type_url: "type.googleapis.com/google.crypto.tink.AesCtrHmacStreamingKey"
# value: [type.googleapis.com/google.crypto.tink.AesCtrHmacStreamingKeyFormat] {
#   version: 0
#   params {
#     ciphertext_segment_size: 1048576
#     derived_key_size: 32
#     hkdf_hash_type: SHA256
#     hmac_params {
#       hash: SHA256
#       tag_size: 32
#     }
#   }
#   key_size: 32
# }
value: "\n\016\010\200\200@\020 \030\003\"\004\010\003\020 \020 "
output_prefix_type: RAW
