System and method for validating certificate issuance notification messages
First Claim
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1. A method, for being performed by a mail server having a receiver, a processor and a transmitter, of validating a certificate issuance notification message, said method comprising:
- receiving, at said receiver, a message;
determining, at said processor, that said message comprises a certificate issuance notification message;
extracting a plurality of uniform resource locators from said certificate issuance notification message;
determining that a quantity of said plurality of said extracted uniform resource locators is less than a maximum expected count of uniform resource locators, thereby verifying, at said processor, that said certificate issuance notification message conforms to expected norms specific to certificate issuance notification messages; and
responsive to said verifying, transmitting, at said transmitter, a selected uniform resource locator, from among said plurality of uniform resource locators extracted from said certificate issuance notification message, to a network entity configured for processing certificate issuance.
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Abstract
To validate a received certificate issuance notification message, a device may verify that the certificate issuance notification message conforms to expected norms or authenticate a signature associate with the certificate issuance notification message. Upon validating, the device may then transmit a uniform resource locator, extracted from the certificate issuance notification message, to a network entity configured for processing certificate issuance.
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Citations
10 Claims
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1. A method, for being performed by a mail server having a receiver, a processor and a transmitter, of validating a certificate issuance notification message, said method comprising:
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receiving, at said receiver, a message; determining, at said processor, that said message comprises a certificate issuance notification message; extracting a plurality of uniform resource locators from said certificate issuance notification message; determining that a quantity of said plurality of said extracted uniform resource locators is less than a maximum expected count of uniform resource locators, thereby verifying, at said processor, that said certificate issuance notification message conforms to expected norms specific to certificate issuance notification messages; and responsive to said verifying, transmitting, at said transmitter, a selected uniform resource locator, from among said plurality of uniform resource locators extracted from said certificate issuance notification message, to a network entity configured for processing certificate issuance. - View Dependent Claims (2, 3, 4)
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5. A mail server comprising:
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a receiver adapted to receive a message; a processor adapted to; determine that said message comprises a certificate issuance notification message; extract a plurality of uniform resource locators from said certificate issuance notification message; determine that a quantity of said plurality of said extracted uniform resource locators is less than a maximum expected count of uniform resource locators, to thereby verify that said certificate issuance notification message conforms to expected norms specific to certificate issuance notification messages; and a transmitter adapted to transmit a selected uniform resource locator, from among said plurality of uniform resource locators, to a network entity configured for processing certificate issuance.
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6. A non-transitory computer-readable medium containing computer-executable instructions that, when performed by a processor in a mail server, cause said processor to:
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receive a message; determine that said message comprises a certificate issuance notification message; extract a plurality of uniform resource locators from said certificate issuance notification message; determine that a quantity of said plurality of said extracted uniform resource locators is less than a maximum expected count of uniform resource locators, to thereby verify that said certificate issuance notification message conforms to expected norms specific to certificate issuance notification messages; transmit a selected uniform resource locator, from among said plurality of uniform resource locators, to a network entity configured for processing certificate issuance.
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7. A method, for being performed by a mail server having a receiver, a processor and a transmitter, of validating a certificate issuance notification message, said method comprising:
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receiving, at said receiver, a message; determining, at said processor, that said message comprises a certificate issuance notification message; determining, at said processor, that said message is associated with a signature; authenticating, at said processor, said signature; responsive to said authenticating, extracting, at said processor, a uniform resource locator from said certificate issuance notification message; confirming that a prefix of said uniform resource locator matches a prefix associated with one of a set of certificate authorities from which identity certificates are retrieved; and transmitting, at said transmitter, said uniform resource locator to a network entity configured for processing certificate issuance. - View Dependent Claims (8)
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9. A mail server comprising:
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a receiver adapted to receive a message; a processor adapted to; determine that said message comprises a certificate issuance notification message; determine that said message is associated with a signature; authenticate said signature; and extract a uniform resource locator from said certificate issuance notification message; confirm that a prefix of said uniform resource locator matches a prefix associated with one of a set of certificate authorities from which identity certificates are retrieved; and a transmitter adapted to transmit said uniform resource locator to a network entity configured for processing certificate issuance.
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10. A non-transitory computer-readable medium containing computer-executable instructions that, when performed by a processor in a mail server, cause said processor to:
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receive a message; determine that said message comprises a certificate issuance notification message; determine that said message is associated with a signature; authenticate said signature; extract a uniform resource locator from said certificate issuance notification message; confirm that a prefix of said uniform resource locator matches a prefix associated with one of a set of certificate authorities from which identity certificates are retrieved; and transmit said uniform resource locator to a network entity configured for processing certificate issuance.
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Specification