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Side-channel attack exploiting sound
Acoustic cryptanalysis is a type of side-channel attack that exploits sounds emitted by computers or other devices. Most of the modern acoustic cryptanalysis
Acoustic_cryptanalysis
Action of recording the keys struck on a keyboard
methods exist, ranging from hardware and software-based approaches to acoustic cryptanalysis. In the mid-1970s, the Soviet Union developed and deployed a hardware
Keylogger
Any attack based on information gained from the implementation of a computer system
TEMPEST (aka Van Eck phreaking or radiation monitoring) attacks. Acoustic cryptanalysis – attacks that exploit sound produced during a computation (rather
Side-channel_attack
Topics referred to by the same term
piano that affect its sound Acoustic cryptanalysis, in cryptography, a side channel attack which exploits sounds Acoustic fingerprint, a condensed digital
Acoustic
General form of cryptanalysis applicable primarily to block ciphers
Differential cryptanalysis is a general form of cryptanalysis applicable primarily to block ciphers, but also to stream ciphers and cryptographic hash
Differential_cryptanalysis
Israeli cryptographer (born 1952)
differential cryptanalysis in the late 1980s, a general method for attacking block ciphers. It later emerged that differential cryptanalysis was already
Adi_Shamir
manufacturing stage. This can help to identify individual platforms. Acoustic cryptanalysis OPSEC (1996). Intelligence Threat Handbook. DIANE Publishing. pp
Acoustical_intelligence
Professor of computer science
his colleagues demonstrated an RSA key extraction attack using acoustic cryptanalysis, a type of side-channel attack. In 2014, Tromer coauthored the design
Eran_Tromer
Block cipher
2000[update], the best published cryptanalysis of the Twofish block cipher is a truncated differential cryptanalysis of the full 16-round version. The
Twofish
Surveillance device
apply to conversations in public areas in some circumstances.) Acoustic cryptanalysis Cellphone surveillance Communications interception Eavesdropping
Covert_listening_device
Algorithm for public-key cryptography
Nettle OpenSSL wolfCrypt GnuTLS mbed TLS LibreSSL Mathematics portal Acoustic cryptanalysis Computational complexity theory Diffie–Hellman key exchange Digital
RSA_cryptosystem
Form of cryptanalysis
In cryptography, linear cryptanalysis is a general form of cryptanalysis based on finding affine approximations to the action of a cipher. Attacks have
Linear_cryptanalysis
Technique in cryptography
cryptanalysis is a form of cryptanalysis for block ciphers. Developed by Carlo Harpes in 1995, the attack is a generalization of linear cryptanalysis
Partitioning_cryptanalysis
Signal analyser
making distortion measurements, and playing back audio files. Acoustic cryptanalysis Audio codec lossy compression analysis Audio signal processing Bioacoustics
Baudline
Block cipher
Differential Cryptanalysis of CLEFIA". Retrieved 25 October 2010. Cihangir Tezcan (8 August 2010). "The Improbable Differential Attack: Cryptanalysis of Reduced
CLEFIA
Early unclassified symmetric-key block cipher
less complexity than a brute-force search: differential cryptanalysis (DC), linear cryptanalysis (LC), and Davies' attack. However, the attacks are theoretical
Data_Encryption_Standard
Security architecture implemented in hardware
(computing) Side-channel attack Power analysis Electromagnetic attack Acoustic cryptanalysis Timing attack Supply chain security List of computer hardware manufacturers
Hardware_security
Block cipher
than exhaustive search) within months using impossible differential cryptanalysis. A truncated differential attack was also published against 28 rounds
Skipjack_(cipher)
Technology to disable microphones
constantly evolving spyware and malware.[citation needed] A new acoustic cryptanalysis technique, discovered by a research team at Israel's Ben-Gurion
Microphone_blocker
Block cipher
