As with other AOCE technologies, Carbon will not support the Digital Signature Manager.
SIGDigest
SIGDigestPrepare
SIGDisposeContext
SIGFileIsSigned
SIGGetCertInfo
SIGGetCertIssuerNameAttributes
SIGGetCertNameAttributes
SIGGetSignerInfo
SIGNewContext
SIGProcessData
SIGShowSigner
SIGSign
SIGSignFile
SIGSignPrepare
SIGVerify
SIGVerifyFile
SIGVerifyPrepare