GPG and PGP are programs that use the OpenPGP standard to asymmetrically encrypt and decrypt files. The standard ensures that the key that encrypts the data is not the same key that is used to decrypt the data. This helps provide confidence that your data is readable only to your intended recipient.

We use GPG in the files delivered to us for various purposes to protect your sensitive information. For instance, files that include enrollment or eligibility data are encrypted with our public key, delivered to our servers, and decrypted using our private key at runtime for processing into our system. The decrypted data is not kept on our servers, as we only keep the encrypted files for archival purposes.

We want to ensure that your data is safe with us. To that end, we use new keys every year or so to be better stewards of your sensitive information in order to protect against key misuse. The OpenPGP standard is quite secure, but making our exchanges a moving target with new keys provides a lot more of a challenge to crack the encryption. Stagnant keys over time increase the risk of encryption cracking.

This FAQ page will be the new home where you can always obtain the latest version of our GPG public key. The link to download the key in a readable format can be found here: 746D9519-pub.asc

-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.4.12 (GNU/Linux)

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-----END PGP PUBLIC KEY BLOCK-----

The SHA256 hash of the key is as follows: 6A5EBF0AD029500D6426AC8533E6CDD1A44649803960ED3F7921C5AAC1A03A14