yusuke1997/dblp-id-title huggingface dataset:
Robust Non-Interactive Multiparty Computation Against Constant-Size Collusion
A Practical Implementation of Identity-Based Encryption over NTRU Lattices
On the Validity of Spoofing Attack Against Safe is the New Smart
Hybrid Steganography deployed in hospitals for compression of medical images
How to Build Time-Lock Encryption
Symbolic computation in block cipher with application to PRESENT
Interactive Encryption, Message Authentication, and Anonymous Key Exchange
A Specification of an Anonymous Credential System Using BBS+ Signatures with Privacy-Preserving Revocation and Device Binding
Two-party ECDSA Signing at Constant Communication Overhead
Cryptanalysis of Reduced-Round Whirlwind (Full Version)
Index calculus for abelian varieties and the elliptic curve discrete logarithm problem
Select-Then-Compute: Encrypted Label Selection and Analytics over Distributed Datasets using FHE
Cryptanalysis of the AA beta Cryptosystem based on Linear Diophantine Equation Discrete Log Problem
Semantically Secure Lattice Codes for Compound MIMO Channels
RAMenPaSTA: Parallelizable Scalable Transparent Arguments of Knowledge for RAM Programs
TACITA: Threshold Aggregation without Client Interaction
Find the Bad Apples: An efficient method for perfect key recovery under imperfect SCA oracles â" A case study of Kyber
The Black-Box Simulation Barrier Persists in a Fully Quantum World
CAPA: The Spirit of Beaver against Physical Attacks
Turning HATE Into LOVE: Homomorphic Ad Hoc Threshold Encryption for Scalable MPC
Verifiability Analysis of CHVote
FleXOR: Flexible garbling for XOR gates that beats free-XOR
A Practical and Scalable Implementation of the Vernam Cipher, under Shannon Conditions, using Quantum Noise
A Framework for Group Action-Based Multi-Signatures and Applications to LESS, MEDS, and ALTEQ
Exploring multi-task learning in the context of two masked AES implementations
Improved Collision Attack on Hash Function MD5
Secure Computation in Online Social Networks
New Insights on AES-like SPN Ciphers
A unified construction of weightwise perfectly balanced Boolean functions
On Multi-Key FuncCPA Secure Encryption Schemes
Short Signatures From Diffie-Hellman: Realizing Short Public Key
Invisible Formula Attacks
A private set intersection protocol based on multi-party quantum computation for greatest common divisor
Uncovering Vulnerabilities in Smartphone Cryptography: A Timing Analysis of the Bouncy Castle RSA Implementation
Understanding Unexpected Fixed-Key Differential Behaviours: How to Avoid Major Weaknesses in Lightweight Designs (Extended Version)
Privacy-Preserving COVID-19 Contact Tracing App: A Zero-Knowledge Proof Approach
Revisiting the Security of DbHtS MACs: Beyond-Birthday-Bound in the Multi-User Setting
A Genetic Algorithm for Searching Shortest Lattice Vector of SVP Challenge
Compress: Reducing Area and Latency of Masked Pipelined Circuits
(In-)Secure messaging with the Silent Circle instant messaging protocol
Self-Destruct Non-Malleability
How To Think About End-To-End Encryption and AI: Training, Processing, Disclosure, and Consent
A note on constructions of bent functions from involutions
Collaborative Privacy-Preserving Analysis of Oncological Data using Multiparty Homomorphic Encryption
Generic Conversions from CPA to CCA secure Functional Encryption
Cryptanalysis of a Group Key Transfer Protocol Based on Secret Sharing: Generalization and Countermeasures
An Efficient Secure Three-Party Sorting Protocol with an Honest Majority
Delphi: sharing assessments of cryptographic assumptions
Proxy Key Re-encapsulation Mechanism for Group Communications
The statistical nature of leakage in SSE schemes and its role in passive attacks
Constructing TI-friendly Substitution Boxes using Shift-Invariant Permutations
Agora: A Privacy-Aware Data Marketplace
Correlation Power Analysis and Higher-order Masking Implementation of WAGE
DART: Distributed argument of knowledge for rough terrains
An optimist's Poisson model of cryptanalysis
Logical cryptoanalysis on the example of the cryptosystem DES
Knowledge Encryption and Its Applications to Simulatable Protocols With Low Round-Complexity
