ANSI X9.19 Message Authentication Code using DES/3DES. Also known as ISO 9807-1 MAC Algorithm 3 Mode 1 or Retail MAC. Uses DES in CBC mode with 3DES-EDE for the final block.
| Property | Value |
|---|---|
| Category | Message Authentication |
| Sub-category | DES-based MAC |
| Security status | ⚠️ Deprecated |
| Complexity | Intermediate |
| Inventor | ANSI (American National Standards Institute) |
| Year | 1986 |
| Origin | 🇺🇸 United States |
| Source | algorithms/mac/x919-mac.js |
| Parameter | Supported values |
|---|---|
| Key sizes | 8 bytes (64 bits); 16 bytes (128 bits) |
| MAC sizes | 8 bytes (64 bits) |
| Flag | Value |
|---|---|
NeedsKey |
Yes |
Status: ⚠️ Deprecated
No vulnerabilities are recorded for this implementation.
6 vectors ship with this algorithm and run in the test suite. Byte values are hexadecimal.
Vector 1 — Botan X9.19-MAC Test Vector #1
| Field | Value |
|---|---|
key |
0123456789abcdef |
input |
31311c3931383237333634351c1c3538 3134333237361c1c3b31323334353637 3839303132333435363d393931323130 3030303f1c30303031323530301c3937 38363533343132343837363932331c |
expected |
c156f1b8cdbfb451 |
Vector 2 — Botan X9.19-MAC Test Vector #2
| Field | Value |
|---|---|
key |
0123456789abcdef |
input |
35383134333237361c3b313233343536 373839303132333435363d1c30303031 323530301c3937383635333431323438 37363932331c |
expected |
ab4884061a159618 |
Vector 3 — Botan X9.19-MAC Test Vector #3 (3DES key)
| Field | Value |
|---|---|
key |
0123456789abcdeffedcba9876543210 |
input |
31311c3931383237333634351c1c3538 3134333237361c1c3b31323334353637 3839303132333435363d393931323130 3030303f1c30303031323530301c3937 38363533343132343837363932331c |
expected |
c209ccb78ee1b606 |
Vector 4 — Botan X9.19-MAC Test Vector #4
| Field | Value |
|---|---|
key |
4061610d85685db0f4d9f1c8fe15a123 |
input |
33303030303230313935435553543031 20202020552020202020202020202020 20202020202020205430325345415450 4152594742324c54535435534f414131 39393530323237313333393434303030 30202020202020202020202020203330 30303031304139354558413030303030 333144 |
expected |
dbe9eb0fa03838d2 |
Vector 5 — Botan X9.19-MAC Test Vector #5 (Long message)
| Field | Value |
|---|---|
key |
bb296726f91480cdc432ab3067536eab |
input |
e7ef0ec901ccc8e5e44579a25aae7fb8 2fa475acd95f2de313c5c2b7bca63ba3 95496c9615347cfa7af59cd4a31c8dd3 c0027f9961ad7c75723e2c2ee467d279 b13e10c6738cc0ed815dc125794ef839 5177d2b2244e27978d53c571bb97eb6c d6fb324987f3360850f72dc946250297 9dd449c1227158afc41e217fb50ceb8b 071ed48e110a966102c42a48e92cdf86 0028482299a0d25ebef3dd74ffc9ff06 e7d494f8de2a59e0ee8328d8af075eaf 30a6d1c947a3270596057995ce799bb5 4d2fad2b5a060c48893420383c7fe76c 25b8356c5c5d72f262eb88306423e5b1 5392ddad98e9f521 |
expected |
83c4b075af24ab7c |
Vector 6 — Botan X9.19-MAC Test Vector #6 (Long message)
| Field | Value |
|---|---|
key |
214b48ab97e144f1005831c8c97b8ef0 |
input |
12916051c77047c9efd1e3a43d0086d9 899aa28818bccc5d8b5a0a848682f898 1359e9dac931a4b902875d3f87e31810 7dbb98967765f302bffd8645807fde93 d8c76ea1f8125afb99b83a209b533119 0ec9af852ea287eea00d33208c11b364 d92106d13360cccc1807edb45a1ecd68 e77ced161e7404be8137de0e49927222 b378f3e7d9c0b3f1c7a0a521be7289a6 ee76bc0deac0cb6bf7aa79403cec62ef 6456d63d168a2fdd2ad4fee947878f35 fd4b42e70b0e5202b8cc43f4b8a5e31c fbba5a114489ee6e5dec57a473e6da70 311c573c2aaa3fe2 |
expected |
31174049f029eb36 |