From 6a74fcc7afe19dbabd6c741b0804a6a2804379bd Mon Sep 17 00:00:00 2001 From: Bob Mottram Date: Mon, 15 Jun 2020 21:08:44 +0100 Subject: [PATCH] Tidying --- jsonldsig.py | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/jsonldsig.py b/jsonldsig.py index 5242d56d6..f2fad5d15 100644 --- a/jsonldsig.py +++ b/jsonldsig.py @@ -28,36 +28,36 @@ import base64 import json -def b64safeEncode(payload): +def b64safeEncode(payload: {}) -> str: """ b64 url safe encoding with the padding removed. """ return base64.urlsafe_b64encode(payload).rstrip(b'=') -def b64safeDecode(payload): +def b64safeDecode(payload: {}) -> str: """ b64 url safe decoding with the padding added. """ return base64.urlsafe_b64decode(payload + b'=' * (4 - len(payload) % 4)) -def normalizeJson(payload): +def normalizeJson(payload: {}) -> str: return json.dumps(payload, separators=(',', ':'), sort_keys=True).encode('utf-8') -def signRs256(payload, private_key): +def signRs256(payload: {}, privateKey: str) -> str: """ Produce a RS256 signature of the payload """ - key = RSA.importKey(private_key) + key = RSA.importKey(privateKey) signer = PKCS1_v1_5.new(key) signature = signer.sign(SHA256.new(payload)) return signature -def verifyRs256(payload, signature, publicKeyPem): +def verifyRs256(payload: {}, signature: str, publicKeyPem: str) -> bool: """ Verifies a RS256 signature """ @@ -66,7 +66,7 @@ def verifyRs256(payload, signature, publicKeyPem): return verifier.verify(SHA256.new(payload), signature) -def signJws(payload, private_key): +def signJws(payload: {}, privateKey: str) -> str: """ Prepare payload to sign """ header = { @@ -78,14 +78,14 @@ def signJws(payload, private_key): encodedHeader = b64safeEncode(normalizedJson) preparedPayload = b'.'.join([encodedHeader, payload]) - signature = signRs256(preparedPayload, private_key) + signature = signRs256(preparedPayload, privateKey) encodedSignature = b64safeEncode(signature) jwsSignature = b'..'.join([encodedHeader, encodedSignature]) return jwsSignature -def verifyJws(payload, jwsSignature, publicKeyPem: str): +def verifyJws(payload: {}, jwsSignature: str, publicKeyPem: str) -> bool: # remove the encoded header from the signature encodedHeader, encodedSignature = jwsSignature.split(b'..') signature = b64safeDecode(encodedSignature)