Breaking the Akiyama-Goto cryptosystem
Efficient Quantum Algorithm for SUBSET-SUM Problem
Leakage-Resilient Cryptography with Key Derived from Sensitive Data
Message Recovery and Pseudo-Preimage Attacks on the Compression Function of Hamsi-256
Clubcards for the WebPKI: smaller certificate revocation tests in theory and practice
Achieving Compactness Generically: Indistinguishability Obfuscation from Non-Compact Functional Encryption
A Practical Verifiable Delay Function and Delay Encryption Scheme
Fast Evaluation of Polynomials over Binary Finite Fields and Application to Side-channel Countermeasures
Threshold-optimal DSA/ECDSA signatures and an application to Bitcoin wallet security
A Permissionless Proof-of-Stake Blockchain with Best-Possible Unpredictability
RISE and SHINE: Fast and Secure Updatable Encryption
To Shift or Not to Shift: Understanding GEA-1
Path Oblivious Heap
Using the Trace Operator to repair the Polynomial Reconstruction based Cryptosystem presented at Eurocrypt 2003
Efficient implementation of AND, OR and NOT operators for ABCs
Compact Bounded-Collusion Identity-based Encryption via Group Testing
Composition of Boolean Functions: An Application to the Secondary Constructions of Bent Functions
ReSolveD: Shorter Signatures from Regular Syndrome Decoding and VOLE-in-the-Head
LAC: Practical Ring-LWE Based Public-Key Encryption with Byte-Level Modulus
Swap and Rotate: Lightweight linear layers for SPN-based blockciphers
CycSAT-Unresolvable Cyclic Logic Encryption Using Unreachable States
Revisiting Orthogonal Lattice Attacks on Approximate Common Divisor Problems and their Applications
Avoiding Trusted Setup in Isogeny-based Commitments
Generic Hardness of Inversion on Ring and Its Relation to Self-Bilinear Map
Non-Zero Inner Product Encryption Schemes from Various Assumptions: LWE, DDH and DCR
Structure-Preserving and Re-randomizable RCCA-secure Public Key Encryption and its Applications
Adaptively Secure Broadcast Encryption with Forward Secrecy
Secure password-based remote user authentication scheme with non-tamper resistant smart cards
Identification and Privacy: Zero-Knowledge is not Enough
Distinguishing LWE Instances Using Fourier Transform: A Refined Framework and its Applications
Shadowfax: Combiners for Deniability
A notion on S-boxes for a partial resistance to some integral attacks
Security Analysis of Subterranean 2.0
1024 - A High Security Software Oriented Block Cipher
XDedup: Efficient Provably-Secure Cross-User Chunk-Level Client-Side Deduplicated Cloud Storage of Encrypted Data
An Improved Internet Voting Protocol
A Differential Meet-in-the-Middle Attack on the Zip cipher
Faster ECC over F 2 571 (feat. PMULL)
An improved method for predicting truncated multiple recursive generators with unknown parameters
Near Collision Attack Against Grain v1
Unconditional correctness of recent quantum algorithms for factoring and computing discrete logarithms
The supersingular isogeny problem in genus 2 and beyond
Some results concerning global avalanche characteristics of two q-ary functions
A Differential Fault Attack against Deterministic Falcon Signatures
Witness Signatures and Non-Malleable Multi-Prover Zero-Knowledge Proofs
Zero-Knowledge Proofs from the Action Subgraph
Random sampling of supersingular elliptic curves
Nonce-Misuse Security of the SAEF Authenticated Encryption mode
Reinventing BrED: A Practical Construction Formal Treatment of Broadcast Encryption with Dealership
Byte-wise equal property of ARADI
Exploiting Weak Diffusion of Gimli: A Full-Round Distinguisher and Reduced-Round Preimage Attacks
Better Codes for the HQC Cryptosystem
Linear broadcast encryption schemes
Lightweight Fault Attack Resistance in Software Using Intra-Instruction Redundancy
Noninteractive two-channel message authentication based on hybrid-collision resistant hash functions
BSC: A Bitcoin Smart Contract Implementation
Post-Quantum Privacy Pass via Post-Quantum Anonymous Credentials
E-voting protocols in context of COVID19
Complexity Analysis of a Fast Modular Multiexponentiation Algorithm
