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 NameAlso Known AsComment
(error)SHA1withRSARSASSA-PKCS_v1.5 using SHA1
(tick)SHA256withRSARSASSA-PKCS_v1.5 using SHA256
(tick)SHA512withRSARSASSA-PKCS_v1.5 using SHA512
(error)NONEwithRSARSASSA-PKCS_v1.5
(tick)

SHA256withRSAandMGF1

RSASSA-PSS using SHA256
(tick)SHA512withRSAandMGF1RSASSA-PSS using SHA512
(error)NONEwithRSAandMGF1RSASSA-PSS
(tick)

SHA256withECDSA

ECDSA using SHA256
(tick)SHA512withECDSAECDSA using SHA512
(error)NONEwithECDSAECDSA
(tick)Ed25519Pure EdDSA with Edwards25519Depending on the Signer.
(error)Ed448Pure EdDSA with Edwards448Not yet implemented.

Key Algorithms


Algorithm NameKey SpecificationComment
(tick)RSA
  • 1024
  • 2048
  • 4096

Other key lengths are likely also working.


(tick)ECDSA

Named curves:

  • secp224r1
  • secp256r1 / prime256v1 / P-256
  • secp384r1
  • secp521r1
More named curves are likely working.
(tick)EdDSA

Ed25519


Related Content