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S/MIME. S/MIME ( Secure/Multipurpose Internet Mail Extensions) is a standard for public-key encryption and signing of MIME data. S/MIME is on an IETF standards track and defined in a number of documents, most importantly RFC 8551. It was originally developed by RSA Data Security, and the original specification used the IETF MIME specification ...
Kleopatra: certificate manager for OpenPGP and X.509; GPA: an alternative certificate manager for OpenPGP and X.509; Plug-ins for email and file cryptography GpgOL: a plug-in for Microsoft Outlook to provide email encryption and signing; GpgEX: a plug-in for the Windows Explorer to provide file encryption, signing and hash calculations
Email encryption. Email encryption is encryption of email messages to protect the content from being read by entities other than the intended recipients. Email encryption may also include authentication . Email is prone to the disclosure of information. Most emails are encrypted during transmission, but they are stored in clear text, making ...
During this turmoil, Zimmermann's team worked on a new version of PGP encryption called PGP 3. This new version was to have considerable security improvements, including a new certificate structure that fixed small security flaws in the PGP 2.x certificates as well as permitting a certificate to include separate keys for signing and encryption.
S/MIME support local server- side inline PGP/MIME or OpenPGP protocol OCSP CRL certificates on tokens, smartcards support Alpine: Read only Yes Yes ? ? ? Yes ? Yes ? Yes ? ? ? Apple Mail: Yes Yes Yes Yes Yes ? Yes Yes No No Yes Yes Yes No Becky! Internet Mail: Yes Yes Yes No No No Yes No Yes ? Yes ? ? ? Canary Mail: Yes Yes Yes ? Yes ? Yes Yes ...
PEM data is commonly stored in files with a ".pem" suffix, a ".cer" or ".crt" suffix (for certificates), or a ".key" suffix (for public or private keys). The label inside a PEM file represents the type of the data more accurately than the file suffix, since many different types of data can be saved in a ".pem" file.
Certificate Authority/Browser Forum (CA/B Forum): GlobalSign is a founding member of the CA/B Forum, which was established in 2013. They are actively involved with the organization's S/MIME and server certificate working groups. Microsoft Intelligent Security Association (MISA): GlobalSign has been a member of MISA since 2019.
The architecture of CMS is built around certificate-based key management, such as the profile defined by the PKIX working group. CMS is used as the key cryptographic component of many other cryptographic standards, such as S/MIME , PKCS #12 and the RFC 3161 digital timestamping protocol.
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