RSA Laboratories - 6.3.2 Is DSA patented?

Public-Key Cryptography Standards (PKCS) PKCS #1: RSA Cryptography Standard Section Index Foreword PKCS #3: Diffie-Hellman Key Agreement Standard PKCS #5: Password-Based Cryptography Standard Chapter 1 Introduction Chapter 2 Cryptography PKCS #6: Extended-Certificate Syntax Standard PKCS #7: Cryptographic Message Syntax Standard Chapter 3 Techniques in Cryptography Chapter 4 Applications of Cryptography PKCS #8: Private-Key Information Syntax Standard PKCS #9: Selected Attribute Types Chapter 5 Cryptography in the Real World Chapter 6 Laws Concerning Cryptography PKCS #10: Certification Request Syntax Standard PKCS #11: Cryptographic Token Interface Standard Chapter 7 Miscellaneous Topics Chapter 8 Further Reading PKCS #12: Personal Information Exchange Syntax Standard PKCS #13: Elliptic Curve Cryptography Standard Appendix A Mathematical concepts Appendix B Glossary PKCS #15: Cryptographic Token Information Format Standard PKCS Mailing Lists Appendix C References Workshops PKCS News Archives Guidelines for Contributions to the Public-Key Cryptography Standards (PKCS) One-Time Password Specifications (OTPS)	Home: Standards Initiatives: Public-Key Cryptography Standards (PKCS): PKCS #10: Certification Request Syntax Standard: 6.3 Patents on Cryptography 6.3.2 Is DSA patented? David Kravitz, former member of the NSA, holds a patent on DSA [Kra93]. Claus P. Schnorr has asserted that his patent [Sch91] covers certain implementations of DSA. RSA Security has also asserted coverage of certain implementations of DSA by the Schnorr patent. Top of Page
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