Method and system for securing communication

1. A method for securing communication among a plurality of members, comprising:

obtaining, by a first member of a group, a first secret;

generating, by an n-bit generator executing on the first member, a first message digest using the first secret;

extracting, by the first member, a first encryption solution and a second encryption solution, at least in part, from the first message digest, wherein the first encryption solution comprises a first encryption key and first algorithm selector bits, and wherein the second encryption solution comprises a second encryption key and second algorithm selector bits;

selecting, by the first member and from a plurality of encryption algorithms, a first encryption algorithm corresponding to the first algorithm selector bits;

encrypting, by the first member, a first communication using the first encryption key and the first encryption algorithm to obtain a first encrypted communication;

sending, by the first member to a second member of the group, the first encrypted communication;

receiving, by the first member from the second member, a second encrypted communication;

selecting, by the first member and from the plurality of encryption algorithms, a second encryption algorithm corresponding to the second algorithm selector bits;

decrypting, by the first member, the second encrypted communication using the second encryption solution to obtain a second communication;

generating, by the n-bit generator, a second message digest using the first secret, a second secret, and a first change value;

extracting, by the first member, a third encryption solution and a fourth encryption solution, at least in part, from the second message digest;

encrypting, by the first member, a third communication using the third encryption solution to obtain a third encrypted communication;

sending, by the first member to the second member, the third encrypted communication;

receiving, by the first member from the second member, a fourth encrypted communication; and

decrypting, by the first member, the fourth encrypted communication using the fourth encryption solution to obtain a fourth communication.

2. The method of claim 1 , wherein decrypting the second encrypted communication comprises:

decrypting the second encrypted communication using the second encryption algorithm and the second encryption key.

3. The method of claim 2 , wherein the first encryption algorithm and the second encryption algorithm are different encryption algorithms.

4. The method of claim 1 , wherein generating the first message digest comprises using a third secret.

5. The method of claim 1 , further comprising:

generating, by the n-bit generator, a third message digest using the first secret, a third secret, and a second change value.

6. The method of claim 1 , wherein the first encrypted communication and the third encrypted communication are sent during a single communication session.

7. The method of claim 1 , wherein generating the second message digest comprises:

combining the first change value with an intermediate result to create an interim dynamic secret, wherein the intermediate result is obtained during the generation of the first message digest; and

using the interim dynamic secret to generate the second message digest.

8. A computing device for securing communication among a plurality of members comprising:

a processor;

a memory; and

software instructions stored in memory for causing the computing device to:

obtain, by a first member of a group, a first secret, wherein the first member is the computing device;

generate, by an n-bit generator executing on the first member, a first message digest using the first secret;

extract a first encryption solution and a second encryption solution, at least in part, from the first message digest, wherein the first encryption solution comprises a first encryption key and first algorithm selector bits, and wherein the second encryption solution comprises a second encryption key and second algorithm selector bits;

select, by the first member and from a plurality of encryption algorithms, a first encryption algorithm corresponding to the first algorithm selector bits;

encrypt a first communication using the first encryption key and the first encryption algorithm to obtain a first encrypted communication;

send, to a second member of the group, the first encrypted communication;

receive, from the second member, a second encrypted communication;

select, by the first member and from the plurality of encryption algorithms, a second encryption algorithm corresponding to the second algorithm selector bits;

decrypt the second encrypted communication using the second encryption solution to obtain a second communication;

generate, by the n-bit generator, a second message digest using the first secret, a second secret, and a first change value;

extract a third encryption solution and a fourth encryption solution, at least in part, from the second message digest;

encrypt a third communication using the third encryption solution to obtain a third encrypted communication;

send, to the second member, the third encrypted communication;

receive, from the second member, a fourth encrypted communication; and

decrypt the fourth encrypted communication using the fourth encryption solution to obtain a fourth communication.

9. The computing device of claim 8 , wherein decrypting the second encrypted communication comprises:

decrypting the second communication using the second encryption algorithm and the second encryption key.

10. The computing device of claim 9 , wherein the first encryption algorithm and the second encryption algorithm are different encryption algorithms.

11. The computing device of claim 8 , wherein generating the first message digest comprises using a third secret.

12. The computing device of claim 8 , wherein the software instructions further cause the computing device to:

generate, by the n-bit generator, a third message digest using the first secret, a third secret, and a second change value,

wherein the first encryption solution and the second encryption solution are extracted, at least in part, from the third message digest.

13. The computing device of claim 8 , wherein the first encrypted communication and the third encrypted communication are sent during a single communication session.

14. The computing device of claim 8 , wherein generating the second message digest comprises:

combining the first change value with an intermediate result to create an interim dynamic secret, wherein the intermediate result is obtained during the generation of the first message digest; and

using the interim dynamic secret to generate the second message digest.

15. A non-transitory computer readable medium comprising computer readable program code embodied therein for causing a computer system to perform a method for securing communication among a plurality of members, the method comprising:

obtaining, by a first member of a group, a first secret;

generating, by an n-bit generator executing on the first member, a first message digest using the first secret;

extracting, by the first member, a first encryption solution and a second encryption solution, at least in part, from the first message digest, wherein the first encryption solution comprises a first encryption key and first algorithm selector bits, and wherein the second encryption solution comprises a second encryption key and second algorithm selector bits;

selecting, by the first member and from a plurality of encryption algorithms, a first encryption algorithm corresponding to the first algorithm selector bits;

encrypting, by the first member, a first communication using the first encryption key and the first encryption algorithm to obtain a first encrypted communication;

sending, by the first member to a second member of the group, the first encrypted communication;

receiving, by the first member from the second member, a second encrypted communication;

selecting, by the first member and from the plurality of encryption algorithms, a second encryption algorithm corresponding to the second algorithm selector bits;

decrypting, by the first member, the second encrypted communication using the second encryption solution to obtain a second communication;

generating, by the n-bit generator, a second message digest using the first secret, a second secret, and a first change value;

extracting, by the first member, a third encryption solution and a fourth encryption solution, at least in part, from the second message digest;

encrypting, by the first member, a third communication using the third encryption solution to obtain a third encrypted communication;

sending, by the first member to the second member, the third encrypted communication;

receiving, by the first member from the second member, a fourth encrypted communication; and

decrypting, by the first member, the fourth encrypted communication using the fourth encryption solution to obtain a fourth communication.

16. The non-transitory computer readable medium of claim 15 , wherein decrypting the second encrypted communication comprises:

decrypting the second communication using the second encryption algorithm and the second encryption key.

17. The non-transitory computer readable medium of claim 16 , wherein the first encryption algorithm and the second encryption algorithm are different encryption algorithms.

18. The non-transitory computer readable medium of claim 15 , wherein generating the first message digest comprises using a third secret.

19. The non-transitory computer readable medium of claim 15 , wherein the method further comprises:

generating, by the n-bit generator, a third message digest using the first secret, a third secret, and a second change value.

20. The non-transitory computer readable medium of claim 15 , wherein the first encrypted communication and the third encrypted communication are sent during a single communication session.

21. The non-transitory computer readable medium of claim 15 , wherein generating the second message digest comprises:

combining the first change value with an intermediate result to create an interim dynamic secret, wherein the intermediate result is obtained during the generation of the first message digest; and

using the interim dynamic secret to generate the second message digest.