RFC 3394-style key wrapping using the Kalyna block cipher as specified in DSTU 7624:2014. Provides authenticated encryption for key material with integrity verification. Widely used in Ukrainian cryptographic systems.
| Property | Value |
|---|---|
| Category | Special Algorithms |
| Sub-category | Key Wrapping |
| Security status | 🛡️ Secure |
| Complexity | Intermediate |
| Inventor | Ukrainian National Standard |
| Year | 2014 |
| Origin | 🇺🇦 Ukraine |
| Source | algorithms/crypto/kalynawrap.js |
| Parameter | Supported values |
|---|---|
| Key sizes | 16 bytes (128 bits) to 32 bytes (256 bits) in steps of 8 bytes; 16 bytes (128 bits) to 64 bytes (512 bits) in steps of 16 bytes |
| Block sizes | 128 bytes (1024 bits); 256 bytes (2048 bits); 512 bytes (4096 bits) |
Status: 🛡️ Secure
No vulnerabilities are recorded for this implementation.
4 vectors ship with this algorithm and run in the test suite. Byte values are hexadecimal.
Vector 1 — DSTU 7624 KW Test 1 (128-bit block)
| Field | Value |
|---|---|
key |
000102030405060708090a0b0c0d0e0f |
blockSize |
128 |
input |
101112131415161718191a1b1c1d1e1f |
expected |
1dc91dc6e52575f6dbed25adda95a1b6ad3e15056e489738972c199fb9ee2913 |
Vector 2 — DSTU 7624 KW Test 2 (128-bit block, 48 bytes)
| Field | Value |
|---|---|
key |
000102030405060708090a0b0c0d0e0f |
blockSize |
128 |
input |
101112131415161718191a1b1c1d1e1f20219000000000000000800000000000 |
expected |
0ea983d6ce48484d51462c32cc616722 10fcc44196abe635baf878fdb83e1a63 114128585d49db355c5819fd38039169 |
Vector 3 — DSTU 7624 KW Test 3 (128-bit block, 256-bit key)
| Field | Value |
|---|---|
key |
000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f |
blockSize |
128 |
input |
202122232425262728292a2b2c2d2e2f 303132333435363738393a3b3c3d3e3f 404142434445464748494a4b4c4d4e4f |
expected |
2d09a7c18e6a5a0816331ec27cea5969 03f77ec8d63f3bdb73299de7fd9f4558 e05992b0b24b39e02ea496368e0841cc 1e3fa44556a3048c5a6e9e335717d17d |
Vector 4 — DSTU 7624 KW Round-trip test (256-bit block)
| Field | Value |
|---|---|
key |
000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f |
blockSize |
256 |
input |
202122232425262728292a2b2c2d2e2f 303132333435363738393a3b3c3d3e3f 404142434445464748494a4b4c4d4e4f 505152535455565758595a5b5c5d5e5f 606162636465666768696a6b6c6d6e6f 707172737475767778797a7b7c7d7e7f |
expected |
(empty) |