Golang ecies.Encrypt函数代码示例

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本文整理汇总了Golang中github.com/ethereum/go-ethereum/crypto/ecies.Encrypt函数的典型用法代码示例。如果您正苦于以下问题：Golang Encrypt函数的具体用法？Golang Encrypt怎么用？Golang Encrypt使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了Encrypt函数的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: sealPlain

func (msg *authMsgV4) sealPlain(h *encHandshake) ([]byte, error) {
	buf := make([]byte, authMsgLen)
	n := copy(buf, msg.Signature[:])
	n += copy(buf[n:], crypto.Keccak256(exportPubkey(&h.randomPrivKey.PublicKey)))
	n += copy(buf[n:], msg.InitiatorPubkey[:])
	n += copy(buf[n:], msg.Nonce[:])
	buf[n] = 0 // token-flag
	return ecies.Encrypt(rand.Reader, h.remotePub, buf, nil, nil)
}

开发者ID:Codzart，项目名称:go-ethereum，代码行数:9，代码来源:rlpx.go

示例2: authResp

// authResp generates the encrypted authentication response message.
func (h *encHandshake) authResp(prv *ecdsa.PrivateKey, token []byte) ([]byte, error) {
	// responder auth message
	// E(remote-pubk, ecdhe-random-pubk || nonce || 0x0)
	resp := make([]byte, authRespLen)
	n := copy(resp, exportPubkey(&h.randomPrivKey.PublicKey))
	n += copy(resp[n:], h.respNonce)
	if token == nil {
		resp[n] = 0
	} else {
		resp[n] = 1
	}
	// encrypt using remote-pubk
	return ecies.Encrypt(rand.Reader, h.remotePub, resp, nil, nil)
}

开发者ID:ruflin，项目名称:go-ethereum，代码行数:15，代码来源:rlpx.go

示例3: sealEIP8

func sealEIP8(msg interface{}, h *encHandshake) ([]byte, error) {
	buf := new(bytes.Buffer)
	if err := rlp.Encode(buf, msg); err != nil {
		return nil, err
	}
	// pad with random amount of data. the amount needs to be at least 100 bytes to make
	// the message distinguishable from pre-EIP-8 handshakes.
	pad := padSpace[:mrand.Intn(len(padSpace)-100)+100]
	buf.Write(pad)
	prefix := make([]byte, 2)
	binary.BigEndian.PutUint16(prefix, uint16(buf.Len()+eciesOverhead))

	enc, err := ecies.Encrypt(rand.Reader, h.remotePub, buf.Bytes(), nil, prefix)
	return append(prefix, enc...), err
}

开发者ID:Codzart，项目名称:go-ethereum，代码行数:15，代码来源:rlpx.go

示例4: authMsg

// authMsg creates an encrypted initiator handshake message.
func (h *encHandshake) authMsg(prv *ecdsa.PrivateKey, token []byte) ([]byte, error) {
	var tokenFlag byte
	if token == nil {
		// no session token found means we need to generate shared secret.
		// ecies shared secret is used as initial session token for new peers
		// generate shared key from prv and remote pubkey
		var err error
		if token, err = h.ecdhShared(prv); err != nil {
			return nil, err
		}
	} else {
		// for known peers, we use stored token from the previous session
		tokenFlag = 0x01
	}

	// sign known message:
	//   ecdh-shared-secret^nonce for new peers
	//   token^nonce for old peers
	signed := xor(token, h.initNonce)
	signature, err := crypto.Sign(signed, h.randomPrivKey.ExportECDSA())
	if err != nil {
		return nil, err
	}

	// encode auth message
	// signature || sha3(ecdhe-random-pubk) || pubk || nonce || token-flag
	msg := make([]byte, authMsgLen)
	n := copy(msg, signature)
	n += copy(msg[n:], crypto.Sha3(exportPubkey(&h.randomPrivKey.PublicKey)))
	n += copy(msg[n:], crypto.FromECDSAPub(&prv.PublicKey)[1:])
	n += copy(msg[n:], h.initNonce)
	msg[n] = tokenFlag

	// encrypt auth message using remote-pubk
	return ecies.Encrypt(rand.Reader, h.remotePub, msg, nil, nil)
}

开发者ID:ruflin，项目名称:go-ethereum，代码行数:37，代码来源:rlpx.go

示例5: Encrypt

func Encrypt(pub *ecdsa.PublicKey, message []byte) ([]byte, error) {
	return ecies.Encrypt(rand.Reader, ecies.ImportECDSAPublic(pub), message, nil, nil)
}

开发者ID:ruflin，项目名称:go-ethereum，代码行数:3，代码来源:crypto.go

注：本文中的github.com/ethereum/go-ethereum/crypto/ecies.Encrypt函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。