do not understand much about these matters
What should I do with this code?
@jamescmartinez

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