Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2006-08-22
2006-08-22
Zia, Syed A. (Department: 2131)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C713S182000, C713S184000, C713S194000, C713S170000, C726S026000, C726S002000, C380S028000, C380S030000
Reexamination Certificate
active
07096365
ABSTRACT:
The invention relates to the generation of digital signatures by the use of which the legally binding nature of a digital signature is enhanced. For this, an expanded digital signature is created which, in addition to the hash, contains other information, in particular information identifying the hardware and software environment used in generating the signature.
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Hamann Ernst-Michael
Kreyss Jutta
Vasudevan Narayanan
Dougherty Anne Vachon
Zia Syed A.
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