Plaintext  encryption- গোপনায়ন/সঙ্কেতায়ন  ciphertext- সাঙ্কেতিক লেখা  cryptograph  cryptogram  encryption algorithm- গোপনায়নের পদ্ধতি  encryption key- সঙ্কেতায়নের চাবি  decryption algorithm-  সঙ্কেতমুক্তায়নের পদ্ধতি  decryption key  cryptographic algorithm  cipher system  Interceptor   cryptography- সঙ্কেতবিদ্যা  cryptology   cryptanalysis  cryptanalyst  worst case condition- নিকৃষ্টতম পরিস্থিতি   Cipher  Additive Cipher  Block Cipher  Caesar Cipher  Monoalphabetic Cipher  Playfair Cipher  Polyalphabetic Cipher  Simple Substitution Cipher  Stream Cipher  keystream sequence  Transposition Cipher  Vernam Cipher  Vigenere Cipher  Super-encryption    Cipher System   Asymmetric Cipher System   Conventional Cipher System   One-Key Cipher System   Public Key Cipher System   Secret Key Cipher System   Symmetric Cipher System     Exhaustive Key Search  Brute Force Attack  Chosen Plaintext Attack  Ciphertext-only Attack  Known Plaintext Attack  Public Key Attack  Man-in-the-middle attack   One-time Pad  Perfect Secrecy    Mode of Operation  Electronic Codebook Mode (ECB)  Cipher Block Chaining (CBC) mode  Cipher Feedback (CFB) mode    Hash Function  digital fingerprint  message digest  hash   Key- চাবি  Back-up Key- সংরক্ষণ চাবি  Change Key  Decryption Key  Destruction Key  Distribution Key  Key-encrypting key  Encryption Key   Establishment Key  Generation Key  Key Hierarchy  Master Key  Private Key  Public Key  Recovery Key  Session Key  Signature Key  Storage Key  Usage Key  Verification Key  Working Key  Digital Signature    Rijndael  IDEA  El Gamal  RSA   Digital Signature Standard (DSS).  Data Encryption Standard (DES)  Advanced Encryption Standard (AES)   Authentication protocol  Data Origin Authentication   Entity Authentication  One-way Authentication  Protocol Authentication  Two-way Authentication   Bigram  Biometric   CAST   Key Certification Center  Key Distribution Center  Key Translation Center  Trusted (Management) Center   Certificate  Certificate Revocation List (CRL)  Certification Authority (CA)  Certification Hierarchy  Cross-Certification  Revocation   Coding Homophonic  Collision  Communications-Electronic Security Group (CESG)  Completeness   Confidentiality  Confusion  Controlled Access Broadcast Network  Cover Time   Triple DES  Data Integrity  Decryption Algorithm   key establishment protocol   Diffie-Hellman Protocol  Diffusion   Digital Fingerprint  Digital Signature Standard (DSS)   Discrete Logarithm   E-Commerce    Electronic Frontier Foundation (EEF) 79    Encryption Algorithm  Enigma cipher    Hub and Spoke Environment  Many-to-many Environment  Point-to-Point Environment   Factorization    General Number Field Sieve (GNFS)     Identity  Identity Theft  Identity-based Public Key Cryptography   Kasiski Test   Key Life Cycle   Key Management  Hybrid Key Management  Exhaustive Key Search  Internet Key Search    Letter Frequencies   Message Authentication Code  Modular Arithmetic   National Institute of Standards (NIST)  Non-repudiation  Personal Identification Number (PIN)   Pretty Good Privacy (PGP)  Identity-based Public Key Cryptography   Public Key Infrastructure (PKI)   Quantum Cryptography    RC5  Registration Authority (RA)  Regulation of Investigatory Powers Act 2000   Secret Sharing Schemes  Secure Sockets Layer (SSL)  server-centric approach    Tamper-resistant Security Module (TRSM)  Transport Layer Security (TLS)  Trusted Third Party (TTP)  Validation Authority (VA)    Web of Trust  বিষয়শ্রেণী:তথ্যগুপ্তিবিদ্যা Category:পরিভাষা