cipher cryptanalysis" (PDF). {{cite journal}}: Cite journal requires |journal= (help) Posteuca, R.; Negara, G. (2015). "Integral cryptanalysis of round-reduced
Prince_(cipher)
Data security technology
systems are vulnerable to various side channel attacks such as acoustic cryptanalysis and hardware keyloggers. In contrast, self-encrypting drives are
Disk_encryption
English scientist and MI5 intelligence officer
the basic methods of ELINT, for example: Operation ENGULF (MI5): acoustic cryptanalysis—recording the sound of the settings of Egyptian Hagelin cipher machines
Peter_Wright_(MI5_officer)
Type of cipher
A linear cryptanalysis is a form of cryptanalysis based on finding affine approximations to the action of a cipher. Linear cryptanalysis is one of the
Block_cipher
Linux-based 2020 Smartphone
the microphone will prevent the 3.5 mm audio jack being used for acoustic cryptanalysis. In place of an integrated mobile SoC found in most smartphones
Librem_5
Family of lightweight block ciphers
this was included to block slide and rotational cryptanalysis attacks. Still, rotational-XOR cryptanalysis has been used to find distinguishers against reduced-round
Simon_(cipher)
Block cipher
Youngdai; Chang, Donghoon; Lee, Wonil; Lee, Sangjin (2004). "Differential Cryptanalysis of TEA and XTEA". In Lim, JI.; Lee, DH. (eds.). Information Security
XTEA
Type of cryptanalytic attack
NXT). Unlike differential cryptanalysis, which uses pairs of chosen plaintexts with a fixed XOR difference, integral cryptanalysis uses sets or even multisets
Integral_cryptanalysis
Practice and study of secure communication techniques
letter, a syllable, or a pair of letters, etc.) to produce a cyphertext. Cryptanalysis is the term used for the study of methods for obtaining the meaning
Cryptography
Soviet/Russian national standard block cipher
Kara (2008). "Reflection Cryptanalysis of Some Ciphers". Nicolas T. Courtois; Michał Miształ (2011). "Differential Cryptanalysis of GOST". IACR. Nicolas
GOST_(block_cipher)
Cryptographic algorithm
PRESENT was suggested in 2014. Several full-round attacks using biclique cryptanalysis have been introduced on PRESENT. By design all block ciphers with a
PRESENT
Monitoring of computer or network activity
August 2017. Retrieved 10 November 2017. Adi Shamir & Eran Tromer. "Acoustic cryptanalysis". Blavatnik School of Computer Science, Tel Aviv University. Archived
Computer and network surveillance
Computer_and_network_surveillance
Intelligence-gathering by interception of signals
is usually encrypted, signals intelligence may necessarily involve cryptanalysis (to decipher the messages). Traffic analysis—the study of who is signaling
Signals_intelligence
Information security awards
Most Innovative Research: RSA Key Extraction via Low-Bandwidth Acoustic Cryptanalysis (Daniel Genkin, Adi Shamir, Eran Tromer); extract RSA decryption
Pwnie_Awards
Standard for the encryption of electronic data
and Dmitry Khovratovich, Related-key Cryptanalysis of the Full AES-192 and AES-256, "Related-key Cryptanalysis of the Full AES-192 and AES-256". Table
Advanced_Encryption_Standard
Attack against cryptographic algorithms
differential cryptanalysis. The term "rotational cryptanalysis" was coined by Dmitry Khovratovich and Ivica Nikolić in 2010 paper "Rotational Cryptanalysis of ARX"
Rotational_cryptanalysis
Open-source password management software
chosen-ciphertext attack and acoustic cryptanalysis during decryption. NOTE: applications are not typically expected to protect themselves from acoustic side-channel
KWallet
Block cipher
susceptible to various forms of cryptanalysis, and has acted as a catalyst in the discovery of differential and linear cryptanalysis. There have been several
FEAL
Exploitation of impossible differences in block ciphers
impossible differential cryptanalysis is a form of differential cryptanalysis for block ciphers. While ordinary differential cryptanalysis tracks differences
Impossible differential cryptanalysis
Impossible_differential_cryptanalysis
Basic component of symmetric key algorithms
