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2. Identity-based encryption - Wikipedia

   en.wikipedia.org/wiki/Identity-based_encryption

   Identity-based encryption (IBE), is an important primitive of identity-based cryptography. As such it is a type of public-key encryption in which the public key of a user is some unique information about the identity of the user (e.g. a user's email address). This means that a sender who has access to the public parameters of the system can ...

3. Identity-based cryptography - Wikipedia

   en.wikipedia.org/wiki/Identity-based_cryptography

   Identity-based systems have a characteristic problem in operation. Suppose Alice and Bob are users of such a system. Since the information needed to find Alice's public key is completely determined by Alice's ID and the master public key, it is not possible to revoke Alice's credentials and issue new credentials without either (a) changing Alice's ID (usually a phone number or an email address ...

4. Boneh–Franklin scheme - Wikipedia

   en.wikipedia.org/wiki/Boneh–Franklin_scheme

   The Boneh–Franklin scheme is an identity-based encryption system proposed by Dan Boneh and Matthew K. Franklin in 2001. [1] This article refers to the protocol version called BasicIdent. It is an application of pairings (Weil pairing) over elliptic curves and finite fields.

5. Cocks IBE scheme - Wikipedia

   en.wikipedia.org/wiki/Cocks_IBE_scheme

   It can be shown that breaking the scheme is equivalent to solving the quadratic residuosity problem, which is suspected to be very hard.The common rules for choosing a RSA modulus hold: Use a secure , make the choice of uniform and random and moreover include some authenticity checks for (otherwise, an adaptive chosen ciphertext attack can be mounted by altering packets that transmit a single ...

6. Identity-based conditional proxy re-encryption - Wikipedia

   en.wikipedia.org/wiki/Identity-based_conditional...

   In an identity-based conditional proxy re-encryption (IBCPRE) system, users set their public keys as unique identities of the users. One of the main advantages of using identity-based cryptographic algorithms is the elimination of public key certificates, which can help enhance the usability of the target security applications. The term ...

7. SM9 (cryptography standard) - Wikipedia

   en.wikipedia.org/wiki/SM9_(cryptography_standard)

   In Identity Based Cryptography (IBC) the public key is often taken as the concatenation of an entity's Identity and a validity period for the public key. In Identity Based Cryptography, one or more trusted agents use their private keys to compute an entity's private key from their public key (Identity and Validity Period).

8. Identity-based security - Wikipedia

   en.wikipedia.org/wiki/Identity-based_security

   The earliest forms of Identity-based security was introduced in the 1960s by computer scientist Fernando Corbató. [4] During this time, Corbató invented computer passwords to prevent users from going through other people's files, a problem evident in his Compatible Time-Sharing System (C.T.S.S.), which allowed multiple users access to a computer concurrently. [5]

9. Functional encryption - Wikipedia

   en.wikipedia.org/wiki/Functional_encryption

   Functional encryption generalizes several existing primitives including Identity-based encryption (IBE) and attribute-based encryption (ABE). In the IBE case, define F ( k , x ) {\displaystyle F(k,x)} to be equal to x {\displaystyle x} when k {\displaystyle k} corresponds to an identity that is allowed to decrypt, and ⊥ {\displaystyle \perp ...