cryptography

/krip'tɔgrəfi/

Thân thiện

A student uses cryptography to send a secret message to a friend.

Definition

1. Noun:
   • The act or process of writing in code or cipher: The practice and study of techniques for secure communication, specifically focusing on transforming information to make it unreadable to unauthorized parties.
   • The science of analyzing and deciphering codes and ciphers: The field of study concerned with breaking codes, understanding encryption systems, and ensuring information security.

Usage Examples

• Noun:
  • Modern online banking relies heavily on cryptography to protect financial transactions.
  • She is studying cryptography to become a cybersecurity expert.
  • The ancient art of cryptography was used by generals to send secret orders to their armies.

Advanced Usage

• "Public-key cryptography": A cryptographic system that uses pairs of keys: a public key, which may be disseminated widely, and a private key, which is known only to the owner.

  • Secure email often uses public-key cryptography for encryption and digital signatures.

• "Applied cryptography": The practical implementation of cryptographic methods in software, hardware, and protocols.

  • The engineer's expertise in applied cryptography was crucial for developing the new secure messaging app.

Variants and Related Words

• Cryptographic (adj): Relating to or involving cryptography.
  • The system uses strong cryptographic algorithms.
• Cryptographer (n): A person who specializes in creating and analyzing codes and ciphers.
  • The cryptographer was tasked with designing a new encryption protocol.
• Encryption (n): The specific process of converting plaintext into ciphertext, a core part of cryptography.
  • Data encryption is a fundamental application of cryptography.

Synonyms

• Encryption: The process of encoding messages or information.
• Cryptology: Often used synonymously with cryptography, though it can be a broader field encompassing both cryptography (making codes) and cryptanalysis (breaking codes).
• Codebreaking: The art or process of deciphering coded messages without the key.

Related Phrases

• "Cryptography in use": Refers to the active implementation of cryptographic techniques within a system.
  • The audit will examine the cryptography in use across all servers.
• "Break the cryptography": To successfully decrypt a message or defeat an encryption system.
  • The team worked for months to break the cryptography protecting the files.

Học thuật

Noun

1. act of writing in code or cipher
2. the science of analyzing and deciphering codes and ciphers and cryptograms

Từ đồng nghĩa

• coding
• secret writing
• steganography
• cryptanalysis
• cryptanalytics
• cryptology