The Diffie-Hellman algorithm is used for:

Last Updated on March 28, 2022 by Admin 3

The Diffie-Hellman algorithm is used for:

  • Encryption
  • Digital signature
  • Key agreement
  • Non-repudiation
Explanation:

The Diffie-Hellman algorithm is used for Key agreement (key distribution) and cannot be used to encrypt and decrypt messages.
Source: WALLHOFF, John, CBK#5 Cryptography (CISSP Study Guide), April 2002 (page 4).

Note: key agreement, is different from key exchange, the functionality used by the other asymmetric algorithms.

References:
AIO, third edition Cryptography (Page 632)
AIO, fourth edition Cryptography (Page 709)

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