This thing is very interesting. It turns out that this thing will have too much use. Now I seem to be wrong. I didn't think of it. Such a small thing, really can play.
Watchkey Pro product description
1. Introduction to WatchKeyPro
WatchKeyPro is a USB-based interface produced by Grip, and is strictly in accordance with the hardware equipment produced by ISO7816-4 smart card standard, which is in line with the PC / SC software interface standard, which is a smart card for built-in readers.
Compliance with ISO7816-4 specification
Compliance with PC / SC standard
Support for asymmetric cryptographic algorithms, the signature, certification, encryption, and decryption operation of the RSA algorithm for the Die is 1024 bits can be completed in the card.
Support for the RSA algorithm to die with a key to 1024 bits is generated in the card;
Support X509V3 certificate storage
With the computer interface as a USB interface
2, appearance
3, hardware technical performance parameters
Technical indicator
power supply
No additional power supply is required, powered by USB bus
Host interface
USB
Safety data storage space
16K / 32K / 64K optional
Data storage time
10 years
Operating Voltage
5V
Working current
<= 40mA
Waiting for the current
<3mA
Power consumption
<= 250MW
working environment
Temperature 0 ~ 55 ° C, humidity 10 ~ 90% uncontend
Size size (h * w * d)
59 * 16 * 9 (mm)
4, technical performance parameters
Watchkey PRO main reference technical indicators (Note: Does not include communication time)
main project
WatchKey Pro time
Reference time for peer products
Generate a key
5.8 seconds
More than 17 seconds
signature
150 ms
More than 600 ms
Certification
102 ms
More than 200 ms
encryption
60 ms
More than 450 milliseconds
Decrypt
150 ms
More than 600 ms