perfect S-box. S-boxes can be analyzed using linear cryptanalysis and differential cryptanalysis in the form of a Linear approximation table (LAT) or
S-box
Block cipher
chosen-plaintext attack requiring 259 queries and negligible work. See cryptanalysis below. The cipher's designers were Roger Needham and David Wheeler of
XXTEA
Attack applicable to block and stream ciphers
cryptography, mod n cryptanalysis is an attack applicable to block and stream ciphers. It is a form of partitioning cryptanalysis that exploits unevenness
Mod_n_cryptanalysis
Block cipher
rotated 56 bits for use in the next two rounds. Only a small amount of cryptanalysis has been published on NewDES. The designer showed that NewDES exhibits
NewDES
Block cipher
slices. This maximizes parallelism but also allows use of the extensive cryptanalysis work performed on DES. Serpent took a conservative approach to security
Serpent_(cipher)
digital signature guidelines • ABC (stream cipher) • Abraham Sinkov • Acoustic cryptanalysis • Adaptive chosen-ciphertext attack • Adaptive chosen plaintext
Index of cryptography articles
Index_of_cryptography_articles
Cryptographic algorithm
known-plaintext attacks, chosen-plaintext attacks, differential cryptanalysis and linear cryptanalysis. Careful construction of the functions for each round can
Symmetric-key_algorithm
Family of block ciphers
this was included to block slide and rotational cryptanalysis attacks. Still, rotational-XOR cryptanalysis has been used to find distinguishers against reduced-round
Speck_(cipher)
Type of cryptanalytic attack
cryptanalysis is a generalization of differential cryptanalysis, an attack used against block ciphers. While in standard differential cryptanalysis the
Higher-order differential cryptanalysis
Higher-order_differential_cryptanalysis
Algorithm that calculates all the round keys from the key
the cipher key and the round keys, in order to resist such forms of cryptanalysis as related-key attacks and slide attacks, many modern ciphers use more
Key_schedule
Attacks against common ciphers
Rechberger (2011-08-17). "Biclique Cryptanalysis of the Full AES". Cryptology ePrint Archive. Vincent Rijmen (1997). "Cryptanalysis and Design of Iterated Block
Cipher_security_summary
Form of cryptanalysis
the differential-linear attack is a mix of both linear cryptanalysis and differential cryptanalysis. The attack utilises a differential characteristic over
Differential-linear_attack
Block cipher
Blowfish provides a good encryption rate in software, and no effective cryptanalysis of it has been found to date for smaller files. It is recommended Blowfish
Blowfish_(cipher)
Block cipher
Code Hopping Transponder and Encoder..." Martin Novotny; Timo Kasper. "Cryptanalysis of KeeLoq with COPACOBANA" (PDF). SHARCS 2009 Conference: 159–164. {{cite
KeeLoq
Variant of the meet-in-the-middle method of cryptanalysis
of cryptanalysis. It utilizes a biclique structure to extend the number of possibly attacked rounds by the MITM attack. Since biclique cryptanalysis is
Biclique_attack
ailments and allergic conditions for consideration All-source intelligence Cryptanalysis Meteorological intelligence Operations security Spy satellite TEMPEST
List of intelligence gathering disciplines
List_of_intelligence_gathering_disciplines
Block cipher
Kelsey, John; Schneier, Bruce; Wagner, David (1997). "Related-key cryptanalysis of 3-WAY, Biham-DES, CAST, DES-X, NewDES, RC2, and TEA". Information
Tiny_Encryption_Algorithm
Block cipher
component, and flaws in them are what both differential cryptanalysis and linear cryptanalysis seek to exploit. While Madryga's rotations are data-dependent
Madryga
Block cipher
string of bytes. In October 2010, an attack that combines rotational cryptanalysis with the rebound attack was published. The attack mounts a known-key
Threefish
Form of cryptanalaysis
In cryptography, truncated differential cryptanalysis is a generalization of differential cryptanalysis, an attack against block ciphers. Lars Knudsen
Truncated differential cryptanalysis