Mix-Compress-Mix Revisited: Dispensing with Non-invertible Random Injection Oracles
EdMSM: Multi-Scalar-Multiplication for recursive SNARKs and more
Optimizing Final Exponentiation for Pairing-Friendly Elliptic Curves with Odd Embedding Degrees Divisible by 3
GAP: Born to Break Hiding
PLayPUF: Programmable Logically Erasable PUFs for Forward and Backward Secure Key Management
Virtual Secure Circuit: Porting Dual-Rail Pre-charge Technique into Software on Multicore
Sharing the LUOV: Threshold Post-Quantum Signatures
A New family of Ideal Multipartite Access Structure Based on MSP
Practical & Provably Secure Distance-Bounding
Privacy-Preserving Identifier Checking in 5G
Dual System Groups and its Applications - Compact HIBE and More
휔(1/휆)-Rate Boolean Garbling Scheme from Generic Groups
Appenzeller to Brie: Efficient Zero-Knowledge Proofs for Mixed-Mode Arithmetic and ℤ 2 k
A Note on the Blindness of the Scheme from ePrint 2025/397
An asymptotically optimal RFID protocol against relay attacks
Upper bounding the number of bent functions using 2-row bent rectangles
Generic Construction of Server-Aided Revocable Hierarchical Identity-Based Encryption with Decryption Key Exposure Resistance
Secret Sharing Schemes : A Fine Grained Analysis
Wedges, oil, and vinegar - An analysis of UOV in characteristic 2
Quantum Secure Privacy Preserving Technique to Obtain the Intersection of Two Datasets for Contact Tracing
Efficient Computation of (2 n , 2 n )-Isogenies
Evaluating Octic Residue Symbols
Viaduct: An Extensible, Optimizing Compiler for Secure Distributed Programs (Technical Report)
A Variant of Coppersmith's Algorithm with Improved Complexity and Efficient Exhaustive Search
Analysis and Improvement of Authenticatable Ring Signcryption Scheme
Statistical Analysis of the MARS Block Cipher
Factor-4 and 6 (De)compression for Values of Pairings using Trace Maps
Hierarchical Identity-Based Encryption with Tight Multi-Challenge Security
Integral Attack on the Full FUTURE Block Cipher
Secure merge with O(n log log n) secure operation
Cryptography is Rocket Science: Analysis of BPSec
Bulletproofs for R1CS: Bridging the Completeness-Soundness Gap and a ZK Extension
Fault based cryptanalysis of the Advanced Encryption Standard
Multi-Party Authenticated Key Agreement Protocols from Multilinear Forms
A secure email login system using virtual password
Huge 2ndpreimages and collisions of khichidi-1
HiSE: Hierarchical (Threshold) Symmetric-key Encryption
Aura: private voting with reduced trust on tallying authorities
Optimal Statistical Power Analysis
On isogeny classes of Edwards curves over finite fields
Cubic groups
Constant-time verification for cut-and-choose-based signatures
A Fuzzy Vault Scheme
Finding many Collisions via Reusable Quantum Walks
On the tropical discrete logarithm problem and security of a protocol based on tropical semidirect product
Delegated Private Matching for Compute
Fibonacci Ring Oscillators as True Random Number Generators - A Security Risk
Tightly Secure IBE under Constant-size Master Public Key
LaPSuS - A Lattice-Based Private Stream Aggregation Scheme under Scrutiny
Strongly-Secure Identity-based Key Agreement and Anonymous Extension
Guaranteeing a Dishonest Party's Knowledge (Or: Setup Requirements for Deniable Authentication)
A Lattice Attack Against a Family of RSA-like Cryptosystems
Amortizing Circuit-PSI in the Multiple Sender/Receiver Setting
Block-wise Non-Malleable Codes
Towards a Tightly Secure Signature in Multi-User Setting with Corruptions Based on Search Assumptions
Thermocommunication
From Random Oracles to Ideal Signatures, and Back
Preimage attacks on Reduced-round Stribog
Dual lattice attacks for closest vector problems (with preprocessing)
Efficient KZG-based Univariate Sum-check and Lookup Argument
Cryptanalysis of a New Code-based Signature Scheme with Shorter Public Key in PKC 2019
Cryptanalysis of the New CLT Multilinear Maps
Factor-4 and 6 Compression of Cyclotomic Subgroups
Another Round of Breaking and Making Quantum Money: How to Not Build It from Lattices, and More
Stateless Deterministic Multi-Party EdDSA Signatures with Low Communication
