EVVA MCS: Difference between revisions
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== | == Disassembly instructions == | ||
Generation 1 (1 active ball bearing, 12 passive ball bearings) | |||
# Remove c-clip | |||
# Depress active ball bearing with a tool and slide core towards front | |||
# Keep checking both ball bearing and gap towards the rear of plug as they will both get caught on the 3 passive pins and 1 active pin as plug moves forward | |||
# Once plug is out: | |||
## Remove split ring sidebar reset system | |||
## Remove outer sidebar | |||
## Use pliers or knife to snap out plastic sidebar spacer (WARNING! older locks the plastic can be quite brittle, likely it will crack, though cracked sidebar spacers can be repaired with superglue) | |||
## Remove inner sidebar to then access the rotors | |||
## Rotors can be removed | |||
## Repeat for other sidebar | |||
== Vulnerabilities == | == Vulnerabilities == | ||
Revision as of 16:27, 31 July 2019
EVVA MCS
| EVVA MCS | |
 | |
| Name | EVVA MCS |
|---|---|
| Manufacturer | EVVA |
| Lock Type | Cylinder |
| Lock Design | Magnetic |
| Year(s) Produced | 1975-Present |
| Patent | US 4,084,416 |
The MCS (or Magnetic Code System) is a magnetic lock made by EVVA. It is one of the few magnetic locks to gain widespread acceptance and is also considered one of the best mechanical locks in the world. The MCS has been sold under a variety of names, including IKON System M (DE) and Mottura MC (IT)[1].
Principles of operation
Add to me!
Disassembly instructions
Generation 1 (1 active ball bearing, 12 passive ball bearings)
- Remove c-clip
- Depress active ball bearing with a tool and slide core towards front
- Keep checking both ball bearing and gap towards the rear of plug as they will both get caught on the 3 passive pins and 1 active pin as plug moves forward
- Once plug is out:
- Remove split ring sidebar reset system
- Remove outer sidebar
- Use pliers or knife to snap out plastic sidebar spacer (WARNING! older locks the plastic can be quite brittle, likely it will crack, though cracked sidebar spacers can be repaired with superglue)
- Remove inner sidebar to then access the rotors
- Rotors can be removed
- Repeat for other sidebar
Vulnerabilities
The MCS is considered one of the best mechanical locks in the world.
Confirmed picking and decoding are possible on this lock using an audio attack for feedback.
It is vulnerable to one or more of the following:
Gallery
References
- ↑ PULFORD, Graham (2007). High Security Mechanical Locks: An Encyclopedic Reference. ISBN 0750684372.
See also
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