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Quali-Sign
A dedicated mobile app to capture Strong Customer Authentication for PSD2

Resources > Glossary of Terms

Authorisation Levels / Signature Classes
E Single Signature User can personally authorise orders. Where orders specify a minimum of 2 signatures, a second subscriber's signature (E, A or B) is required.
A First Signature User can personally authorise orders. Where orders specify a minimum of 1 or 2 signatures, a second subscriber's signature (E, A or B) is required.
B Second Signature User can personally authorise orders. Where orders specify a minimum of 1 or 2 signatures, a second subscriber's signature (E or A) is required.
T Transport Signature User can submit orders. Their signature does not provide personal authorisation.
3SKEY A multi-bank and multi-network personal digital identity token, provided by SWIFT.
AISP Account Information Service Provider: An online service to provide consolidated information on one or more payment accounts held by the payment service user with either another payment service provider or with more than one payment service provider. (see PSD2)
API Application program interface: A set of routines, protocols, and tools for building software applications.
ASPSP Account Servicing Payment Services Provider: A payment service provider providing and maintaining a payment account for a payer. (see PSD2)
CEF Connecting Europe Facility
CGI Common Global Implementation
CSC Common Secure Communication. (see PSD2)
CSV Comma-Separated Values: A file that stores tabular data (numbers and text) in plain text. Each line of the file is a data record.
EBA European Banking Authority
EBICS Electronic Banking Internet Communication Standard
eIDAS REGULATION (EU) No 910/2014 on electronic identification and trust services for electronic transactions in the internal market.
ERP Enterprise Resource Planning
GDPR REGULATION (EU) 2016/679 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data.
HSM Hardware Security Module: A physical computing device that safeguards and manages digital keys for strong authentication and provides crypto-processing.
HTTPS Hypertext Transfer Protocol within a connection encrypted by Transport Layer Security.
I/O Input/output: A system of communication for information processing systems.
JSON JavaScript Object Notation: A lightweight data-interchange format.
MIG Message Interface Guide
NACHA (US) National Automated Clearinghouse Association
OS Operating System
PDF Portable Document Format
PIN Personal Identification Number: A numeric password used to authenticate a user to a system.
PISP Payment Initiation Services Provider: A service to initiate a payment order at the request of the payment service user with respect to a payment account held at another payment service provider. (see PSD2)
PSD2 DIRECTIVE (EU) 2015/2366 on payment services in the internal market.
PSP Payment Services Provider: e.g. Credit Institution; Electronic money institution; Post office giro institution; Payment institution; ECB; National central bank. (see PSD2)
PSU Payment Services User: A natural or legal (company) person making use of a payment service in the capacity of payer, payee, or both. (see PSD2)
QSB Quali-Sign Banking
REST Representational State Transfer: A set of architectural principles for designing web services.
RTS Regulatory Technical Standards, submitted to the European Commission for endorsement (and entry into force).
SEPA Single Euro Payments Area
SCD Signature Creation Device. (See eIDAS)
TEE Trusted Execution Environment: A secure area of the main processor of a device. It guarantees code and data loaded inside to be protected with respect to confidentiality and integrity.
TPP Third Pary Provider. (See PSD2)
XAdES XML Advanced Electronic Signatures
XML Extensible Mark-up Language