modules/deploy/dsc/custom/cCertificate/readme.txt

OBJ_cCertReq - copied from xCertReq (https://github.com/PowerShell/xCertificate),
 
OBJ_cPfxImport - copied from cPfxImport (pull request for xCertificate)
 
OBJ_cSelfSignedCert - custom resource for creating self-signed certificate