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  2. S/MIME - Wikipedia

    en.wikipedia.org/wiki/S/MIME

    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 [1 ...

  3. HTML - Wikipedia

    en.wikipedia.org/wiki/HTML

    Ensure that the document's MIME type is set to text/html. For both HTML and XHTML, this comes from the HTTP Content-Type header sent by the server. Change the XML empty-element syntax to an HTML style empty element (< br /> to < br >). Those are the main changes necessary to translate a document from XHTML 1.0 to HTML 4.01.

  4. Public-key cryptography - Wikipedia

    en.wikipedia.org/wiki/Public-key_cryptography

    Public-key cryptography. An unpredictable (typically large and random) number is used to begin generation of an acceptable pair of keys suitable for use by an asymmetric key algorithm. In an asymmetric key encryption scheme, anyone can encrypt messages using a public key, but only the holder of the paired private key can decrypt such a message.

  5. Cryptographic Message Syntax - Wikipedia

    en.wikipedia.org/wiki/Cryptographic_Message_Syntax

    The Cryptographic Message Syntax (CMS) is the IETF's standard for cryptographically protected messages. It can be used by cryptographic schemes and protocols to digitally sign, digest, authenticate or encrypt any form of digital data.

  6. The 28 Top Free Fitness YouTube Channels of 2021 - Healthline

    www.healthline.com/health/fitness/free-youtube...

    The top free YouTube channels for yoga and Pilates. 19. Yoga with Adriene. Taught by Adriene Mishler, her channel offers an array of yoga tutorials for all levels. With 8.8 million subscribers to ...

  7. Email encryption - Wikipedia

    en.wikipedia.org/wiki/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 them readable by third ...

  8. S-box - Wikipedia

    en.wikipedia.org/wiki/S-box

    In cryptography, an S-box (substitution-box) is a basic component of symmetric key algorithms which performs substitution. In block ciphers, they are typically used to obscure the relationship between the key and the ciphertext, thus ensuring Shannon's property of confusion. Mathematically, an S-box is a nonlinear [1] vectorial Boolean function.

  9. Heap (data structure) - Wikipedia

    en.wikipedia.org/wiki/Heap_(data_structure)

    In computer science, a heap is a tree -based data structure that satisfies the heap property: In a max heap, for any given node C, if P is a parent node of C, then the key (the value) of P is greater than or equal to the key of C. In a min heap, the key of P is less than or equal to the key of C. [1] The node at the "top" of the heap (with no ...