This article contains details on validating the origin and integrity of the latest version of Transmit 5

Transmit 5.10.5 Checksum

The SHA256 checksum of the Transmit 5.10.5.zip archive, available at https://download.panic.com/transmit/Transmit 5.10.5.zip is:

15197efaaab9bbddee2c78fd5d9e1a8b0beffdb1989847cc4257fd769c421da0

Validating the Checksum

1. Download Transmit 5.10.5.zip
2. Run the following command in Terminal to compute the checksum of your copy:

$ shasum -a 256 ~/Downloads/Transmit\ 5.10.5.zip

If the hash portion of the command output matches the checksum above:

15197efaaab9bbddee2c78fd5d9e1a8b0beffdb1989847cc4257fd769c421da0  /Users/panic/Downloads/Transmit 5.10.5.zip

you can be sure that your copy of the download is identical to the version on our website.

Unfortunately, validating the checksum alone does not guarantee that the contents of Transmit 5.10.5.zip haven’t changed since we posted it*. However, with one extra step you can also determine with certainty that the checksum above, and therefore the contents of the ZIP, originated from Panic.

*Why not? In the very unlikely circumstance that a malicious actor replaced the ZIP archive on our website and modified the contents of this article using a new SHA256 hash, the checksum could still validate.

Transmit 5.10.5 Checksum Signature

Using our public profile on Keybase, we have PGP-signed the SHA256 checksum from above:

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

15197efaaab9bbddee2c78fd5d9e1a8b0beffdb1989847cc4257fd769c421da0
-----BEGIN PGP SIGNATURE-----

iQEzBAEBCgAdFiEE6i1R0iW3pPNCW77Iq26O7ibMLj0FAmcizFkACgkQq26O7ibM
Lj1Lrgf/fC2a/cIfCAQIYXOUxxc5pB1lwNEdhBMLlhRvFJIavLvGYmu8DAgetfhW
5Pn1lNWsPXxU/17c6GGHOzpWree2m9Cq0Fzry+2OOrkdqPLdpKjszwCTiRRg3Ri9
j/uJH4TbbNhsGj4lyS9IOjWJ2P9ZFjBmAo4cuFFgObUCvqhGLNckOZvcXrhkoZcQ
ymPNnG8SG0RvhskBVEOEoGPnBve4iqDlY38ZJRNfzssVoL5lOrOTcjBl1aZ8JmZl
G6WLQY8x1y4B04iAuDBl2n8R7nlprHtGwc0cN9AFUf0cZGvozeDu+Eg9HLzja4vN
bU4XwezyiPb0wtdgQnO67Pq/j7tzyg==
=BFQW
-----END PGP SIGNATURE-----

Validating the Signature

1. Copy the entire PGP message above, including -----BEGIN PGP MESSAGE----- and -----END PGP MESSAGE-----
2. Paste the contents into the Message to verify box on Keybase
3. Click Verify

Most importantly, Keybase should indicate that the message was signed by Panic:

Additionally, the resulting Signed Text should match our original checksum:

15197efaaab9bbddee2c78fd5d9e1a8b0beffdb1989847cc4257fd769c421da0

If both items match, you can be sure that the checksum in this article originated from Panic.

Putting it all together

By using two factors of validation:

• A checksum which ensures that your copy of Transmit 5.10.5.zip is identical to the copy on our website
• A PGP signature which ensures that the checksum originated from Panic

you can be sure that you are installing the release that we originally posted.

Support

We are more than happy to answer questions or help provide any guidance you might need to validate the checksum and signature for this release. Please email us, transmit@panic.com.