OptionalrawTimestamp: numberGiven a secret, a canonical request, a timestamp and context headers, generates a signature.
OptionalrawTimestamp: numberOptionalrawContext: Context<SubjectHeadersApp>Given a secret, a canonical request, a timestamp and context headers, generates a signature.
OptionalrawTimestamp: numberOptionalrawContext: Context<SubjectHeadersUser>
Given a secret, a canonical request, a timestamp and context headers, generates a signature.