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Topics referred to by the same term
up completeness, complete, completed, or incompleteness in Wiktionary, the free dictionary. Complete may refer to: Completeness (logic) Completeness of
Completeness
Cryptography term
In cryptography, a boolean function is said to be complete if the value of each output bit depends on all input bits. This is a desirable property to
Completeness_(cryptography)
Aspect of cryptography
A cryptographic protocol is an abstract or concrete protocol that performs a security-related function and applies cryptographic methods, often as sequences
Cryptographic_protocol
Practice and study of secure communication techniques
Cryptography, or cryptology, is the practice and study of techniques for secure communication in the presence of adversarial behavior. More generally,
Cryptography
Complexity class
reductions. The concept of NP-completeness was introduced in 1971 (see Cook–Levin theorem), though the term NP-complete was introduced later. At the 1971
NP-completeness
Algorithm for public-key cryptography
cryptosystem) such as RSAES-OAEP, and public-key key encapsulation. In RSA-based cryptography, a user's private key—which can be used to sign messages, or decrypt
RSA_cryptosystem
Field of asymmetric cryptographic primitives
Multivariate cryptography is the generic term for asymmetric cryptographic primitives based on multivariate polynomials over a finite field F {\displaystyle
Multivariate_cryptography
Cryptography based on quantum mechanical phenomena
Quantum cryptography is the exploiting of quantum-mechanical properties such as quantum entanglement, measurement disturbance, no-cloning theorem, and
Quantum_cryptography
Project by NIST to standardize post-quantum cryptography
Post-Quantum Cryptography Standardization is a program and competition by NIST to update their standards to include post-quantum cryptography. It was announced
NIST Post-Quantum Cryptography Standardization
NIST_Post-Quantum_Cryptography_Standardization
Method of exchanging cryptographic keys
exchange is a mathematical method of securely generating a symmetric cryptographic key over a public channel and was one of the first protocols as conceived
Diffie–Hellman_key_exchange
British designation for intelligence from decrypted enemy communications
chief engineer Harold Keen. After the war, interrogation of German cryptographic personnel led to the conclusion that German cryptanalysts understood
Ultra_(cryptography)
Military code use and breaking during the Second World War
Cryptography was used extensively during World War II because of the importance of radio communication and the ease of radio interception. The nations
World_War_II_cryptography
Process of converting plaintext to ciphertext
In cryptography, encryption (more specifically, encoding) is the process of transforming information in a way that, ideally, only authorized parties can
Encryption
Comparison of disk encryption software • Comparison of SSH clients • Completeness (cryptography) • Complexity trap • Computational Diffie–Hellman assumption •
Index of cryptography articles
Index_of_cryptography_articles
Cryptographic method
establishment) is a method in cryptography by which cryptographic keys are exchanged between two parties, allowing use of a cryptographic algorithm. If the sender
Key_exchange
Cryptographic secret, not public in contrast to salt
In cryptography, a pepper is a secret added to an input such as a password during hashing with a cryptographic hash function. This value differs from
Pepper_(cryptography)
Unsolved problem in computer science
era." To attack the P = NP question, the concept of NP-completeness is very useful. NP-complete problems are problems that any other NP problem is reducible
P_versus_NP_problem
Concept in cryptography
In cryptography, the avalanche effect is the desirable property of cryptographic algorithms, typically block ciphers and cryptographic hash functions
Avalanche_effect
Standard in public cryptography
In cryptography, PKCS #11 is a Public-Key Cryptography Standard that defines a C programming interface to create and manipulate cryptographic tokens that
PKCS_11
Below is a timeline of notable events related to cryptography. 600-500 – Hebrew scholars make use of simple monoalphabetic substitution ciphers (such as
Timeline_of_cryptography
Overview of and topical guide to algorithms
Karp — NP-completeness and combinatorial optimization Stephen Cook — Cook–Levin theorem and NP-completeness Leonid Levin — NP-completeness and computational
Outline_of_algorithms
Branch of cryptography
Neural cryptography is a branch of cryptography dedicated to analyzing the application of stochastic algorithms, especially artificial neural network algorithms
Neural_cryptography
