These signatures were generated using the public key from certificate:
  CN=Audio Reference Dev Test

Which is defined in:
  ../certificates/audio_ref_dev_test_chain_3.pem

The data being signed is a bunch of random data.

-----BEGIN MESSAGE-----
X3YNyEvnbssxWMrTfSNVvo1Sh4MnUnj6pt3fEwBRV2qDFczFslzf5oHcE1h7lA9pzN9oQYqV4s34
3g8vMM9zvzdShyPXvrp83lDTd5wGgihnwRr1iqDyMgmVQUGTjmKq8+MiF0OUm2P6aCBpOPZ1bOA7
4I1jrH/jCdjekcgeB0qyHuHj9E0+ivT4gzkrUJhhkVAANFfSDff6yczZej05ehq9+L5ltupOhnTd
UXRupn8UbGpGuK/NbHhDdkdb3Lb2TRvgtfmiuCY/P7iA7c79DstIejvfkkQEgeTTHgebAq4FWhHy
wnWF1fFTTAnQmfg+9iRGroM1PmyMKp8cW/uJVg==
-----END MESSAGE-----

Signature Algorithm: RSASSA PKCS#1 v1.5 with SHA1

-----BEGIN SIGNATURE SHA1-----
UlbNU/rZRDEALoUYVq758nAWyVlTwBfZCWV17rrIDQYutxvQak1Y3o6+kiJTGb90j7j8PJtCFH3h
/KNxkWxdKGmN0t7Rj6xt9kjYbw7JCvreIOCdevgwqNR5FWP7l6nvn5ysFrobLBS0pFRe7AQQhMKg
2W8F1AmMhel60VqjcAAwmxlEKpB6zZGUkGb5Ll5DJzMsRafiOm3JRFg5Rcu9L8W0CEFNRWdVDUM8
toG7tDQHECgXwq1AO6/LwPadDpvKKyDf0KO+6j7ggnuT/ZyvlwAFRJFzaJI6i7wOll6SmHCrqm6a
jrD0ksWgoEuz1USZjqHRj+OscR4/wv0KV+3qBA==
-----END SIGNATURE SHA1-----

Signature Algorithm: RSASSA PKCS#1 v1.5 with SHA256

-----BEGIN SIGNATURE SHA256-----
jUtF3BMKea5Lg5k5LlgEmH8Nxld/bNf4b0fYt6oHKWkOBTuMlFOydlEj3IXSEzdeQ5pPON38u9/w
dPVCoapgFiTDzfPSjqk5xYWZohv1bb0pd63UPr2oNLMKT2HAOZ5QQiJYzrd0FR7fVYubZAdKxnE0
VxealtyHOCS2SN4go7muX060aegkD8qklBSXfrosGFkTyn4Pj4O/KWMVINWa97g/vx1brROIKY9f
MUJdjmnAx3bk7gQiI3OsFLTBIESAQ0FYJB4uy6aXQZSqar5VKIvhl9UbuJtL1v0sWc2LbPIeMe/o
ssuvTP7q7GO38zwqFQ7wTkoQmWLd9DJr9iMSkA==
-----END SIGNATURE SHA256-----