/usr/share/go-1.6/src/crypto/tls/ is in golang-1.6-src 1.6.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/go-1.6/src/crypto/tls/alert.go
/usr/share/go-1.6/src/crypto/tls/cipher_suites.go
/usr/share/go-1.6/src/crypto/tls/common.go
/usr/share/go-1.6/src/crypto/tls/conn.go
/usr/share/go-1.6/src/crypto/tls/conn_test.go
/usr/share/go-1.6/src/crypto/tls/example_test.go
/usr/share/go-1.6/src/crypto/tls/generate_cert.go
/usr/share/go-1.6/src/crypto/tls/handshake_client.go
/usr/share/go-1.6/src/crypto/tls/handshake_client_test.go
/usr/share/go-1.6/src/crypto/tls/handshake_messages.go
/usr/share/go-1.6/src/crypto/tls/handshake_messages_test.go
/usr/share/go-1.6/src/crypto/tls/handshake_server.go
/usr/share/go-1.6/src/crypto/tls/handshake_server_test.go
/usr/share/go-1.6/src/crypto/tls/handshake_test.go
/usr/share/go-1.6/src/crypto/tls/key_agreement.go
/usr/share/go-1.6/src/crypto/tls/prf.go
/usr/share/go-1.6/src/crypto/tls/prf_test.go
/usr/share/go-1.6/src/crypto/tls/testdata/
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv10-ClientCert-ECDSA-ECDSA
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv10-ClientCert-ECDSA-RSA
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv10-ClientCert-RSA-ECDSA
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv10-ClientCert-RSA-RSA
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv10-ECDHE-ECDSA-AES
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv10-ECDHE-RSA-AES
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv10-RSA-RC4
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv11-ECDHE-ECDSA-AES
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv11-ECDHE-RSA-AES
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv11-RSA-RC4
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-AES128-GCM-SHA256
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-AES256-GCM-SHA384
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-ALPN
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-ALPN-NoMatch
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-ClientCert-ECDSA-ECDSA
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-ClientCert-ECDSA-RSA
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-ClientCert-RSA-AES256-GCM-SHA384
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-ClientCert-RSA-ECDSA
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-ClientCert-RSA-RSA
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-ECDHE-ECDSA-AES
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-ECDHE-ECDSA-AES-GCM
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-ECDHE-ECDSA-AES256-GCM-SHA384
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-ECDHE-RSA-AES
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-RSA-RC4
/usr/share/go-1.6/src/crypto/tls/testdata/Client-TLSv12-SCT
/usr/share/go-1.6/src/crypto/tls/testdata/Server-SSLv3-RSA-3DES
/usr/share/go-1.6/src/crypto/tls/testdata/Server-SSLv3-RSA-AES
/usr/share/go-1.6/src/crypto/tls/testdata/Server-SSLv3-RSA-RC4
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv10-ECDHE-ECDSA-AES
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv10-RSA-3DES
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv10-RSA-AES
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv10-RSA-RC4
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv11-FallbackSCSV
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv11-RSA-RC4
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-ALPN
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-ALPN-NoMatch
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-CipherSuiteCertPreferenceECDSA
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-CipherSuiteCertPreferenceRSA
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-ClientAuthRequestedAndECDSAGiven
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-ClientAuthRequestedAndGiven
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-ClientAuthRequestedNotGiven
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-ECDHE-ECDSA-AES
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-IssueTicket
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-IssueTicketPreDisable
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-RSA-3DES
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-RSA-AES
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-RSA-AES-GCM
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-RSA-AES256-GCM-SHA384
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-RSA-RC4
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-Resume
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-ResumeDisabled
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-SNI
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-SNI-GetCertificate
/usr/share/go-1.6/src/crypto/tls/testdata/Server-TLSv12-SNI-GetCertificateNotFound
/usr/share/go-1.6/src/crypto/tls/ticket.go
/usr/share/go-1.6/src/crypto/tls/tls.go
/usr/share/go-1.6/src/crypto/tls/tls_test.go