Verifying authenticity of instant messaging messages

1. A method, comprising:

creating a certificate registry including authentication certificates issued to each one of a plurality of information providers and a root certificate corresponding to all of said authentication certificates, wherein each one of said authentication certificates links respective authentication information thereof to identification information of a corresponding one of said information providers, wherein each one of said authentication certificates includes a respective Instant Messaging (IM) screen name information of the information provider, and wherein said authentication certificates of the certificate registry are associated in a manner at least partially dependent upon at least one of a particular type of information that said information providers provide, a particular organization that said information providers are associated with, a particular type profession in which said information providers are engaged and a particular geographical region in which said information providers are located;

providing the root certificate to an information recipient; and

facilitating verification of an authentication certificate received by the information recipient from a specified IM screen name, wherein verifying said received authentication certificate includes successfully verifying authenticity of said received authentication certificate using authentication information contained in the root certificate thereby verifying that said received authentication certificate belongs to the certificate registry; and

facilitating verification of an IM message sent using the specified IM screen name and received by the information recipient after successful verification of authenticity of said received authentication certificate, wherein verifying said IM message includes successfully verifying authenticity of the IM message using authentication information contained in said received authentication certificate, wherein the IM message includes an encoded checksum for designated parts of the IM message, and wherein facilitating verification of the IM message includes verifying authenticity of the encoded checksum.

2. The method of claim 1 wherein said identification information includes at least one of a name by which a respective one of said information providers is recognized, an image specific to a respective one of said information providers, text specific to a respective one of said information providers, and a sound specific to a respective one of said information providers.

3. The method of claim 1 wherein said identification information includes at least one of a protected name of a respective one of said information providers, a protected image of a respective one of said information providers, protected text of a respective one of said information providers, and protected sound of a respective one of said information providers.

4. The method of claim 1 wherein:

providing the root certificate to the information recipient is performed in response to the information recipient expressly requesting the root certificate; and

the root certificate corresponds to at least one of a particular type of information, a particular organization, a particular type profession and a particular geographical region.

5. The method of claim 4 wherein said identification information includes at least one of a protected name of a respective one of said information providers, a protected image of a respective one of said information providers, protected text of a respective one of said information providers, and protected sound of a respective one of said information providers.

6. The method of claim 1 wherein:

said received authentication certificate is transmitted using the specified IM screen name; and

facilitating verification of said received authentication certificate includes checking that the specified IM screen name matches a screen name specified in said received authentication certificate.

7. The method of claim 1 , further comprising:

acknowledging authenticity of the IM message in response to successfully verifying authenticity of the encoded checksum.

8. The method of claim 1 wherein said designated parts of the IM message include a message body, a sender screen name, a date on which the IM message is sent, and a time at which the IM message is sent.

9. The method of claim 1 wherein verifying authenticity of the encoded checksum includes:

creating a checksum for the IM message in response to receiving the IM message; and

comparing said created checksum to the encoded checksum after verifying validity of the encoded checksum and decoding the encoded checksum.

10. The method of claim 9 wherein said designated parts of the IM message include a message body, a sender screen name, a date on which the IM message is sent, and a time at which the IM message is sent.

11. A system, comprising:

at least one data processing device;

instructions processable by said at least one data processing device; and

an apparatus from which said instructions are accessible by said at least one data processing device;

wherein said instructions are configured for enabling said at least one data processing device to perform operations for:

facilitating verification of an authentication certificate received by an information recipient from a specified IM screen name; and

facilitating verification of an IM message sent using the specified IM screen name and received by the information recipient after successful verification of authenticity of said received authentication certificate, wherein the IM message includes an encoded checksum for designated parts of the IM message and wherein facilitating verification of the IM message includes verifying authenticity of the encoded checksum;

wherein verifying the IM message includes successfully verifying authenticity of the IM message using authentication information contained in said received authentication certificate;

wherein verifying said received authentication certificate includes successfully verifying authenticity of said received authentication certificate using authentication information contained in a root certificate thereby verifying that said received authentication certificate belongs to the certificate registry;

wherein the authentication certificates links respective authentication information thereof to identification information of a corresponding information provider.

12. The system of claim 11 wherein said identification information includes at least one of a name by which the corresponding information providers is recognized, an image specific to the corresponding information providers, text specific to the corresponding a respective one of said information providers, and a sound specific to the corresponding information providers.

13. The system of claim 11 wherein said identification information includes at least one of a protected name of the corresponding information providers, a protected image of the corresponding information providers, protected text of the corresponding information providers, and protected sound of the corresponding information providers.

14. The system of claim 11 wherein:

said instructions are further configured for enabling said at least one data processing device to perform operations for issuing authentication certificates to each one of a plurality of information providers and maintaining a root certificate corresponding to all of said authentication certificates;

said instructions are further configured for enabling said at least one data processing device to perform operations for providing the root certificate to an information recipient in response to the information recipient expressly requesting the root certificate; and

the root certificate corresponds to at least one of a particular type of information, a particular organization, a particular type profession and a particular geographical region.

15. The system of claim 14 wherein said identification information includes at least one of a protected name of the corresponding information providers, a protected image of the corresponding information providers, protected text of the corresponding information providers, and protected sound of the corresponding information providers.

16. The system of claim 11 wherein:

said received authentication certificate is transmitted using the specified IM screen name; and

facilitating verification of said received authentication certificate includes verifying that the specified IM screen name matches a screen name specified in said received authentication certificate.

17. The system of claim 11 wherein:

said instructions are further configured for enabling said at least one data processing device to perform operations for acknowledging authenticity of the IM message in response to successful verification of authenticity of the encoded checksum.

18. The system of claim 11 wherein said designated parts of the IM message include a message body, a sender screen name, a date on which the IM message is sent, and a time at which the IM message is sent.

19. The system of claim 11 wherein verifying authenticity of the encoded checksum includes:

creating a checksum for the IM message in response to receiving the IM message; and

comparing said created checksum to the encoded checksum after verifying validity of the encoded checksum.