My goal is to have the signature results consistent with the server’s results. I’ve heard that signatures may involve randomness, which leads to different results each time, but in practice, when I used the cryptography library:
signature = privateKey.sign(data, padding.PKCS1v15(), hashes.SHA256())
the results were consistent each time and matched the server’s results. I want to simplify the imports and only use Crypto or cryptodome. When using cryptodome with the following code:
dataHash = SHA256.new(data)
signature = PKCS1_v1_5.new(privateKey).sign(dataHash)
the results vary each time, likely due to the salt.
I want to ask is it possible to do what cryptography does in Crypto or cryptodome that can generate the same signature every time. Thank you!
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