Simple and widely known encryption technique
of the simplest and most widely known encryption techniques used in cryptography. It is a type of substitution cipher in which each letter in the plaintext
Caesar_cipher
Number of bits in a key used by a cryptographic algorithm
In cryptography, key size or key length refers to the number of bits in a key used by a cryptographic algorithm (such as a cipher). Key length defines
Key_size
Algorithm characteristic in computations
The average-case analogue to NP-completeness is distNP-completeness. A distributional problem (L′, D′) is distNP-complete if (L′, D′) is in distNP and for
Average-case_complexity
A cryptographic service provider (CSP) is a package that "provides a concrete implementation of certain cryptographic services." A CSP offers operations
Cryptographic Service Provider
Cryptographic_Service_Provider
American cryptographer (born 1947)
scientist whose work has spanned the fields of algorithms and combinatorics, cryptography, machine learning, and election integrity. He is an Institute Professor
Ron_Rivest
Property of some cryptographic algorithms
Malleability is a property of some cryptographic algorithms. An encryption algorithm is said to be malleable if it is possible to transform a ciphertext
Malleability_(cryptography)
Cryptanalytic method for unauthorized users to access data
In cryptography, a brute-force attack or exhaustive key search is a cryptanalytic attack that consists of an attacker submitting many possible keys or
Brute-force_attack
Variant of ID-based cryptography
Certificateless cryptography is a variant of ID-based cryptography intended to prevent the key escrow problem. Ordinarily, keys are generated by a certificate
Certificateless_cryptography
Book for ciphers
gathering and storing cryptography codes. Originally, codebooks were often literally books, but today "codebook" is a byword for the complete record of a series
Codebook
Type of cryptographic software obfuscation
In cryptography, indistinguishability obfuscation (abbreviated IO or iO) is a type of software obfuscation with the defining property that obfuscating
Indistinguishability obfuscation
Indistinguishability_obfuscation
Cryptography algorithm
In cryptography, a block cipher mode of operation is an algorithm that uses a block cipher to provide information security such as confidentiality or authenticity
Block cipher mode of operation
Block_cipher_mode_of_operation
Allied cryptanalysis project during World War II
began sending technical assistance to upgrade their communications and cryptography capabilities. One part was to send them modified Enigma machines to secure
Magic_(cryptography)
Proof checkable by a randomized algorithm
an alphabet Σ), a probabilistically checkable proof system for L with completeness c(n) and soundness s(n), where 0 ≤ s(n) ≤ c(n) ≤ 1, consists of a prover
Probabilistically checkable proof
Probabilistically_checkable_proof
Subfield of cryptography
Game or A Completeness Theorem for Protocols with Honest Majority. STOC 1987: 218-229 [2] Zvi Galil, Stuart Haber, Moti Yung: Cryptographic Computation:
Secure multi-party computation
Secure_multi-party_computation
Cryptographic algorithm for random number generation
CryptGenRandom is a cryptographically secure pseudorandom number generator function that is included in Microsoft CryptoAPI. In Win32 programs, Microsoft
CryptGenRandom
Encryption technique
one-time pad (OTP) is an encryption technique that cannot be cracked in cryptography. It requires the use of a single-use pre-shared key that is larger than
One-time_pad
Bitcoin is a cryptocurrency, a digital asset that uses cryptography to control its creation and management rather than relying on central authorities.
History_of_bitcoin
U.S. government cryptographic standard
computer security standard used to approve cryptographic modules. The title is Security Requirements for Cryptographic Modules. Initial publication was on May
FIPS_140-2
Standard for the encryption of electronic data
Agency (NSA) for top secret information when used in an NSA approved cryptographic module. The Advanced Encryption Standard (AES) is defined in these standards:
Advanced_Encryption_Standard
Method used to encrypt a message
cumbersome codebooks, so ciphers are now the dominant technique in modern cryptography. In contrast, because codes are representational, they are not susceptible
Code_(cryptography)
Study of analyzing information systems in order to discover their hidden aspects
is used to breach cryptographic security systems and gain access to the contents of encrypted messages, even if the cryptographic key is unknown. In
Cryptanalysis
System to replace plaintext with ciphertext
In cryptography, a substitution cipher is a method of encrypting that creates the ciphertext (its output) by replacing units of the plaintext (its input)
