Means and method for controlling the distribution of unsolicited electronic communications
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United States of America Patent
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N/A
Issued Date -
Aug 26, 2010
app pub date -
Jun 9, 2006
filing date -
Jun 10, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods, devices, and systems for controlling distribution of unsolicited electronic communications such as bulk email or internet telephony telemarketing calls. A first Public Key (56) of a trusted accrediting body (10) is stored in a storage device (50) of a receiver (1), the trusted accrediting body (10) being trusted by the receiver (1). A sender (40) is issued a second Public Key (79) which chains back to the first Public Key (56). The sender (40) sends an unsolicited communication (62, 64), accompanied by a digital signature corresponding to the second Public Key (79). The receiver (1) verifies the digital signature accompanying a received communication by referring to the first Public Key (56) via the second Public Key (79), and if the digital signature is verified, establishes that the unsolicited communication is not unwelcome.
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