Securing lender output data
A multi-lender architecture is configured to provide a loan applicant with automated pre-qualification and automobile loan eligibility evaluation for multiple candidate lenders. Lender output data may include sensitive data. The lender output data is stored in a data object of a first format and one or more fields of the data object are encrypted at the field level. The encrypted data object may be transmitted through multiple application layers or terminals. The encrypted data object may be reformatted at one or more application layers or terminals without decryption. A reformatted encrypted data object containing the lender output data may be decrypted at the last layer before forwarding the lender output data to the loan applicant.
1. A method for decrypting data, the method comprising:
receiving, a data object comprising encrypted sensitive data, unencrypted non-sensitive data, a first path identifying a first data element in a first format, and an encrypted data key, wherein the encrypted sensitive data of the data object is encrypted using an unencrypted data key and the unencrypted data key is discarded after encryption of the encrypted sensitive data;
generating a new data object of a second format by:
capturing the first path identifying the first data element of the data object and a second path of a second data element of the new data object via a dynamic proxy; and
copying the encrypted sensitive data and the encrypted data key from the data object to the new data object in response to capturing the first and second path; and
decrypting the encrypted sensitive data of the new data object using the encrypted data key.
2. The method of claim 1 , further comprising:
retrieving the encrypted data key from first encryption metadata of the new data object;
receiving, based on the encrypted data key sent to an encryption service, a decrypted data key from the encryption service.
3. The method of claim 2 , wherein the encrypted sensitive data is copied from second encryption metadata of the data object to the first encryption metadata of the new data object.
4. The method of claim 2 , wherein the first encryption metadata comprises the second path identifying the second data element of the new data object, the encrypted sensitive data, and the encrypted data key.
5. The method of claim 4 , wherein at least one of: the first path is different from the second path, or a path identifying the second data element of the data object is different from a new path identifying the corresponding data element in the new data object of the second format.
6. The method of claim 1 , further comprising mapping the data object to the new data object to generate the dynamic proxy.
7. The method of claim 1 , wherein at least one of the encrypted sensitive data or the unencrypted non-sensitive data indicates an approval or rejection for an automobile loan.
8. The method of claim 1 , further comprising:
identifying, based on a decryption identifier appended to the encrypted data key, a master key; and
decrypting, based on the master key, the encrypted data key.
9. A system for decrypting data, the system comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform operations comprising:
receiving, a data object comprising encrypted sensitive data, unencrypted non-sensitive data, a first path identifying a first data element in a first format, and an encrypted data key, wherein the encrypted sensitive data of the data object is encrypted using an unencrypted data key and the unencrypted data key is discarded after encryption of the encrypted sensitive data;
generating a new data object of a second format by:
capturing the first path identifying the first data element of the data object and a second path of a second data element of the new data object via a dynamic proxy; and
copying the encrypted sensitive data and the encrypted data key from the data object to the new data object in response to capturing the first and second path; and
decrypting the encrypted sensitive data of the new data object using the encrypted data key.
10. The system of claim 9 , the operations further comprising:
retrieving the encrypted data key from first encryption metadata of the new data object;
receiving, based on the encrypted data key sent to an encryption service, a decrypted data key from the encryption service.
11. The system of claim 10 , wherein the encrypted sensitive data is copied from second encryption metadata of the data object to the first encryption metadata of the new data object.
12. The system of claim 10 , wherein the first encryption metadata comprises the second path identifying the second data element of the new data object, the encrypted sensitive data, and the encrypted data key.
13. The system of claim 12 , wherein at least one of: the first path is different from the second path, or a path identifying the second data element of the data object is different from a new path identifying the corresponding data element in the new data object of the second format.
14. The system of claim 9 , the operations further comprising mapping the data object to the new data object to generate the dynamic proxy.
15. The system of claim 9 , wherein at least one of the encrypted sensitive data or the unencrypted non-sensitive data indicates an approval or rejection for an automobile loan.
16. The system of claim 9 , the operations further comprising:
identifying, based on a decryption identifier appended to the encrypted data key, a master key; and
decrypting, based on the master key, the encrypted data key.
17. A non-transitory computer-readable medium having instructions stored thereon that, when executed by at least one computing device, cause the at least one computing device to perform operations comprising:
receiving, a data object comprising encrypted sensitive data, unencrypted non-sensitive data, a first path identifying a first data element in a first format, and an encrypted data key, wherein the encrypted sensitive data of the data object is encrypted using an unencrypted data key and the unencrypted data key is discarded after encryption of the encrypted sensitive data;
generating a new data object of a second format by:
capturing the first path identifying the first data element of the data object and a second path of a second data element of the new data object via a dynamic proxy; and
copying the encrypted sensitive data and the encrypted data key from the data object to the new data object in response to capturing the first and second path; and
decrypting the encrypted sensitive data of the new data object using the encrypted data key.
18. The non-transitory computer-readable medium of claim 17 , the operations further comprising:
retrieving the encrypted data key from first encryption metadata of the new data object;
receiving, based on the encrypted data key sent to an encryption service, a decrypted data key from the encryption service.
19. The non-transitory computer-readable medium of claim 18 , wherein the encrypted sensitive data is copied from second encryption metadata of the data object to the first encryption metadata of the new data object.
20. The non-transitory computer-readable medium of claim 18 , wherein the first encryption metadata comprises the second path identifying the second data element of the new data object, the encrypted sensitive data, and the encrypted data key.