What signature modes does each Cloud Service provide?

To ensure the integrity of data in transit, signatures are used. All three platform offer RSA-PSS, RSA PKCS#1V1.5, ECDSA with P-256, and ECDSA with P-384 signature methods. Two types Amazon Web Services and Microsoft Azure offer that Google Cloud Platform does not are ECDSA with P-512 and ECDSA with SECP-256k1.