Substitution_cipher
American cryptographer (born 1944)
of public-key cryptography along with Martin Hellman and Ralph Merkle. Diffie and Hellman's 1976 paper New Directions in Cryptography introduced a radically
Whitfield_Diffie
German cipher machine during World War II
letter is encrypted with a different cryptographic key, making it highly resistant to conventional cryptographic attacks based on patterns the keys leave
Enigma_machine
C++ software library
libcrypto++, and libcryptopp) is a free and open-source C++ class library of cryptographic algorithms and schemes written by Wei Dai. Crypto++ has been widely
Crypto++
This is a list of cryptographers. Cryptography is the practice and study of techniques for secure communication in the presence of third parties called
List_of_cryptographers
Proving validity without revealing other data
In cryptography, a zero-knowledge proof (also known as a ZK proof or ZKP) is a protocol in which one party (the prover) can convince another party (the
Zero-knowledge_proof
Turkish cryptographic engineer
Turkey) is a Turkish-American cryptographic engineer, academic, and author known for his research and work in cryptographic engineering, secure hardware
Çetin_Kaya_Koç
Israeli computer scientist
Michael Ben-Or, Shafi Goldwasser and Avi Wigderson for "Completeness Theorems for Non-Cryptographic Fault-Tolerant Distributed Computation" in Proceedings
Michael_Ben-Or
prime order group that is suitable for public key cryptography, including elliptic curve cryptography. Let g a {\displaystyle g^{a}} be Alice's long-term
YAK_(cryptography)
Activist advocating widespread use of strong cryptography
A cypherpunk is one who advocates the widespread use of strong cryptography and privacy-enhancing technologies as a means of effecting social and political
Cypherpunk
Non-federated cryptographic protocol
Protocol (formerly known as the TextSecure Protocol) is a non-federated cryptographic protocol that provides end-to-end encryption for voice and instant messaging
Signal_Protocol
In cryptography, cryptographic hash functions can be divided into two main categories. In the first category are those functions whose designs are based
Security of cryptographic hash functions
Security_of_cryptographic_hash_functions
PL/C languages and dialects; programming textbooks Stephen Cook – NP-completeness James Cooley – Fast Fourier transform (FFT) Steven Anson Coons – conic
List_of_computer_scientists
Internet puzzle and mystery
of any unsigned puzzle. The puzzles focused heavily on data security, cryptography, steganography, and Internet anonymity. It has been called "the most
Cicada_3301
American mathematician (1916–2001)
cryptography, with his work described as "a turning point, and marked the closure of classical cryptography and the beginning of modern cryptography"
Claude_Shannon
Cryptographic scheme
A commitment scheme is a cryptographic primitive that allows one to commit to a chosen value (or chosen statement) while keeping it hidden to others,
Commitment_scheme
Legal term
the extra benefit of maintaining independent logs of their transactions, complete with the types of credentials checked, and another signature that can be
Non-repudiation
Key (cryptography) Key size Cryptographic key types Symmetric-key cryptography Public-key cryptography (sometimes called Asymmetric-key cryptography) Public-Key
List of cybersecurity information technologies
List_of_cybersecurity_information_technologies
List of unsolved computational problems
computer (P). This question has profound implications for fields such as cryptography, algorithm design, and computational theory. What is the relationship
List of unsolved problems in computer science
List_of_unsolved_problems_in_computer_science
Swiss tech company
safe cryptography division The photon counting division The quantum random number generation division In 2025, IonQ announced that it had completed its
ID_Quantique
Pseudonym of the creator of Bitcoin
but many have speculated that he is actually a British software and cryptography expert who worked on bitcoin in the United Kingdom. If Nakamoto is an
Satoshi_Nakamoto
Type of cryptosystem
A threshold cryptosystem, the basis for the field of threshold cryptography, is a cryptosystem in which the secret key is split into a number of pieces
Threshold_cryptosystem
Israeli computer scientist (born 1957)
specifically, the interplay of randomness and computation, the foundations of cryptography, and computational complexity theory. He won the Knuth Prize in 2017
Oded_Goldreich
Cryptographic protocols for securing data in transit
Transport Layer Security (TLS) is a cryptographic protocol designed to provide communications security over a computer network, such as the Internet.
