Secure Communications Over Insecure Channels. - Ralph C. Merkle (Commun. ACM, 1978)

Hiding information and signatures in trapdoor knapsacks. - Ralph C. Merkle; Martin E. Hellman (IEEE Trans. Inf. Theory, 1978)

Protocols for Public Key Cryptosystems. - Ralph C. Merkle (S&P, 1980)

On the Security of Multiple Encryption. - Ralph C. Merkle; Martin E. Hellman (Commun. ACM, 1981)

A Digital Signature Based on a Conventional Encryption Function. - Ralph C. Merkle (CRYPTO, 1987)

A Certified Digital Signature. - Ralph C. Merkle (CRYPTO, 1989)

One Way Hash Functions and DES. - Ralph C. Merkle (CRYPTO, 1989)

Fast Software Encryption Functions. - Ralph C. Merkle (CRYPTO, 1990)

A Fast Software One-Way Hash Function. - Ralph C. Merkle (J. Cryptol., 1990)

Making smaller, faster, cheaper computers. - Ralph C. Merkle (Proc. IEEE, 1998)

Are we prepared for the nanotechnology revolution? - Ralph C. Merkle (Proc. IEEE, 2000)

Mechanical Computing Systems Using Only Links and Rotary Joints. - Ralph C. Merkle; Robert A. Freitas Jr.; Tad Hogg; Thomas E. Moore; Matthew S. Moses; James Ryley (CoRR, 2018)

Design of a molecular Field Effect Transistor (mFET). - Ralph C. Merkle; Robert A. Freitas Jr.; Damian G. Allis (CoRR, 2025)