Truncated_differential_cryptanalysis
Form of cryptanalysis
the boomerang attack is a method for the cryptanalysis of block ciphers based on differential cryptanalysis. The attack was published in 1999 by David
Boomerang_attack
Block cipher
structure, known as Generalized Unbalanced Feistel Networks (GUFNs). The cryptanalysis proceeded very quickly, so quickly that the cipher was broken at the
MacGuffin_(cipher)
Principle used in linear cryptanalysis
In cryptanalysis, the piling-up lemma is a principle used in linear cryptanalysis to construct linear approximations to the action of block ciphers. It
Piling-up_lemma
Block cipher
to a range of attacks, including differential cryptanalysis, linear cryptanalysis and mod n cryptanalysis. "ISO/IEC9979-0020 Register Entry" (PDF). Professor
M8_(cipher)
Block cipher
also increases the strength of DES against differential cryptanalysis and linear cryptanalysis, although the improvement is much smaller than in the case
DES-X
Wide-block cipher
Block size Key size Key whitening (Whitening transformation) Attack (cryptanalysis) Brute-force (EFF DES cracker) MITM Biclique attack 3-subset MITM attack
Adiantum_(cipher)
Symmetric-key block cipher
designers analysed IDEA to measure its strength against differential cryptanalysis and concluded that it is immune under certain assumptions. No successful
International Data Encryption Algorithm
International_Data_Encryption_Algorithm
Block cipher
algorithm based on a draft standard is given by Kelsey, et al. in their cryptanalysis of this family of ciphers. The algorithm operates on blocks of 64 bits
M6_(cipher)
Family of block ciphers
Following the publication of LOKI89, information on the new differential cryptanalysis became available, as well as some early analysis results by (Knudsen
LOKI
Block cipher
3-Way, just as its counterpart BaseKing, is vulnerable to related key cryptanalysis. John Kelsey, Bruce Schneier, and David Wagner showed how it can be
3-Way
Block cipher
Deukjo Hong; Seokhie Hong; Sangjin Lee & Jongin Lim (2003). "Linear Cryptanalysis on SPECTR-H64 with Higher Order Differential Property". Computer Network
Spectr-H64
Earliest civilian block ciphers
blocks and 128-bit keys. This version is susceptible to differential cryptanalysis; for about half the keys, the cipher can be broken with 236 chosen plaintexts
Lucifer_(cipher)
Block cipher
network Block sizes 128 bits Structure Substitution–permutation network Rounds 10 Best public cryptanalysis A meet-in-the-middle attack on 5 rounds.
Kuznyechik
Block cipher designed in 2000 by Chang-Hyi Lee
SHARK. Zodiac is theoretically vulnerable to impossible differential cryptanalysis, which can recover a 128-bit key in 2119 encryptions. Zodiac Technical
Zodiac_(cipher)
Process of developing the AES standard
memory, low gate count implementations, FPGAs). Some designs fell due to cryptanalysis that ranged from minor flaws to significant attacks, while others lost
Advanced Encryption Standard process
Advanced_Encryption_Standard_process
Chinese block cipher
December 2024. p. 1-3. Retrieved 2 February 2025. Linear and Differential Cryptanalysis of Reduced SMS4 Block Cipher Example of SMS4 implemented as a Spreadsheet
SM4_(cipher)
Block cipher
"Cryptanalysis of the Improved Cellular Message Encryption Algorithm" (PDF). The attack on CMEA Press release and the NSA response Cryptanalysis of
Cellular Message Encryption Algorithm
Cellular_Message_Encryption_Algorithm
Block cipher used by the 4C Entity
Julia; Knudsen, Lars R.; Leander, Gregor; Matusiewicz, Krystian (2009). "Cryptanalysis of C2". Advances in Cryptology - CRYPTO 2009. Lecture Notes in Computer
Cryptomeria_cipher
Cryptographic attack
Block size Key size Key whitening (Whitening transformation) Attack (cryptanalysis) Brute-force (EFF DES cracker) MITM Biclique attack 3-subset MITM attack
Timing_attack
Block cipher
Red Pike Biryukov, Alex; Kushilevitz, Eyal (31 May 1998). Improved Cryptanalysis of RC5 (PDF). EUROCRYPT 1998. doi:10.1007/BFb0054119. Rivest, R. L.