HypSCA: A Hyperbolic Embedding Method for Enhanced Side-channel Attack
Password Based Key Exchange with Hidden Elliptic Curve Public Parameters
High-Order and Cortex-M4 First-Order Implementations of Masked FrodoKEM
Leaking Secrets in Homomorphic Encryption with Side-Channel Attacks
RAD-FS - Inherent and Embedded SCA-Security in Ultra-Low Power IoTs
A High Performance Payment Processing System Designed for Central Bank Digital Currencies
Verified Implementations for Secure and Verifiable Computation
Watermarking PRFs against Quantum Adversaries
Memory-Tight Multi-Challenge Security of Public-Key Encryption
Ideal Compartmented Secret Sharing Scheme Based on the Chinese Remainder Theorem for Polynomial Rings
Efficient Maliciously Secure Two Party Computation for Mixed Programs
The module action for isogeny based cryptography
Gate-Level Masking of Streamlined NTRU Prime Decapsulation in Hardware
Low Linear Complexity Estimates for Coordinate Sequences of Linear Recurrences of Maximal Period over Galois Ring
Families of fast elliptic curves from Q-curves
Privacy for Distributed Databases via (Un)linkable Pseudonyms
Dronecrypt - An Ultra-Low Energy Cryptographic Framework for Small Aerial Drones
Rank Estimation with Bounded Error via Exponential Sampling
JANUS: Enhancing Asynchronous Common Subset with Trusted Hardware
Distributed Time-Memory Tradeoff Attacks on Ciphers (with Application to Stream Ciphers and Counter Mode)
Secure Non-interactive Simulation: Hardness & Feasibility
Cube Test Analysis of the Statistical Behavior of CubeHash and Skein
PRIVATON - Privacy Preserving Automaton for Proof of Computations
Computational Irrelevancy: Bridging the Gap between Pseudo- and Real Randomness in MPC Protocols
Practical DRAM PUFs in Commodity Devices
New Integrated proof Method on Iterated Hash Structure and New Structures
Limits on Authenticated Encryption Use in TLS
PEARL-SCALLOP: Parameter Extension Applicable in Real-Life SCALLOP
TinyTate: Identity-Based Encryption for Sensor Networks
Smashing MASH-1
A quasi-polynomial algorithm for discrete logarithm in finite fields of small characteristic
On the Traceability of Tags in SUAP RFID Authentication Protocols
Practical, Label Private Deep Learning Training based on Secure Multiparty Computation and Differential Privacy
A Generic Framework for Side-Channel Attacks against LWE-based Cryptosystems
A Unified Approach to Combinatorial Key Predistribution Schemes for Sensor Networks
A tale of two models: formal verification of KEMTLS via Tamarin
Generic Universal Forgery Attack on Iterative Hash-based MACs
Asymptotic improvements to provable algorithms for the code equivalence problem
Secret Sharing Schemes for Ports of Matroids of Rank 3
The PACE|AA Protocol for Machine Readable Travel Documents, and its Security
Another look at some isogeny hardness assumptions
Electromagnetic Side Channels of an FPGA Implementation of AES
T-MATCH: Privacy-Preserving Item Matching for Storage-Only RFID Tags
Regev's attack on hyperelliptic cryptosystems
An Improved Differential Fault Attack on Camellia
On Resettably-Sound Resttable Zero Knowledege Arguments
On The Insider Security of MLS
A Comparison of Chi^2-Test and Mutual Information as Distinguisher for Side-Channel Analysis
Signatures with Tight Multi-User Security from Search Assumptions
Simulatable Security and Polynomially Bounded Concurrent Composition
Key-Homomorphic Signatures and Applications to Multiparty Signatures
Simple oblivious transfer protocols compatible with Kummer and supersingular isogenies
Breaking 104 bit WEP in less than 60 seconds
What Hashes Make RSA-OAEP Secure?
Refine the Concept of Public Key Encryption with Delegated Search
Constructions of Truly Practical Secure Protocols using Standard Smartcards
Single Server PIR with Sublinear Amortized Time and Polylogarithmic Bandwidth
Multiplication and Squaring on Pairing-Friendly Fields
Confidential Assets on MimbleWimble
Efficient ECM factorization in parallel with the Lyness map
A Novel NIZK-based Privacy Preserving Biometric Identification Scheme for Internet of Things
How much randomness can be extracted from memoryless Shannon entropy sources?
