Secure short message service (SMS) communications
Systems, methods, and computer program products for providing secure messaging communications are disclosed. For example, a computer-implemented method may include receiving an encrypted message and a key from a sender associated with a first computing device where the encrypted message is generated by the first computing device, verifying the received key at least in part based on a comparison with a pre-determined key, processing one or more unique factors associated with the sender in view of verifying the received key, decrypting the encrypted message, re-encrypting a result of the decrypting using a key of a receiver associated with a second computing device, and sending the re-encrypted result to the receiver associated with the second computing device.
1. A system, comprising:
a non-transitory memory; and
one or more hardware processors coupled to the non-transitory memory and configured to read instructions from the non-transitory memory to cause the system to perform operations comprising:
receiving, via a text messaging channel, an encrypted message and a first key from a first device associated with a sender;
verifying the first key based at least in part on a first identifier associated with the sender and a first variable pre-negotiated with the sender;
decrypting the encrypted message;
determining a second identifier associated with a receiver of the encrypted message;
generating a second key based on the second identifier and a second variable pre-negotiated with the receiver;
re-encrypting the decrypted message using the second key; and
transmitting, via the text messaging channel, the re-encrypted message to a second device associated with the receiver.
2. The system of claim 1 , wherein the second variable comprises at least one of a timestamp or a counter associated with the receiver.
3. The system of claim 1 , wherein generating the second key comprises applying a hash function to at least the second identifier and the second variable.
4. The system of claim 1 , wherein the second key comprises a keyed-hash message authentication code.
5. The system of claim 1 , wherein the second key is generated further based on a user password and biometric data associated with the receiver.
6. The system of claim 1 , wherein the text messaging channel comprises a Short Message Service (SMS) communication channel.
7. The system of claim 1 , wherein the re-encrypted message is transmitted via a Mobile Network Operator (MNO).
8. The system of claim 1 , wherein verifying the first key comprises:
generating a third key by applying a hash function to the first identifier and the first variable; and
comparing the third key against the first key.
9. A method comprising:
receiving, by one or more hardware processors via a text messaging channel, an encrypted message from a first device associated with a sender;
generating, by the one or more hardware processors, a first key for decrypting the encrypted message based at least in part on a first identifier associated with the sender and a first variable pre-negotiated with the sender;
decrypting, by the one or more hardware processors, the encrypted message using the first key;
generating, by the one or more hardware processors, a second key based at least in part on a second identifier associated with a receiver of the encrypted message;
re-encrypting, by the one or more hardware processors, the decrypted message using the second key; and
transmitting, by the one or more hardware processors via the text messaging channel, the re-encrypted message to a second device associated with the receiver.
10. The method of claim 9 , wherein the first variable comprises at least one of a timestamp or a counter associated with the sender.
11. The method of claim 9 , wherein generating the first key comprises applying a hash function to at least the first identifier and the first variable.
12. The method of claim 9 , wherein the first key comprises a keyed-hash message authentication code.
13. The method of claim 9 , wherein the first key is generated further based on a user password and biometric data associated with the sender.
14. The method of claim 9 , wherein the text messaging channel comprises a Short Message Service (SMS) communication channel.
15. The method of claim 9 , wherein the second key is generated further based on and a second variable pre-negotiated with the receiver.
16. The method of claim 9 , wherein the second identifier comprises a hardware identifier associated with the second device.
17. A non-transitory machine-readable medium having stored thereon machine-readable instructions executable to cause a machine to perform operations comprising:
receiving, via a text messaging channel, an encrypted message and a first key from a first device associated with a sender;
verifying the first key based at least in part on a first identifier associated with the sender and a first variable pre-negotiated with the sender;
decrypting the encrypted message;
determining a second identifier associated with a receiver of the encrypted message;
generating a second key based on the second identifier and a second variable pre-negotiated with the receiver;
re-encrypting the decrypted message using the second key; and
transmitting, via the text messaging channel, the re-encrypted message to a second device associated with the receiver.
18. The non-transitory machine-readable medium of claim 17 , wherein verifying the first key comprises:
generating a third key by applying a hash function to the first identifier and the first variable; and
comparing the third key against the first key.
19. The non-transitory machine-readable medium of claim 17 , wherein the second variable comprises at least one of a timestamp or a counter associated with the receiver.
20. The non-transitory machine-readable medium of claim 17 , wherein generating the second key comprises applying a hash function to at least the second identifier and the second variable.