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...listic encryption|probabilistic]] [[Public-key cryptography|public-key]] [[encryption]] scheme. ...which a primitive public-key encryption function is converted to a secure encryption scheme by use of a truly random hash function; the resulting scheme is desi ...

...and [[multipart/encrypted]] framework to apply [[digital signature]] and [[encryption]] services to [[MIME]] objects. ...lic key management approaches, including both ad hoc and certificate-based schemes. Mechanisms are provided to support many public key management approaches.< ...

...e]], that is, to hide even partial information about the [[plaintext]], an encryption algorithm must be [[randomized algorithm|probabilistic]]. ...ize. More efficient probabilistic encryption algorithms include [[ElGamal encryption|Elgamal]], [[Paillier]], and various constructions under the [[random oracl ...

{{short description|IEEE standardization project for public-key cryptography}} ...lectrical and Electronics Engineers]] (IEEE) standardization project for [[public-key cryptography]]. It includes specifications for: ...

...ties ([[proxy server|proxies]]) to alter a [[ciphertext]] which has been [[encryption|encrypted]] for one party, so that it may be decrypted by another. ...l's Blog, Seen Nov 2014, http://mohamednabeel.blogspot.ca/2011/03/proxy-re-encryption.html</ref> ...

...ccache–Stern cryptosystem''' is a [[Homomorphic encryption|homomorphic]] [[public-key cryptosystem]] whose security rests on the [[higher residuosity problem]]. ...product of two large [[Prime number|primes]]. This scheme is [[Homomorphic encryption|homomorphic]] and hence [[Malleability (cryptography)|malleable]]. ...

...simultaneously performs the functions of both [[digital signature]] and [[encryption]]. ...ion overheads in comparison with the traditional signature-then-encryption schemes. ...

'''Plaintext-awareness''' is a notion of security for [[public-key encryption]]. A [[cryptosystem]] is plaintext-aware if it is difficult for any effici ...view, this is a strange property. Normally, a ciphertext is computed by [[encryption|encrypting]] a plaintext. If a ciphertext is created this way, its creator ...

...ncryption algorithms include [[RSA (algorithm)|RSA]] cryptosystem (without encryption padding), and many [[block cipher]]s when used in [[electronic codebook|ECB ...ryptography]], where any party can encrypt chosen messages using a public encryption key. In this case, the adversary can build a large "dictionary" of useful ...

...ache]] and [[Jacques Stern]] in 1997. This cryptosystem is [[deterministic encryption|deterministic]], and hence is not [[semantic security|semantically secure]] ===Encryption=== ...

{{Short description|Asymmetric key encryption algorithm}} ...n of being the first [[probabilistic encryption|probabilistic]] public-key encryption scheme which is [[provably secure]] under standard cryptographic assumption ...

{{Short description|Asymmetric key encryption algorithm}} ...'''Cramer–Shoup system''' is an [[asymmetric cryptography|asymmetric]] key encryption algorithm, and was the first efficient scheme proven to be secure against a ...

...er ciphertext which decrypts to a related [[plaintext]]. That is, given an encryption of a plaintext <math>m</math>, it is possible to generate another ciphertex ...rning <math>m</math>. Such schemes are known as [[homomorphic encryption]] schemes. ...

...PE">{{cite conference |first=Josh |last=Benaloh |title=Dense Probabilistic Encryption. |conference=Workshop on Selected Areas of Cryptography |pages=120–128 |yea ...roduct of two large [[Prime number|primes]]. This scheme is [[Homomorphic encryption|homomorphic]] and hence [[Malleability (cryptography)|malleable]]. ...

...meeting, use of a trusted courier, or sending the key through an existing encryption channel. The first two are often impractical and unsafe, while the third d ...reates a key-pair, they keep one key private and the other, known as the ''public-key'', is uploaded to a server where it can be accessed by anyone to send the u ...

{{Short description|Public-key cryptosystem}} ...he [[ElGamal signature scheme]], which should not be confused with ElGamal encryption. ...

...be used to roughly equate keys of other types of algorithms with symmetric encryption algorithms. In short, 128 bit symmetric keys are said to be equivalent to 3 * symmetric encryption algorithms such as 3DES and AES; ...

...ource and includes the extension functions module. Support for 256-bit AES encryption has been added in version 1.9.8. ...to select the encryption scheme at runtime. Currently, 7 different cipher schemes can be selected: ...

'''NESSIE''' ('''New European Schemes for Signatures, Integrity and Encryption''') was a [[Europe]]an research project funded from 2000 to 2003 to identif *[[Advanced Encryption Standard|AES]]*: (Advanced Encryption Standard) ([[NIST]], [[Federal Information Processing Standard|FIPS]] Pub 1 ...

{{Short description|Authenticated encryption mode for block ciphers}} | title= EAX: A Conventional Authenticated-Encryption Mode ...