Transport_Layer_Security
Any attack based on information gained from the implementation of a computer system
information. These attacks differ from those targeting flaws in the design of cryptographic protocols or algorithms (notwithstanding the fact that cryptanalysis
Side-channel_attack
Complexity class
Sotiraki, M. Zampitakis, and G. Zirdelis (2018). "PPP-Completeness with Connections to Cryptography". Proc. of 59th Symposium on Foundations of Computer
PPP_(complexity)
Simple type of polyalphabetic encryption system
that he intentionally kept the general method secret, since he was a cryptographical adviser to his friend, Rear-Admiral Sir Francis Beaufort, during the
Vigenère_cipher
Implementations of Advanced Encryption Standard
Python Cryptography Toolkit PyCrypto, extended in PyCryptoDome keyczar – Cryptography Toolkit keyczar M2Crypto – M2Crypto is the most complete OpenSSL
AES_implementations
Function used in computer cryptography
needed] One-way functions, in this sense, are fundamental tools for cryptography, personal identification, authentication, and other data security applications
One-way_function
Secure communication method
distribution (QKD) is a secure communication method that implements a cryptographic protocol based on the laws of quantum mechanics, specifically quantum
Quantum_key_distribution
Projected date when quantum computers could break modern encryption
challenge is not predicting Q-Day but completing post-quantum cryptography (PQC) migration before vulnerable cryptography reaches end-of-life. This concept
Quantum_Threat
Function returning one of only two values
a vectorial or vector-valued Boolean function (an S-box in symmetric cryptography). There are 2 2 k {\displaystyle 2^{2^{k}}} different Boolean functions
Boolean_function
American computer scientist
Computer Science at the University of Maryland who conducts research on cryptography and cybersecurity. In 2019–2020 he was a faculty member in the Volgenau
Jonathan Katz (computer scientist)
Jonathan_Katz_(computer_scientist)
Type of measurement in quantum mechanics
of (1) being informationally complete; (2) having the minimal number of outcomes compatible with informational completeness, and (3) being highly symmetric
SIC-POVM
Cryptographic primitive
Non-interactive zero-knowledge proofs are cryptographic primitives, where information between a prover and a verifier can be authenticated by the prover
Non-interactive zero-knowledge proof
Non-interactive_zero-knowledge_proof
Property of some cryptosystems
attack is equivalent to the property of semantic security, and many cryptographic proofs use these definitions interchangeably. A cryptosystem is considered
Ciphertext indistinguishability
Ciphertext_indistinguishability
Complexity class
NP-complete problem.) NP-hard problems are often tackled with rules-based languages in areas including: Approximate computing Configuration Cryptography
NP-hardness
University of Toronto have included Stephen Cook, founder of the theory of NP-completeness which laid the groundwork for computational complexity theory, and Geoffrey
Computer science at the University of Toronto
Computer_science_at_the_University_of_Toronto
Optimization problem in computer science
of cryptographic algorithms. In addition, some lattice problems which are worst-case hard can be used as a basis for extremely secure cryptographic schemes
Lattice_problem
Protecting information by mitigating risk
1163/2210-7975_hrd-9970-2016117. Easttom, William (2021), "Elliptic Curve Cryptography", Modern Cryptography, Cham: Springer International Publishing, pp. 245–256, doi:10
Information_security
Study of computation
general classes of problems that can be solved using them. The fields of cryptography and computer security involve studying the means for secure communication
Computer_science
System that can issue, distribute and verify digital certificates
distribute, use, store and revoke digital certificates and manage public-key cryptography set-ups. The purpose of a PKI is to facilitate the secure storage and/or
Public_key_infrastructure
Cross-platform instant messaging service
has organized two cryptography contests to challenge its own security. Third parties were asked to break the service's cryptography and disclose the information
Telegram_(software)
Message-digest hashing algorithm
a cryptographic hash function; however it has been found to suffer from extensive vulnerabilities. It remains suitable for other non-cryptographic purposes
MD5
British cryptographer and cypherpunk (born 1970)
companies in applied cryptography, writing cryptographic libraries, designing, reviewing and breaking other people's cryptographic protocols. Back is a
Adam_Back
American physicist, information theorist, and IBM Research fellow
and reversible computing. He co-developed the first practical quantum cryptography protocol (BB84) with Gilles Brassard and is one of the founding fathers
Charles H. Bennett (physicist)
Charles_H._Bennett_(physicist)
Suite of IETF specifications
System (DNS) in Internet Protocol (IP) networks. The protocol provides cryptographic authentication of data, authenticated denial of existence, and data
Domain Name System Security Extensions
Domain_Name_System_Security_Extensions
Computer hardware technology that uses quantum mechanics
applications during World War II; computers played a major role in wartime cryptography, and quantum physics was essential for nuclear physics used in the Manhattan
Quantum_computing
American computer scientist and cryptographer (born 1955)
scientist, cryptographer, and inventor. He is known as a pioneer in cryptography and privacy-preserving technologies, and widely recognized as the inventor
David_Chaum
Form of digital signature
In cryptography a blind signature, as introduced by David Chaum, is a form of digital signature in which the content of a message is disguised (blinded)
Blind_signature
Class of interactive proof
In cryptography, a proof of knowledge is an interactive proof in which the prover succeeds in 'convincing' a verifier that the prover knows something.
