Algorithm Support

This page lists algorithms that are known to work or not work with the current implementation. Also, see the specific SignServer Signer for algorithms that signers can work with and review signer-specific algorithm support pages.

Signature Algorithms

	Algorithm Name	Also Known As	Comment
	SHA1withRSA	RSASSA-PKCS_v1.5 using SHA1
	SHA256withRSA	RSASSA-PKCS_v1.5 using SHA256
	SHA512withRSA	RSASSA-PKCS_v1.5 using SHA512
	NONEwithRSA	RSASSA-PKCS_v1.5
	SHA256withRSAandMGF1	RSASSA-PSS using SHA256
	SHA512withRSAandMGF1	RSASSA-PSS using SHA512
	NONEwithRSAandMGF1	RSASSA-PSS
	SHA256withECDSA	ECDSA using SHA256
	SHA512withECDSA	ECDSA using SHA512
	NONEwithECDSA	ECDSA
	Ed25519	Pure EdDSA with Edwards25519	Depending on the Signer.
	Ed448	Pure EdDSA with Edwards448	Not yet implemented.

Key Algorithms

	Algorithm Name	Key Specification	Comment
	RSA	1024 2048 4096	Other key lengths are likely also working.
	ECDSA	Named curves: secp224r1 secp256r1 / prime256v1 / P-256 secp384r1 secp521r1	More named curves are likely working.
	EdDSA	Ed25519