gm

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 Go to latest Published: Nov 27, 2020 License: Apache-2.0 Imports: 32 Imported by: 2

Documentation

Overview

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright IBM Corp. 2016 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func CreateCertificateToMem 

func CreateCertificateToMem(template, parent *x509GM.Certificate, signer crypto.Signer) (cert []byte, err error)

调用SM2接口生成SM2证书

func CreateSm2CertificateRequestToMem 

func CreateSm2CertificateRequestToMem(certificateRequest *x509GM.CertificateRequest, signer crypto.Signer) (csr []byte, err error)

调用SM2接口生成SM2证书请求

func GetRandomBytes 

func GetRandomBytes(len int) ([]byte, error)

GetRandomBytes returns len random looking bytes

func IsLowS 

func IsLowS(k *ecdsa.PublicKey, s *big.Int) (bool, error)

IsLow checks that s is a low-S

func MarshalSM2Signature 

func MarshalSM2Signature(r, s *big.Int) ([]byte, error)

func New 

func New(securityLevel int, hashFamily string, keyStore bccsp.KeyStore) (bccsp.BCCSP, error)

New 实例化 返回支持国密算法的 bccsp.BCCSP

func NewDefaultSecurityLevel 

func NewDefaultSecurityLevel(keyStorePath string) (bccsp.BCCSP, error)

NewDefaultSecurityLevel returns a new instance of the software-based BCCSP at security level 256, hash family SHA2 and using FolderBasedKeyStore as KeyStore.

func NewDefaultSecurityLevelWithKeystore 

func NewDefaultSecurityLevelWithKeystore(keyStore bccsp.KeyStore) (bccsp.BCCSP, error)

NewDefaultSecurityLevel returns a new instance of the software-based BCCSP at security level 256, hash family SHA2 and using the passed KeyStore.

func NewDummyKeyStore 

func NewDummyKeyStore() bccsp.KeyStore

模拟实现

func NewFileBasedKeyStore 

func NewFileBasedKeyStore(pwd []byte, path string, readOnly bool) (bccsp.KeyStore, error)

NewFileBasedKeyStore instantiated a file-based key store at a given position. The key store can be encrypted if a non-empty password is specifiec. It can be also be set as read only. In this case, any store operation will be forbidden

func ParseSm2Certificate2X509 

func ParseSm2Certificate2X509(sm2Cert *x509GM.Certificate) *x509.Certificate

sm2 证书转换 x509 证书

func ParseX509Certificate2Sm2 

func ParseX509Certificate2Sm2(x509Cert *x509.Certificate) *x509GM.Certificate

X509证书格式转换为 SM2证书格式

func ParseX509CertificateRequest2Sm2 

func ParseX509CertificateRequest2Sm2(x509req *x509.CertificateRequest) *x509GM.CertificateRequest

X509 证书请求转换 SM2证书请求

func SM4Decrypt 

func SM4Decrypt(key, src []byte) ([]byte, error)

AESCBCPKCS7Decrypt combines CBC decryption and PKCS7 unpadding

func SM4Encrypt 

func SM4Encrypt(key, src []byte) ([]byte, error)

AESCBCPKCS7Encrypt combines CBC encryption and PKCS7 padding

func SignatureToLowS 

func SignatureToLowS(k *ecdsa.PublicKey, signature []byte) ([]byte, error)

func ToLowS 

func ToLowS(k *ecdsa.PublicKey, s *big.Int) (*big.Int, bool, error)

func UnmarshalSM2Signature 

func UnmarshalSM2Signature(raw []byte) (*big.Int, *big.Int, error)

Types

type Decryptor 

type Decryptor interface {

	// Decrypt decrypts ciphertext using key k.
	// The opts argument should be appropriate for the algorithm used.
	Decrypt(k bccsp.Key, ciphertext []byte, opts bccsp.DecrypterOpts) (plaintext []byte, err error)
}

Decryptor is a BCCSP-like interface that provides decryption algorithms

type Encryptor 

type Encryptor interface {

	// Encrypt encrypts plaintext using key k.
	// The opts argument should be appropriate for the algorithm used.
	Encrypt(k bccsp.Key, plaintext []byte, opts bccsp.EncrypterOpts) (ciphertext []byte, err error)
}

Encryptor is a BCCSP-like interface that provides encryption algorithms

type Hasher 

type Hasher interface {

	// Hash hashes messages msg using options opts.
	// If opts is nil, the default hash function will be used.
	Hash(msg []byte, opts bccsp.HashOpts) (hash []byte, err error)

	// GetHash returns and instance of hash.Hash using options opts.
	// If opts is nil, the default hash function will be returned.
	GetHash(opts bccsp.HashOpts) (h hash.Hash, err error)
}

Hasher is a BCCSP-like interface that provides hash algorithms

type KeyDeriver 

type KeyDeriver interface {

	// KeyDeriv derives a key from k using opts.
	// The opts argument should be appropriate for the primitive used.
	KeyDeriv(k bccsp.Key, opts bccsp.KeyDerivOpts) (dk bccsp.Key, err error)
}

KeyDeriver is a BCCSP-like interface that provides key derivation algorithms

type KeyGenerator 

type KeyGenerator interface {

	// KeyGen generates a key using opts.
	KeyGen(opts bccsp.KeyGenOpts) (k bccsp.Key, err error)
}

KeyGenerator is a BCCSP-like interface that provides key generation algorithms

type KeyImporter 

type KeyImporter interface {

	// KeyImport imports a key from its raw representation using opts.
	// The opts argument should be appropriate for the primitive used.
	KeyImport(raw interface{}, opts bccsp.KeyImportOpts) (k bccsp.Key, err error)
}

KeyImporter is a BCCSP-like interface that provides key import algorithms

type SM2Signature 

type SM2Signature struct {
	R, S *big.Int
}

type Signer 

type Signer interface {

	// Sign signs digest using key k.
	// The opts argument should be appropriate for the algorithm used.
	//
	// Note that when a signature of a hash of a larger message is needed,
	// the caller is responsible for hashing the larger message and passing
	// the hash (as digest).
	Sign(k bccsp.Key, digest []byte, opts bccsp.SignerOpts) (signature []byte, err error)
}

Signer is a BCCSP-like interface that provides signing algorithms

type Verifier 

type Verifier interface {

	// Verify verifies signature against key k and digest
	// The opts argument should be appropriate for the algorithm used.
	Verify(k bccsp.Key, signature, digest []byte, opts bccsp.SignerOpts) (valid bool, err error)
}

Verifier is a BCCSP-like interface that provides verifying algorithms

Source Files

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