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  2. Let's Encrypt - Wikipedia

    en.wikipedia.org/wiki/Let's_Encrypt

    Example of a website using Let's Encrypt Example of a Let's Encrypt certificate. The mission for the organization is to create a more secure and privacy-respecting World-Wide Web by promoting the widespread adoption of HTTPS. [10] Let's Encrypt certificates are valid for 90 days, during which renewal can take place at any time. [11]

  3. Certificate authority - Wikipedia

    en.wikipedia.org/wiki/Certificate_authority

    On November 18, 2014, a group of companies and nonprofit organizations, including the Electronic Frontier Foundation, Mozilla, Cisco, and Akamai, announced Let's Encrypt, a nonprofit certificate authority that provides free domain validated X.509 certificates as well as software to enable installation and maintenance of certificates. [14] Let's ...

  4. Public-key cryptography - Wikipedia

    en.wikipedia.org/wiki/Public-key_cryptography

    In this example the message is digitally signed with Alice's private key, but the message itself is not encrypted. 1) Alice signs a message with her private key. 2) Using Alice's public key, Bob can verify that Alice sent the message and that the message has not been modified.

  5. Public key infrastructure - Wikipedia

    en.wikipedia.org/wiki/Public_key_infrastructure

    Diagram of a public key infrastructure. A public key infrastructure (PKI) is a set of roles, policies, hardware, software and procedures needed to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption.

  6. Linux Unified Key Setup - Wikipedia

    en.wikipedia.org/wiki/Linux_Unified_Key_Setup

    The contents of the encrypted device are arbitrary, and therefore any filesystem can be encrypted, including swap partitions. [2] There is an unencrypted header at the beginning of an encrypted volume, which allows up to 8 (LUKS1) or 32 (LUKS2) encryption keys to be stored along with encryption parameters such as cipher type and key size. [3] [4]

  7. Self-signed certificate - Wikipedia

    en.wikipedia.org/wiki/Self-signed_certificate

    For example, the Encrypting File System on Microsoft Windows issues a self-signed certificate on behalf of a user account to transparently encrypt and decrypt files on the fly. Another example is a root certificate , which is a form of self-signed certificate.

  8. Use POP or IMAP to sync AOL Mail on a third-party app or ...

    help.aol.com/articles/how-do-i-use-other-email...

    Most email software and applications have an account settings menu where you'll need to update the IMAP or POP3 settings. When entering your account info, make sure you use your full email address, including @aol.com, and that the SSL encryption is enabled for incoming and outgoing mail.

  9. Certificate-based encryption - Wikipedia

    en.wikipedia.org/wiki/Certificate-based_encryption

    A user Alice can doubly encrypt a message using another user's (Bob) public key and his (Bob's) identity.. This means that the user (Bob) cannot decrypt it without a currently valid certificate and also that the certificate authority cannot decrypt the message as they don't have the user's private key (i.e., there is no implicit escrow as with ID-based cryptography, as the double encryption ...