RC5
Block cipher
against ordinary differential cryptanalysis, KN-Cipher was later broken using higher order differential cryptanalysis. Presented as "a prototype...compatible
KN-Cipher
Implementations of Advanced Encryption Standard
Block size Key size Key whitening (Whitening transformation) Attack (cryptanalysis) Brute-force (EFF DES cracker) MITM Biclique attack 3-subset MITM attack
AES_implementations
Feistel network based block cipher
Sangjin; Lim, Jongin; Yoon, Seonhee (2001). "Truncated differential cryptanalysis of Camellia". In Kim, Kwangjo (ed.). Information Security and Cryptology
Camellia_(cipher)
Block cipher
theory to be provably secure against ordinary differential and linear cryptanalysis, in 1999 Lars Knudsen and Vincent Rijmen presented a differential chosen-ciphertext
DFC_(cipher)
Block cipher
Block size Key size Key whitening (Whitening transformation) Attack (cryptanalysis) Brute-force (EFF DES cracker) MITM Biclique attack 3-subset MITM attack
MULTI2
Block cipher
best public cryptanalysis of CAST-256 in the standard single secret key setting that works for all keys is the zero-correlation cryptanalysis breaking 28
CAST-256
Block cipher
However, it was successfully broken in 2015 by Yosuke Todo using integral cryptanalysis; this attack was improved in the same year by Achiya Bar-On. "MISTY"
MISTY1
Block cypher operating mode
Block size Key size Key whitening (Whitening transformation) Attack (cryptanalysis) Brute-force (EFF DES cracker) MITM Biclique attack 3-subset MITM attack
Xor–encrypt–xor
Family of authenticated ciphers
Block size Key size Key whitening (Whitening transformation) Attack (cryptanalysis) Brute-force (EFF DES cracker) MITM Biclique attack 3-subset MITM attack
Ascon_(cipher)
Authenticated encryption mode for block ciphers
Block size Key size Key whitening (Whitening transformation) Attack (cryptanalysis) Brute-force (EFF DES cracker) MITM Biclique attack 3-subset MITM attack
Galois/Counter_Mode
Block cipher invented by Joan Daemen and Vincent Rijmen
Encryption Standard. Square was introduced together with a new form of cryptanalysis discovered by Lars Knudsen, called the "Square attack". The structure
Square_(cipher)
Block cipher
Biham and Adi Shamir showed that GDES was vulnerable to differential cryptanalysis, and that any GDES variant faster than DES is also less secure than
GDES
Agency dealing with secret intelligence
overt and covert and may include espionage, communication interception, cryptanalysis, cooperation with other institutions, and evaluation of public sources
Intelligence_agency
Type of cryptographic attack
In cryptography, the Davies attack is a dedicated statistical cryptanalysis method for attacking the Data Encryption Standard (DES). The attack was originally
Davies_attack
Block cipher
Kelsey, John; Schneier, Bruce; Wagner, David (1997). "Related-key cryptanalysis of 3-WAY, Biham-DES, CAST, DES-X, NewDES, RC2, and TEA". In Han, Y.;
RC2
Block cipher
64n bit key. Van Rompay et al. (1998) attempted to apply differential cryptanalysis to ICE. They described an attack on Thin-ICE which recovers the secret
ICE_(cipher)
Block cipher
function of Akelarre is similar to IDEA in structure. After the successful cryptanalysis of Akelarre, its designers responded with an updated variant called
Akelarre_(cipher)
Input to a cryptographic primitive
Block size Key size Key whitening (Whitening transformation) Attack (cryptanalysis) Brute-force (EFF DES cracker) MITM Biclique attack 3-subset MITM attack
Initialization_vector
Theoretical attack on block ciphers
known plaintexts to perform; previous methods of cryptanalysis, such as linear and differential cryptanalysis, often require unrealistically large numbers
XSL_attack
Block cipher
together with the cipher's not having been designed to resist linear cryptanalysis, meant that other designs were pursued instead, such as 3-Way. MMB has
MMB_(cipher)
Family of block ciphers
It is designed according to a variant of the wide-trail strategy. Cryptanalysis by Lars Knudsen and Håvard Raddum in April 2001 showed that "indirect
NOEKEON
Cryptanalytic attacks using a system of multivariate equations
Algebraic attack is a method of algebraic cryptanalysis by which a set of algebraic equations can be used to solve a cryptographic Boolean function that
Algebraic_attack
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ACOUSTIC CRYPTANALYSIS
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ACOUSTIC CRYPTANALYSIS
ACOUSTIC CRYPTANALYSIS
ACOUSTIC CRYPTANALYSIS
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ACOUSTIC CRYPTANALYSIS
ACOUSTIC CRYPTANALYSIS
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