Revise secret in Radix-64

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How to revise secret in Radix-64

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hello world welcome back to another imaginary CTF 2024 writeup video in this video weamp;#39;ll be walking through the crypto challenge base 64 letamp;#39;s get into it yet another B 64 decoding challenge okay so I have the files that give you downloaded over here letamp;#39;s go ahead and open this in code okay you have a main.py source code and an out.txt file with the secret key scanning through this main.py script we see that we have a Q being assigned the value 64 and then itamp;#39;s opening the flag file and then converting the flag to a long integer then itamp;#39;s initializing the secret key list and then itamp;#39;s looping through our flag integer and then itamp;#39;s appending to the secret key the flag integer mod Q so the remainder of the flag integer divided by q and then it floor divides the flag integer by q and then it assigns the flag integer to the quotient of that operation so itamp;#39;s clear that we need to reverse this so what Iamp;#39;m going

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What is base 64 encoded secret?

About Base64-encoded text Base64 is not an encryption algorithm, encoding and decoding do not rely on a secret key but Base64 is commonly used to encode to text the results of encryption algorithms. This detector will only look for generic secrets inside Base64 encoded-text representing unicode text.

How to convert client ID and secret to Base64?

Combine the client Id and client secret keys in the format client-id:client-secret and encode the combined string using base64. Encoding to base64 can be done using the URL: . Heres an example client key and secret combination : wU62DjlyDBnq87GlfwplfqvmAbAa:ksdSdoefDDP7wpaElfqvmjDue.

What is the radix 64 code?

What is Radix 64 Encoding? Radix 64 encoding allows binary data stored in octets (i.e. bytes) to be expressed as printable characters. Radix-64 characters require the binary input to be split into blocks of 6. These numbers (which all range from 0 - 63) are then mapped onto a character set of printable characters.

Is Base64 encryption a lie?

Base64 is not an encryption algorithm and in no case should it be used to hash passwords or encrypt sensitive data, because it is a reversible algorithm and the encoded data can be easily decoded. Base64 may only be used to encode raw result of a cryptographic function.

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