T 0556/14 (Masking a private key/CERTICOM) of 28.07.2016
- European Case Law Identifier
- ECLI:EP:BA:2016:T055614.20160728
- Date of decision
- 28 July 2016
- Case number
- T 0556/14
- Petition for review of
- -
- Application number
- 03018048.3
- IPC class
- G06F 21/00G06F 7/72
- Language of proceedings
- English
- Distribution
- No distribution (D)
- Download
- Decision in English
- OJ versions
- No OJ links found
- Other decisions for this case
- -
- Abstracts for this decision
- -
- Application title
- Method of masking a private key used in a cryptographic operation
- Applicant name
- Certicom Corp.
- Opponent name
- Müller, Christoph
- Board
- 3.5.06
- Headnote
- -
- Relevant legal provisions
- European Patent Convention Art 100 1973European Patent Convention Art 123(2)European Patent Convention Art 52European Patent Convention Art 54 1973European Patent Convention Art 54(3)European Patent Convention Art 56 1973
- Keywords
- The protection of a cryptographic computation against power analysis attacks is a technical effect
Inventive step - after amendment (yes) - Catchword
- -
Order
For these reasons it is decided that:
1. The decision under appeal is set aside.
2. The case is remitted to the opposition division with the order to maintain the European patent with the following documents:
claims 1 and 2 as filed on 28 July 2016;
description pages 3 and 5 as filed on 28 July 2016 and pages 2 and 4 as granted; and
drawings, figures 1-5 as granted.