signer.py 文件源码

def get_signer(curve):
    if curve == NIST256p:
        return NIST256pSigner
    elif curve == NIST384p:
        return NIST384pSigner
    elif curve == SECP256k1:
        return SECP256k1Signer
    else:
        raise Exception("Unknown curve: %s" % str(curve))