PERSEUS - Probabilistic Evaluation of Random probing SEcurity Using efficient Sampling
Learning with Alternating Moduli, Arora-Ge over Composite Moduli, and Weak PRFs
SNR-Centric Power Trace Extractors for Side-Channel Attacks
Computing isogenies between finite Drinfeld modules
Blackbox Constructions from Mix-Nets
Binary Tree Based Forward Secure Signature Scheme in the Random Oracle Model
Breaking Free: Efficient Multi-Party Private Set Union Without Non-Collusion Assumptions
How to Delegate and Verify in Public: Verifiable Computation from Attribute-based Encryption
HaTCh: Hardware Trojan Catcher
Secure Key Exchange Protocol based on Virtual Proof of Reality
Tempora-Fusion: Time-Lock Puzzle with Efficient Verifiable Homomorphic Linear Combination
On Verifying Dynamic Multiple Data Copies over Cloud Servers
EvalRound+ Bootstrapping and its Rigorous Analysis for CKKS Scheme
A New Approach to Generic Lower Bounds: Classical/Quantum MDL, Quantum Factoring, and More
Nonlinear computations on FinTracer tags
Strengthened Encryption in the CBC Mode
On CCZ-equivalence and its use in secondary constructions of bent functions
A New Method for Decomposition in the Jacobian of Small Genus Hyperelliptic Curves
Fast Hashing to G 2 in Direct Anonymous Attestation
Computational Soundness of Symbolic Zero-knowledge Proofs: Weaker Assumptions and Mechanized Verification
New Data-Efficient Attacks on Reduced-Round IDEA
A Framework for Efficient Signatures, Ring Signatures and Identity Based Encryption in the Standard Model
High-Throughput Permissionless Blockchain Consensus under Realistic Network Assumptions
Multi-Input Inner-Product Functional Encryption from Pairings
Analysis on the MinRank Attack using Kipnis-Shamir Method Against Rainbow
Memory Optimizations of Wagner's Algorithm with Applications to Equihash
A New Cryptanalytic Time/Memory/Data Trade-off Algorithm
Towards Provably Secure Software Attestation
Locally Reconstructable Non-malleable Secret Sharing
Ponyta: Foundations of Side-Contract-Resilient Fair Exchange
Weaknesses in a leakage-resilient authenticated key transport protocol
Secret Sharing Schemes with General Access Structures (Full version)
Isogeny problems with level structure
HyperWolf: Efficient Polynomial Commitment Schemes from Lattices
Aggregated Private Information Retrieval: A First Practical Implementation to Support Large-Scale Disease Analytics
Linear Cryptanalysis of Reduced-Round SIMON Using Super Rounds
Non-Interactive Key Exchange: New Notions, New Constructions, and Forward Security
Anonymous Fingerprinting with Direct Non-Repudiation
FHE Bootstrapping in less than a second
OOPS: One-time Oblivious Polynomial Signatures
Efficient and Universally Composable Protocols for Oblivious Transfer from the CDH Assumption
Smoothing Parameter and Shortest Vector Problem on Random Lattices
On multivariate signature-only public key cryptosystems
Verification of FPGA-augmented trusted computing mechanisms based on Applied Pi Calculus
Bellcore attack in practice
Fully Homomorphic Encryption over the Integers Revisited
FourQ: four-dimensional decompositions on a Q-curve over the Mersenne prime
Bypassing the characteristic bound in logUp
Fast hashing to G2 on pairing friendly curves
Efficient Unobservable Anonymous Reporting against Strong Adversaries
MU-ORAM: Dealing with Stealthy Privacy Attacks in Multi-User Data Outsourcing Services
Elliptic Curve Cryptography: The Serpentine Course of a Paradigm Shift
Constructing Vectorial Boolean Functions with High Algebraic Immunity Based on Group Decomposition
Post-Quantum Ready Key Agreement for Aviation
Authentication and Key Agreement via Memorable Password
Symbolic and Computational Reasoning About Cryptographic Modes of Operation
Private Set Intersection from Pseudorandom Correlation Generators
What is the Effective Key Length for a Block Cipher: an Attack on Every Block Cipher
Leveled Fully Homomorphic Encryption Schemes with Hensel Codes
