Function getSignatureKey

S3/Crypto.py:190–199

Input: unicode params Output: bytes

(key, dateStamp, regionName, serviceName)

def getSignatureKey(key, dateStamp, regionName, serviceName):
    """
    Input: unicode params
    Output: bytes
    """
    kDate = sign(encode_to_s3('AWS4' + key), dateStamp)
    kRegion = sign(kDate, regionName)
    kService = sign(kRegion, serviceName)
    kSigning = sign(kService, 'aws4_request')
    return kSigning


def sign_request_v4(method='GET', host='', canonical_uri='/', params=None,