diff options
Diffstat (limited to 'ssh/kex.go')
| -rw-r--r-- | ssh/kex.go | 40 |
1 files changed, 11 insertions, 29 deletions
@@ -19,24 +19,6 @@ import ( "golang.org/x/crypto/curve25519" ) -const ( - kexAlgoDH1SHA1 = "diffie-hellman-group1-sha1" - kexAlgoDH14SHA1 = "diffie-hellman-group14-sha1" - kexAlgoDH14SHA256 = "diffie-hellman-group14-sha256" - kexAlgoDH16SHA512 = "diffie-hellman-group16-sha512" - kexAlgoECDH256 = "ecdh-sha2-nistp256" - kexAlgoECDH384 = "ecdh-sha2-nistp384" - kexAlgoECDH521 = "ecdh-sha2-nistp521" - kexAlgoCurve25519SHA256LibSSH = "curve25519-sha256@libssh.org" - kexAlgoCurve25519SHA256 = "curve25519-sha256" - - // For the following kex only the client half contains a production - // ready implementation. The server half only consists of a minimal - // implementation to satisfy the automated tests. - kexAlgoDHGEXSHA1 = "diffie-hellman-group-exchange-sha1" - kexAlgoDHGEXSHA256 = "diffie-hellman-group-exchange-sha256" -) - // kexResult captures the outcome of a key exchange. type kexResult struct { // Session hash. See also RFC 4253, section 8. @@ -405,7 +387,7 @@ func init() { // This is the group called diffie-hellman-group1-sha1 in // RFC 4253 and Oakley Group 2 in RFC 2409. p, _ := new(big.Int).SetString("FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF", 16) - kexAlgoMap[kexAlgoDH1SHA1] = &dhGroup{ + kexAlgoMap[InsecureKeyExchangeDH1SHA1] = &dhGroup{ g: new(big.Int).SetInt64(2), p: p, pMinus1: new(big.Int).Sub(p, bigOne), @@ -422,11 +404,11 @@ func init() { pMinus1: new(big.Int).Sub(p, bigOne), } - kexAlgoMap[kexAlgoDH14SHA1] = &dhGroup{ + kexAlgoMap[InsecureKeyExchangeDH14SHA1] = &dhGroup{ g: group14.g, p: group14.p, pMinus1: group14.pMinus1, hashFunc: crypto.SHA1, } - kexAlgoMap[kexAlgoDH14SHA256] = &dhGroup{ + kexAlgoMap[KeyExchangeDH14SHA256] = &dhGroup{ g: group14.g, p: group14.p, pMinus1: group14.pMinus1, hashFunc: crypto.SHA256, } @@ -435,20 +417,20 @@ func init() { // 8268 and Oakley Group 16 in RFC 3526. p, _ = new(big.Int).SetString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kexAlgoMap[kexAlgoDH16SHA512] = &dhGroup{ + kexAlgoMap[KeyExchangeDH16SHA512] = &dhGroup{ g: new(big.Int).SetInt64(2), p: p, pMinus1: new(big.Int).Sub(p, bigOne), hashFunc: crypto.SHA512, } - kexAlgoMap[kexAlgoECDH521] = &ecdh{elliptic.P521()} - kexAlgoMap[kexAlgoECDH384] = &ecdh{elliptic.P384()} - kexAlgoMap[kexAlgoECDH256] = &ecdh{elliptic.P256()} - kexAlgoMap[kexAlgoCurve25519SHA256] = &curve25519sha256{} - kexAlgoMap[kexAlgoCurve25519SHA256LibSSH] = &curve25519sha256{} - kexAlgoMap[kexAlgoDHGEXSHA1] = &dhGEXSHA{hashFunc: crypto.SHA1} - kexAlgoMap[kexAlgoDHGEXSHA256] = &dhGEXSHA{hashFunc: crypto.SHA256} + kexAlgoMap[KeyExchangeECDHP521] = &ecdh{elliptic.P521()} + kexAlgoMap[KeyExchangeECDHP384] = &ecdh{elliptic.P384()} + kexAlgoMap[KeyExchangeECDHP256] = &ecdh{elliptic.P256()} + kexAlgoMap[KeyExchangeCurve25519] = &curve25519sha256{} + kexAlgoMap[keyExchangeCurve25519LibSSH] = &curve25519sha256{} + kexAlgoMap[InsecureKeyExchangeDHGEXSHA1] = &dhGEXSHA{hashFunc: crypto.SHA1} + kexAlgoMap[KeyExchangeDHGEXSHA256] = &dhGEXSHA{hashFunc: crypto.SHA256} } // curve25519sha256 implements the curve25519-sha256 (formerly known as |