Find cryptography algorithm in POST form
- Status: Closed
- Prize: $1000
- Entries Received: 1
- Winner: oacoac
Contest Brief
I have client native app (vc++), it is packed by themida. Each time this app client send POST form data to server, data is encrypted with random key. Here is 1 example
plain_text: hello
data after encrypted something like:
encrypted_text = 6NTkCAvY7NqYFz5lU1JjNQ==
EncKey = ZCj35hEvmxMOQPrzYzov8CsOpKJayFoRUoc98FGTnnkUi+YZW5pzNHXhCuvKKqq4RAATdn1qSsZ558i2cS2ClfvXvfb3OQEgBj9+GcdMMBasdKGYu88hxFfELkqWKxyZijY+UCVvE8KLv0+65nMzbvQ12OJGRhE1JJd1FCtW+qU=
(EncKey is random and always 172 characters).
I want to have algorithm to gen EncKey and algorythm to encrypt/decrypt data
code should be .NET or PHP
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oacoac Vietnam
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