crypto/

mtls/crypto/tls

1. mtls/crypto/tls is based on Golang's standard library crypto/tls
2. Add transfer_tls.go that support smooth upgrade on TLS
3. modify import paths
4. Call TransferSetTLSInfo() to set transfer info when TLS handshake is successful

diff Golang cyrpto/tls
diff -N pkg/mtls/crypto/tls/   /usr/local/go/src/crypto/tls/
diff -N pkg/mtls/crypto/tls/cipher_suites.go /usr/local/go/src/crypto/tls/cipher_suites.go
18c18
< 	"golang.org/x/crypto/chacha20poly1305"
---
> 	"golang_org/x/crypto/chacha20poly1305"
Common subdirectories: pkg/mtls/crypto/tls/cipherhw and /usr/local/go/src/crypto/tls/cipherhw
diff -N pkg/mtls/crypto/tls/common.go /usr/local/go/src/crypto/tls/common.go
9a10
> 	"crypto/internal/cipherhw"
21,22d21
<
< 	"mosn.io/mosn/pkg/mtls/crypto/tls/cipherhw"
diff -N pkg/mtls/crypto/tls/conn.go /usr/local/go/src/crypto/tls/conn.go
103,105d102
<
< 	// transfer tls conn
< 	info *TransferTLSInfo
diff -N pkg/mtls/crypto/tls/handshake_server.go /usr/local/go/src/crypto/tls/handshake_server.go
108,109d107
< 	TransferSetTLSInfo(hs)
<
diff -N pkg/mtls/crypto/tls/key_agreement.go /usr/local/go/src/crypto/tls/key_agreement.go
20c20
< 	"golang.org/x/crypto/curve25519"
---
> 	"golang_org/x/crypto/curve25519"
Common subdirectories: pkg/mtls/crypto/tls/testdata and /usr/local/go/src/crypto/tls/testdata
Common subdirectories: pkg/mtls/crypto/tls/testenv and /usr/local/go/src/crypto/tls/testenv
diff -N pkg/mtls/crypto/tls/tls_test.go /usr/local/go/src/crypto/tls/tls_test.go
11a12
> 	"internal/testenv"
21,22d21
<
< 	"mosn.io/mosn/pkg/mtls/crypto/tls/testenv"


add supports for gm

1. Assign ids to new gm cipher suites
2. Add items into the global slice "cipherSuites"
3. Add cipherSM4
4. Add macSM3
5. update tls testdata
    a. build OpenSSL 1.1.0 from source and config with:
        ./Configure enable-weak-ssl-ciphers enable-ssl3 enable-ssl3-method -static linux-x86_64
    b. go to pkg/mtls/crypto/tls
    c. go test -update ./...
        if any test case fails due to 'Address already in use', one should ensure that no TIME_WAIT sockets on :24323 and re-run with: go test -update -run TestXXX
6. run tls test
    a. go to pkg/mtls
    b. go test -v ./...