KL-7
The TSEC/KL-7, also known as Adonis was an off-line non-reciprocal rotor encryption machine.: p.33ff The KL-7 had rotors to encrypt the text, most of which moved in a complex pattern, controlled by notched rings. The non-moving rotor was fourth from the left of the stack. The KL-7 also encrypted the message indicator.
KL-7 Cipher Machine | |
| Date invented | 1949 |
|---|---|
| Common manufacturers | NSA, NATO |
| Type | Cipher Machine |
| Language | Italian, English |
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