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

(fel)

SHA1withRSA

RSASSA-PKCS_v1.5 using SHA1


(bock)

SHA256withRSA

RSASSA-PKCS_v1.5 using SHA256


(bock)

SHA512withRSA

RSASSA-PKCS_v1.5 using SHA512


(fel)

NONEwithRSA

RSASSA-PKCS_v1.5


(bock)

SHA256withRSAandMGF1

RSASSA-PSS using SHA256


(bock)

SHA512withRSAandMGF1

RSASSA-PSS using SHA512


(fel)

NONEwithRSAandMGF1

RSASSA-PSS


(bock)

SHA256withECDSA

ECDSA using SHA256


(bock)

SHA512withECDSA

ECDSA using SHA512


(fel)

NONEwithECDSA

ECDSA


(bock)

Ed25519

Pure EdDSA with Edwards25519

Depending on the Signer.

(fel)

Ed448

Pure EdDSA with Edwards448

Not yet implemented.

Key Algorithms


Algorithm Name

Key Specification

Comment

(bock)

RSA

  • 1024
  • 2048
  • 4096

Other key lengths are likely also working.


(bock)

ECDSA

Named curves:

  • secp224r1
  • secp256r1 / prime256v1 / P-256
  • secp384r1
  • secp521r1

More named curves are likely working.

(bock)

EdDSA

Ed25519


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