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» On the Security of Some Proxy Blind Signature Schemes
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IJNSEC
2008
91views more  IJNSEC 2008»
13 years 7 months ago
A Weakness in Authenticated Encryption Schemes Based on Tseng et al.'s Schemes
Tseng et al. have introduced in 2003 an authenticated encryption scheme by using self-certified public keys. Based on this scheme several authors have proposed new signature schem...
Luis Hernández Encinas, Ángel Mart&i...
DAC
2004
ACM
14 years 8 months ago
Proxy-based task partitioning of watermarking algorithms for reducing energy consumption in mobile devices
Digital watermarking is a process that embeds an imperceptible signature or watermark in a digital file containing audio, image, text or video data. The watermark is later used to...
Arun Kejariwal, Sumit Gupta, Alexandru Nicolau, Ni...
SCN
2010
Springer
147views Communications» more  SCN 2010»
13 years 6 months ago
Group Message Authentication
Group signatures is a powerful primitive with many practical applications, allowing a group of parties to share a signature functionality, while protecting the anonymity of the si...
Bartosz Przydatek, Douglas Wikström
CCS
2006
ACM
13 years 11 months ago
An efficient broadcast authentication scheme in wireless sensor networks
A broadcast authentication mechanism is important in wireless sensor networks, assuring receivers of a packet's validity. To provide authentication, some researchers utilize ...
Shang-Ming Chang, Shiuhpyng Shieh, Warren W. Lin, ...
CTRSA
2007
Springer
146views Cryptology» more  CTRSA 2007»
14 years 1 months ago
How to Strengthen Any Weakly Unforgeable Signature into a Strongly Unforgeable Signature
Standard signature schemes are usually designed only to achieve weak unforgeability – i.e. preventing forgery of signatures on new messages not previously signed. However, most s...
Ron Steinfeld, Josef Pieprzyk, Huaxiong Wang