Proof_of_knowledge
Study of stealing information securely and subliminally
kleptographic attack is an attack which uses asymmetric cryptography to implement a cryptographic backdoor. For example, one such attack could be to subtly
Kleptography
Free and open-source VPN protocol
implementing cryptographic controls, limits the choices for key exchange processes, and maps algorithms to a small subset of modern cryptographic primitives
WireGuard
Study of discrete mathematical structures
valid reasoning and inference, as well as of consistency, soundness, and completeness. For example, in most systems of logic (but not in intuitionistic logic)
Discrete_mathematics
Type of public-key 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
Identity-based_encryption
Quantum search algorithm
asymptotic speed-ups to many kinds of brute-force attacks on symmetric-key cryptography, including collision attacks and pre-image attacks. However, this may
Grover's_algorithm
Cryptographic network protocol
The Secure Shell Protocol (SSH Protocol) is a cryptographic network protocol for operating network services securely over an unsecured network. Its most
Secure_Shell
COMPLETENESS CRYPTOGRAPHY
COMPLETENESS CRYPTOGRAPHY
Girl/Female
Hindu, Indian, Marathi, Tamil
Devotion; Religious; Completeness
Girl/Female
Indian, Telugu
Completness
Boy/Male
Muslim/Islamic
Perfection completeness
Boy/Male
Muslim
Perfection. Completeness.
Boy/Male
Afghan, Arabic, Bengali, Celebrity, French, Gujarati, Hindu, Indian, Iranian, Jain, Kannada, Malayalam, Marathi, Muslim, Oriya, Parsi, Punjabi, Sanskrit, Sikh, Sindhi, Tamil, Telugu, Traditional
Lotus Flower; Perfection; Excellence; Utmost Level; Completeness; Loveable; Universal; Completion
Boy/Male
Afghan, Arabic, Muslim
Talent; Perfection; Completeness
COMPLETENESS CRYPTOGRAPHY
COMPLETENESS CRYPTOGRAPHY
Girl/Female
Tamil
Goddess Lakshmi
Girl/Female
Hindu
Goddess Lakshmi, Fortunate, Respected
Girl/Female
Hindu, Indian, Marathi
Krishna's Friend
Boy/Male
Indian, Sanskrit
God of Earth
Boy/Male
Native American
Feathered water snake.
Boy/Male
American, British, English
Thaw
Male
Egyptian
, the praenomen of a king named Rameses.
Boy/Male
Australian, French, German, Greek, Italian, Portuguese, Spanish
God Given; Gift of God; Spanish Form of Theodore Gift from God
Surname or Lastname
English
English : occupational name for a trapper (see Wiles), with the addition of Middle English man ‘man’.
Boy/Male
Hindu
COMPLETENESS CRYPTOGRAPHY
COMPLETENESS CRYPTOGRAPHY
COMPLETENESS CRYPTOGRAPHY
COMPLETENESS CRYPTOGRAPHY
COMPLETENESS CRYPTOGRAPHY
n.
The state of being complete.
v. i.
To grow round or full; hence, to attain to fullness, completeness, or perfection.
n.
The state of being full, or of abounding; abundance; completeness.
n.
The quality of being half; incompleteness.
n.
The quality or state of being complex or involved; complication.
n.
Hence, completeness; entirety; roundness.
n.
Profoundness; extent or degree of intensity; abundance; completeness; as, depth of knowledge, or color.
a.
Lacking nothing of completeness; complete; perfect; uninjured; whole; entire.
n.
Want of completion; incompleteness.
n.
The state of being entire; completeness; as, entirely of interest.
n.
The quality or state of being thorough; completeness.
n.
Want or absence of something necessary for completeness or perfection; deficiency; -- opposed to superfluity.
n.
The state of being complex; complexity.
v. t.
Full quantity, number, or amount; a complete set; completeness.
n.
The quality or state of being whole, entire, or sound; entireness; totality; completeness.
n.
The state or quality of being ample; largeness; fullness; completeness.
n.
The state of being incomplete; imperfectness; defectiveness.
v. t.
To make total, or complete;to reduce to completeness.
v. t.
To bring to fullness or completeness; to complete; hence, to bring to a fit conclusion.
n.
Totality; completeness.