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- # Copyright 2019 The Matrix.org Foundation C.I.C.
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- import hashlib
- import unpaddedbase64
- def sha256_and_url_safe_base64(input_text: str) -> str:
- """SHA256 hash an input string, encode the digest as url-safe base64, and
- return
- Args:
- input_text: string to hash
- returns:
- A sha256 hashed and url-safe base64 encoded digest
- """
- digest = hashlib.sha256(input_text.encode()).digest()
- return unpaddedbase64.encode_base64(digest, urlsafe=True)
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