Bouncy Castle BKS-V1 keystore files vulnerable to trivial hash collisions

Computer technology world vulnerability exposure can’t slow down. A design weakness on Bouncy Castle BKS-V1 keystore files found. If you are a java program developer. It is a alert signal. 

The Bouncy Castle APIs consist of the following:

  • A lightweight cryptography API for Java and C#.
  • A provider for the Java Cryptography Extension (JCE) and the Java Cryptography Architecture (JCA).
  • A provider for the Java Secure Socket Extension (JSSE).
  • A clean room implementation of the JCE 1.2.1.
  • A library for reading and writing encoded ASN.1 objects. Lightweight APIs for TLS (RFC 2246, RFC 4346) and DTLS (RFC 6347/ RFC 4347).

Generators for Version 1 and Version 3 X.509 certificates, Version 2 CRLs, and PKCS12 files. Generators for Version 2 X.509 attribute certificates.

Generators/Processors for the following:

  • S/MIME and CMS (PKCS7/RFC 3852)
  • OCSP (RFC 2560) – TSP (RFC 3161 & RFC 5544)
  • CMP and CRMF (RFC 4210 & RFC 4211).
  • OpenPGP (RFC 4880) – Extended Access Control (EAC)
  • Data Validation and Certification Server (DVCS)
  • RFC 3029 – DNS-based Authentication of Named Entities (DANE).
  • RFC 7030 Enrollment over Secure Transport (EST). A signed jar version suitable for JDK 1.4-1.7 and the Sun JCE.

The vulnerability note can be find here:

https://www.kb.cert.org/vuls/id/306792

 

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