Research Files
Overview about files that came out of our research.
Models used for known-plaintext attacks (KPA) against M-209
Jupyter notebooks and files from various authors can be found in the GitHub repository.
| File name | Description | Date | Size |
|---|---|---|---|
| models.zip | This archive contains neural network models designed for the decryption of wheel 1 pins on the M-209. It includes models that process sequences of 52, 104, and 200 characters, each capable of taking pseudorandom displacement values generated by the machine and predicting the corresponding bit of the key. | 2024-03-27 | 4.33 GB |
M-209 cryptanalysis data
| File name | Description | Date | Size |
|---|---|---|---|
| 1_keys_train.zip | A collection of keys generated according to the 1944 technical manual's specifications. This set underpins the creation of the training dataset. | 2024-03-27 | 537.6 MB |
| 1_keys_test.zip | Consists of test keys, organized according to their cryptographic strength, which is determined by the number of non-shared and overlapping lugs. | 2024-03-27 | 116.2 MB |
| 2_ciphertexts_train.zip | Contains JSON files detailing keys, keystreams, and ciphertexts derived from the | 2024-03-27 | 14.55 GB |
| 2_ciphertexts_test.zip | Similar to its training counterpart but generated using the test keys from | 2024-03-27 | 76.1 MB |
| 3_data_npy_train.zip | Provides normalized data arrays that act as inputs and targets for models training. | 2024-03-27 | 6.13 GB |
| 3_data_npy_test.zip | Contains normalized data arrays that function as inputs and outputs during the testing phase of the models. | 2024-03-27 | 33.2 MB |
Homophonic test ciphertexts
| File name | Description | Date | Size |
|---|---|---|---|
| Generated-Gutenberg-English-Homophonic-Ciphertexts.zip | English homophonic ciphertexts specifically created for testing and evaluating cryptanalysis algorithms. The ciphertexts were generated using the English Gutenberg Library. Homophonicity level (even) ranges between two and five. Also incorporates language-based homophonic ciphertexts (uneven). | 2024-05-10 | 74.7 MB |
| Generated-Gutenberg-French-Homophonic-Ciphertexts.zip | French homophonic ciphertexts specifically created for testing and evaluating cryptanalysis algorithms. The ciphertexts were generated using the French Gutenberg Library. Homophonicity level (even) ranges between two and five. Also incorporates language-based homophonic ciphertexts (uneven). | 2024-05-10 | 80.7 MB |
| Generated-Gutenberg-German-Homophonic-Ciphertexts.zip | German homophonic ciphertexts specifically created for testing and evaluating cryptanalysis algorithms. The ciphertexts were generated using the German Gutenberg Library. Homophonicity level (even) ranges between two and five. Also incorporates language-based homophonic ciphertexts (uneven). | 2024-05-10 | 75.1 MB |
| Generated-Gutenberg-Hungarian-Homophonic-Ciphertexts.zip | Hungarian homophonic ciphertexts specifically created for testing and evaluating cryptanalysis algorithms. The ciphertexts were generated using the Hungarian Gutenberg Library. Homophonicity level (even) ranges between two and five. Also incorporates language-based homophonic ciphertexts (uneven). | 2024-05-10 | 81.1 MB |
| Generated-Historic-English-1500-1800-Homophonic-Ciphertexts.zip | Historic English homophonic ciphertexts created for testing and evaluating cryptanalysis algorithms, featuring texts from 1500 to 1800. The ciphertexts were generated using the HistCorp dataset. Homophonicity level (even) ranges between two and five. Also incorporates language-based homophonic ciphertexts (uneven). | 2024-05-19 | 74.4 MB |
| Generated-Historic-French-Homophonic-Ciphertexts.zip | Historic French homophonic ciphertexts created for testing and evaluating cryptanalysis algorithms, featuring texts from 1500 to 1800. The ciphertexts were generated using the HistCorp dataset. Homophonicity level (even) ranges between two and five. Also incorporates language-based homophonic ciphertexts (uneven). | 2024-05-19 | 81.8 MB |
| Generated-Historic-German-1500-1800-Homophonic-Ciphertexts.zip | Historic German homophonic ciphertexts created for testing and evaluating cryptanalysis algorithms, featuring texts from 1500 to 1800. The ciphertexts were generated using the HistCorp dataset. Homophonicity level (even) ranges between two and five. Also incorporates language-based homophonic ciphertexts (uneven). | 2024-05-19 | 74.9 MB |
| Generated-Historic-Hungarian-Homophonic-Ciphertexts.zip | Historic Hungarian homophonic ciphertexts created for testing and evaluating cryptanalysis algorithms. Homophonicity level (even) ranges between two and five. Also incorporates language-based homophonic ciphertexts (uneven). | 2024-05-19 | 76.2 MB |
| Generated-Historic-Italian-1500-1800-Homophonic-Ciphertexts.zip | Historic Italian homophonic ciphertexts created for testing and evaluating cryptanalysis algorithms, featuring texts from 1500 to 1800. The ciphertexts were generated using the HistCorp dataset. Homophonicity level (even) ranges between two and five. Also incorporates language-based homophonic ciphertexts (uneven). | 2024-07-14 | 71.3 MB |
Historical language models for cryptanalysis
| File name | Description | Date | Size |
|---|---|---|---|
| Historic_English_Language_Models.zip | A collection of historic English language models for cryptanalysis. These models were trained on texts dating from the 16th to the 19th century. | 2024-03-13 | 50.6 MB |
| Historic_German_Language_Models.zip | A collection of historic German language models for cryptanalysis. These models were trained on texts dating from the 16th to the 19th century. | 2024-03-15 | 117 MB |