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2. Ring signature - Wikipedia

   en.wikipedia.org/wiki/Ring_signature

   In cryptography, a ring signature is a type of digital signature that can be performed by any member of a set of users that each have keys. Therefore, a message signed with a ring signature is endorsed by someone in a particular set of people.

3. Keyring (cryptography) - Wikipedia

   en.wikipedia.org/wiki/Keyring_(cryptography)

   This cryptography-related article is a stub. You can help Wikipedia by expanding it.

4. Secret decoder ring - Wikipedia

   en.wikipedia.org/wiki/Secret_decoder_ring

   A secret decoder ring (or secret decoder) is a device that allows one to decode a simple substitution cipher—or to encrypt a message by working in the opposite direction. [ 1 ] As inexpensive toys, secret decoders have often been used as promotional items by retailers, as well as radio and television programs, from the 1930s through to the ...

5. Cryptographic key types - Wikipedia

   en.wikipedia.org/wiki/Cryptographic_key_types

   One key might be used to start an automobile, while another might be used to open a safe deposit box. The automobile key will not work to open the safe deposit box and vice versa. This analogy provides some insight on how cryptographic key types work. These keys are categorized in respect to how they are used and what properties they possess.

6. Elliptic Curve Digital Signature Algorithm - Wikipedia

   en.wikipedia.org/wiki/Elliptic_Curve_Digital...

   As with elliptic-curve cryptography in general, the bit size of the private key believed to be needed for ECDSA is about twice the size of the security level, in bits. [1] For example, at a security level of 80 bits—meaning an attacker requires a maximum of about 2 80 {\displaystyle 2^{80}} operations to find the private key—the size of an ...

7. Ring learning with errors key exchange - Wikipedia

   en.wikipedia.org/wiki/Ring_learning_with_errors...

   In cryptography, a public key exchange algorithm is a cryptographic algorithm which allows two parties to create and share a secret key, which they can use to encrypt messages between themselves. The ring learning with errors key exchange ( RLWE-KEX ) is one of a new class of public key exchange algorithms that are designed to be secure against ...