I am trying to sign a string with an RSA key in Python. I have working JavaScript code that does it, but now I need to replicate it in Python using Python-RSA.
In particular, these are the two JavaScript calls that I need to deal with:
const key = await crypto.subtle.importKey(
'raw',
bytesOfSecretKey,
{ name: 'HMAC', hash: 'SHA-256' },
false,
['sign']);
and
const mac = await crypto.subtle.sign('HMAC', key, bytesOfStringToSign));
where bytesOfSecretKey
is just a key string represented as bytes, and bytesOfStringToSign
is the string I am signing. Any pointers would be appreciated!
As pointed out by the commenter, the JavaScript code uses HMAC to generate the signature. In python the equivalent code to generate the hexadecimal signature would be:
import hmac
import hashlib
key = 'SECRET_KEY_STRING'
strToSign = 'STRING_TO_SIGN'
signature = hmac.new(key.encode("utf-8"),
strToSign.encode("utf-8"), hashlib.sha256).hexdigest()
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