A Probabilistic Public Key Encryption Switching Protocol for Secure Cloud Storage Applications
Secure Multi-Party Computation from Strongly Uniform Key Agreement
On the Round Complexity of Black-box Secure MPC
Computing 2-isogenies between Kummer lines
Higher Order Correlation Attacks, XL algorithm and Cryptanalysis of Toyocrypt
Eva: Efficient IVC-Based Authentication of Lossy-Encoded Videos
CKEF: A Cluster-based Key Establishment Framework for homogenous mobile and static wireless sensor networks
Optimized Supersingular Isogeny Key Encapsulation on ARMv8 Processors
Improved quantum attack on Type-1 Generalized Feistel Schemes and Its application to CAST-256
Relations among new CCA security notions for approximate FHE
Comparison of cube attacks over different vector spaces
You Only Decapsulate Once: Ciphertext-Independent Single-Trace Passive Side-Channel Attacks on HQC
Revisit of Group-based Unidirectional Proxy Re-encryption Scheme
Approximate Modeling of Signed Difference and Digraph based Bit Condition Deduction: New Boomerang Attacks on BLAKE
Improved Cache Trace Attack on AES and CLEFIA by Considering Cache Miss and S-box Misalignment
Policy-Based Non-interactive Outsourcing of Computation using multikey FHE and CP-ABE
Computationally Secure Two-Round Authenticated Message Exchange
SimpleENC and SimpleENCsmall - an Authenticated Encryption Mode for the Lightweight Setting
One Time Programs with Limited Memory
Speeding-Up Parallel Computation of Large Smooth-Degree Isogeny using Precedence-Constrained Scheduling
On the Limits of Point Function Obfuscation
The Local Forking Lemma and its Application to Deterministic Encryption
Byzantine Fault Tolerance from Weak Certificates
On the Concrete Security of Approximate FHE with Noise-Flooding Countermeasures
A note on "intelligent drone-assisted robust lightweight multi-factor authentication for military zone surveillance in the 6G era"
Non-interactive Distributional Indistinguishability (NIDI) and Non-Malleable Commitments
A Cryptanalysis of the Original Domingo-Ferrer's Algebraic Privacy Homomophism
Enhanced Ownership Transfer Protocol for RFID in an Extended Communication Model
NJS: Database Protection Algorithm
Security Proof of AugPAKE
Generalized word-oriented feedback shift registers
New Multilinear Maps over the Integers
Implementing Conjunction Obfuscation under Entropic Ring LWE
Zero-knowledge Authenticator for Blockchain: Policy-private and Obliviously Updateable
AsyRand: fast asynchronous distributed randomness beacon with reconfiguration
Stamp \& Extend - Instant but Undeniable Timestamping based on Lazy Trees
On Algebraic Immunity of Tr(x -1 ) over 𝔽 2 n
Framework for Security Proofs for On-demand Routing Protocols in Multi-Hop Wireless Networks
Cryptanalysis of Threshold-Multisignature Schemes
Optimal Key Consensus in Presence of Noise
TumbleBit: An Untrusted Tumbler for Bitcoin-Compatible Anonymous Payments
A Bound For Multiparty Secret Key Agreement And Implications For A Problem Of Secure Computing
Structured Module Learning With Errors From Cyclic Algebras
A Comprehensive Survey on Non-Invasive Fault Injection Attacks
Chain Reductions for Multi-Signatures
A White-Box Speck Implementation using Self-Equivalence Encodings (Full Version)
Dragonblood: A Security Analysis of WPA3's SAE Handshake
HPAZ: a High-throughput Pipeline Architecture of ZUC in Hardware
Breaking Public Keys - How to Determine an Unknown RSA Public Modulus
Reduction of the secret key length in the perfect cipher by data compression and randomisation
Threshold Cryptosystems From Threshold Fully Homomorphic Encryption
Ultralightweight cryptography for passive RFID system
New optimization techniques for PlonKâs arithmetization
A Sufficient Condition for Secure Ping-Pong Protocols
Nonlinear Invariant Attack -Practical Attack on Full SCREAM, iSCREAM, and Midori64
On the practical CPAD security of "exact" and threshold FHE schemes and libraries