[tag=VBG] [tag=JJ] [□]
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[tag=VBG] [tag=JJ] [□ & □]
This document describes a protocol for adding cryptographic signature and encryption services to MIME data . Authenticode for ActiveX control is an approach for increasing mobile code security by applying digital signature to ActiveX controls . These modules provide a wide range of security features , including digital signature creation and verification for CMS and XML-Dsig , and automatic certificate validation . This represents an intriguing case , since the cause of the rapid collapse of the surrounding convective signature is unclear .