- Don R. Morrison:
Subtractive Encryptors - Alternatives to the DES. CRYPTO 1981: 42-52 - J. Michael Nye:
Current Market: Products, Costs, Trends. CRYPTO 1981: 110-114 - J. Michael Nye:
The Import/Export Dilemma. CRYPTO 1981: 135-137 - Sig Porter:
A Password Extension for Improved Human Factors. CRYPTO 1981: 81 - George B. Purdy, Gustavus J. Simmons, James Studier:
Software Protection Using "Communal Key Cryptosystems". CRYPTO 1981: 79 - Brian P. Schanning, J. Kowalchuk:
Memo: A Hybrid Approach to Encrypted Electronic Mail. CRYPTO 1981: 64 - Adi Shamir:
The Generation of Cryptographically Strong Pseudo-Random Sequences. CRYPTO 1981: 1 - Gustavus J. Simmons:
A System for Point-of-Sale or Access User Authentication and Identification. CRYPTO 1981: 31-37 - Miles E. Smid:
DES '81: An Update. CRYPTO 1981: 39-40 - Stephen B. Weinstein:
Security Mechanisms in Electronic Cards. CRYPTO 1981: 109 - Aaron D. Wyner:
Some Thoughts on Speech Encryption. CRYPTO 1981: 120