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Technical specification – Cryptnox Hardware Wallet
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Hardware Wallet
FIDO2 Card
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Technical specification – Cryptnox Hardware Wallet
Technical specification – Cryptnox FIDO2 Card
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Cryptnox FIDO2 Card technical specifications
FIDO2 v2.1 Specifications
Execution Environment
JCOP 4 / 4.5 from NXP with ECC module (other chips on request) – JCOP 4 / DESFire EV2
Applet Size: 68 kb (with 64 credential slots)
Applet Certification
FIDO 2.1, Level1
Note : higher certifications available on request
Applet characteristics
U2Fv2, FIDO 2.0 and FIDO 2.1 standards
NFC ISO 14443 contactless and ISO 7816 contact interfaces
EC Digital Signature (ECDSA) with NIST P256 (256R1) parameters
32 bits signature counter, reset to 0 upon authenticator reset
Multiple accounts per Relying Party
Resident keys credentials (64 credential slots)
CredManagement commands
Applet Options
HmacSecret
CredProtect
CredBlob for Resident-Keys
minPinLength: stores up to 4 authorized RPs
Client Management Application
iOS mobile application (PIN & configuration management)
AAGUID
1d1b4e33-76a1-47fb-97a0-14b10d0933f1
FIDO2 v2.0 Specifications
Execution Environment
JCOP 4 from NXP with ECC module (other chips on request)
Applet Size: 37kb
Applet Certification
FIDO 2.0, Level1
Note : higher certifications available on request
Applet characteristics
U2Fv2, CTAP 2.0 authenticator
NFC ISO-IEC 14443 contactless and ISO-IEC 7816 contact interfaces
Basic attestation with x509 certificate, “packed” attestation statement
Full 2-way interoperability with U2F-CTAP1
EC Digital Signature with 256R1 parameters (“ES256”)
32-bit signature counter, reset to 1 upon authenticator reset
Command total maximum size « maxMsgSize »: 629 bytes
Multiple accounts per Relying Party
Resident Key credentials (discoverable) 32 slots
Authenticator Assertion is generated in less than 0.3 second
Applet Options
Hmac Secret
Client Management Application
iOS mobile application (PIN & configuration management)
AAGUID
9c835346–796b-4c27–8898-d6032f515cc5