Signature simulation and certain cryptographic codes

Carl Hammer, 1971. Communications of the ACM 14(1): 3-14.

Hammer's computer study of the Beale ciphers: he compares the number sequences of ciphers 1 and 3 with simulated "signatures" of encipherment by a key text.

Beale ciphersSecondary sourceArticleCopy of The National Security Agency's Beale filesdoi: 10.1145/362452.362461Checked against the original0

What it's used for here

The published form of Hammer's analyses, which the article cites through the NSA release and Wikipedia.

Cited by on this site 2 records

The National Security Agency's Beale files: document

CPY

The Beale ciphers

The mystery article

MYS

Cite it

Hammer, C. (1971). Signature simulation and certain cryptographic codes. Communications of the ACM 14(1): 3-14. https://doi.org/10.1145/362452.362461

@article{hammer1971signature,
  author = {Hammer, Carl},
  title = {Signature simulation and certain cryptographic codes},
  journal = {Communications of the ACM 14(1): 3-14},
  year = {1971},
  doi = {10.1145/362452.362461},
  url = {https://doi.org/10.1145/362452.362461}
}

TY  - JOUR
TI  - Signature simulation and certain cryptographic codes
AU  - Hammer, Carl
PY  - 1971
JO  - Communications of the ACM 14(1): 3-14
DO  - 10.1145/362452.362461
UR  - https://doi.org/10.1145/362452.362461
ER  -

Hammer, Carl. “Signature simulation and certain cryptographic codes.” Communications of the ACM 14(1): 3-14 (1971). https://doi.org/10.1145/362452.362461.