Agile OTP generation
View Patent ↗A method, system, and apparatus for agile generation of one time passcodes (OTPs) in a security environment, the security environment having a token generator comprising a token generator algorithm and a validator, the method comprising generating a OTP at the token generator according to a variance technique; wherein the variance technique is selected from a set of variance techniques, receiving the OTP at a validator, determining, at the validator, the variance technique used by the token generator to generate the OTP, and determining whether to validate the OTP based on the OTP and variance technique.
1. A method for agile generation of one time passcodes (OTPs) in a security environment, the security environment having a token generator comprising a token generator algorithm and a validator, the method comprising:
generating an OTP at the token generator according to a variance technique; wherein the variance technique is selected from a set of variance techniques; where the variance technique is given by the function OTP=H(F(SKC, SKPC),InputSet) and wherein the InputSet is a set comprising K and Time; wherein H is a Hash; wherein K is a key, SKC is a Symmetric Key certificate, F is a function for use in a variance technique for OTP generation, SKPC is a Symmetric Key Policy Certificate;
receiving the OTP at a validator;
determining, at the validator, the variance technique of the set of variance techniques used by the token generator to generate the OTP; and
determining whether to validate the OTP based on the OTP and variance technique.
2. The method of claim 1 wherein the validator determines the variance technique of the set of variance techniques by using an information file containing information about the token.
3. The method of claim 2 wherein the information file is a certificate.
4. The method of claim 1 wherein information about one of the variance techniques of the set of variance techniques is encoded in the OTP.
5. The method of claim 1 wherein the variance technique is switching among a plurality of OTP generation algorithms.
6. The method of claim 1 wherein the variance technique is obtained from the environment of the OTP generator.
7. The method of claim 1 wherein the variance technique is obtained from variances within the OTP generator.
8. A system for agile generation of one time passcodes (OTPs) in a security environment, the system comprising:
a token generator comprising a token generator algorithm; wherein the token generator algorithm generates an OTP at the token generator according to a variance technique; wherein the variance technique is selected from a set of variance techniques; where the variance technique is given by the function OTP=H(F(SKC, SKPC),InputSet) and wherein the InputSet is a set comprising K and Time; wherein H is a Hash; wherein K is a key, SKC is a Symmetric Key certificate, F is a function for use in a variance technique for OTP generation, SKPC is a Symmetric Key Policy Certificate;
a validator; and
computer-executable program code operating in memory, wherein the computer-executable program code is configured to enable execution of:
receiving the OTP at the validator;
determining, at the validator, the variance technique of the set of variance techniques used by the token generator to generate the OTP; and
determining whether to validate the OTP based on the OTP and variance technique.
9. The system of claim 8 wherein the validator determines the variance technique of the set of variance techniques by using an information file containing information about the token generator.
10. The system of claim 9 wherein the information file is a certificate.
11. The system of claim 8 wherein information about one of the variance techniques of the set of variance techniques is encoded in the OTP.
12. The system of claim 8 wherein the variance technique is switching among a plurality of OTP generation algorithms.
13. The system of claim 8 wherein the variance technique is obtained from the environment of the OTP generator.
14. The system of claim 8 wherein the variance technique is obtained from variances within the OTP generator.
15. A computer program product for use in replication comprising:
a non-transitory computer readable medium encoded with computer executable program code for migration of data, the code configured to enable the execution of:
generating an OTP at the token generator according to a variance technique; wherein the variance technique is selected from a set of variance techniques; where the variance technique is given by the function OTP=H(F(SKC, SKPC),InputSet) and wherein the InputSet is a set comprising K and Time; wherein H is a Hash; wherein K is a key, SKC is a Symmetric Key certificate, F is a function for use in a variance technique for OTP generation, SKPC is a Symmetric Key Policy Certificate;
receiving the OTP at a validator;
determining, at the validator, the variance technique of the set of variance techniques used by the token generator to generate the OTP; and
determining whether to validate the OTP based on the OTP and variance technique.
16. The computer program product of claim 15 wherein the validator comprises an information file denoting the one or more variance technique used by the OTP generator.
17. The computer program product of claim 16 wherein the information file is a certificate.
18. The computer program product of claim 15 wherein the validator is enabled to decode the variance technique from an OTP generated by the OTP generator.
19. The computer program product of claim 15 wherein the variance technique is obtained from variances within the OTP generator.
20. The computer program product of claim 15 wherein the variance technique is obtained from the environment of the OTP generator.