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.NET Core >=3.0 & .NET Standard >=2.2, RSA Enhanced Extension. Provide XML format key import and export. Unified export and import of PKCS # 1, PKCS # 8, and XML formats. Supports PKCS # 1, PKCS # 8 PEM import and export.
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stulzq/RSAExtensions
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| Name | Name | Last commit message | Last commit date | |
|---|---|---|---|---|
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English|中文
RSAExtensions is an RSA algorithm enhancement extension for .NET Core. It adds some extension methods to RSA objects. The supported platforms are as follows:
| TargetFramework | Support version |
|---|---|
| .NET Core | >=3.0 |
| .NET Standard | >=2.1 |
Features：
- Provides key import and export in the XML format that .NET Frameworks have
- Provide support for PKCS # 1, PKCS # 8 PEM format import and export
- Provide unified import and export of PKCS # 1, PKCS # 8, XML format
- Provides support for big data encryption
Full range coverage test to ensure accuracy of each API.
Install from nuget
dotnet add package RSAExtensions
usingSystem.Security.Cryptography;varrsa=RSA.Create();
rsa.ExportPrivateKey(RSAKeyType.Pkcs1);rsa.ExportPublicKey(RSAKeyType.Pkcs1);
Private Key Output：
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rsa.ExportPrivateKey(RSAKeyType.Pkcs1,true);rsa.ExportPublicKey(RSAKeyType.Pkcs1,true);
Private Key Output：
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----rsa.ExportPrivateKey(RSAKeyType.Pkcs8);rsa.ExportPublicKey(RSAKeyType.Pkcs8);
Private Key Output：
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.ExportPrivateKey(RSAKeyType.Pkcs8,true);rsa.ExportPublicKey(RSAKeyType.Pkcs8,true);
Private Key Output：
-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----rsa.ExportPrivateKey(RSAKeyType.Xml);rsa.ExportPublicKey(RSAKeyType.Xml);
Private Key Output：
<RSAKeyValue> <Modulus>09Hvw+dbHzi8x+9A1b2S0/128nA61ZyiaazJcDCUety4yHg0cdp5NOnyH35njYR4u2XO5l4GptwzJQfkEzCNoAniofBkb/WMQjvUhJ30eVpa7p/aq+4cgnMYuwYRCOLAB3jpldzIvii1+BOr3oLeT+1blK9f8u3T5liIxV3DBFxEWbnhQWHMgYXpDBIV9cjVhLYZLznefoWZ8N9bVdg1aucgYSWiPbURdfZusyS2fUJgiDLu63KQw8Bhc9cIMnUh6fq2UIBMk1mg/zuKyuMzCM8FX/VvleXJwS11LAgkEhtkOKQXo2xB65+zxPAUl0mKWGKSP9gY8p0+cav4nFCSLQ==</Modulus> <Exponent>AQAB</Exponent> <P>6ZEU55sugjc/qcPW0u0fSxy5tJYI+8tFsKfw/5AAm4pq2SVfDQHkRODlv5Zr8DnFQz7WN2L7FL6f11qdIjO4/dF9oo5YlD+jlmTOdaZovNLT0w0KGnN3ChFnnyxyNSG33sxlwgUrBppY2W4Sh0rzNQ4VIBhGes6dHxuMg0hWCKM=</P> <Q>6ComYZkP5fJrT5tWNSTkb+UGyUwxquXWAgZB8GCkAzrc5t3QgPe+1W0bUSJOVddPX6mxx6yaM+ZMFc5pwdcyxYJ90+T/m2NNviMOC2fHB457OWr4HO0DloYHlWbniXfkOLGrWHshcbIEwbsYWnVYF3mOF2b/xDuDUB57B71Flu8=</Q> <DP>k9guL1zfV7W5KrC4btOCF32bX2AJV7kX5/amal6ww8QeVk19mTI1WBQz2c5RjMJEx4gi+PRCkqMHcr388QVkd+X/bMJF97FAz5YHyhkH+15IjzOVzaCBHXJe8TalJFSvmuwvDV1QGuHgk+FFATbENDUx0hsLofjfJC3AB+nl65k=</DP> <DQ>v80qvlDUuJUpILBlbSxYaTTeAWmoUtbkkfGXgj5k4aI8o6K3QgTrLKmh+sqLyxFBKvgnvp2TG7N0QkOwTYs7D795spgqr7Y/oQiW7sdCv7RviwUbi9Int7BtDXnhaUmaS1hFBalb/PEkSuUF/p2ZNHOg9yaJwRWlq4gy/jbZChM=</DQ> <InverseQ>EydINmQ+aX8+2W7ZxU66P+0XSYsA2M/m7eF0cn5B+N3E2TOYgwunWqjPksyprEtNlP/puf7li/g8G5j3fQ0Xy/KrVwR2emcvCZMqpjzkYhSn9KcVHUVJg/LHb7BDVx/uSZwj9Ok2qDX73PSa91DEsIPiKPQjkVw1QJJ19wlJMiQ=</InverseQ> <D>MzwYbp5LYCXtI78vQ4PzO+uXFdUnpfuZHU55+vUFNSKmX3cT2GYr4yyjMBL3ITflrA5YGUis+zdP96kM9cdMumUpuFnZMWuHXY3zPZCnTaMZU5a+4c9afgMw/CvfevK92BDbDzC0LarTOQopDE1DULns6O3ym2QDWTgY/QRM44StLMEaLjNdVhLS3lMZJPrMCtk1k044RStUkL/7yiLMUYtXV+Lpy/08dyHWdXfBcakusKw8EEZZ53skFeR6mkWT51wyKmBFf7D6rfUC+e282i8OGayu79zXvA0UutmUGa1Q9eAP8qsBrc/i++qa/X3JnfBrFyEwQBfQV3kiOM3T0Q==</D></RSAKeyValue>rsa.ImportPrivateKey(RSAKeyType.Pkcs1,"<privateKey>");rsa.ImportPublicKey(RSAKeyType.Pkcs1,"<publicKey>");
rsa.ImportPrivateKey(RSAKeyType.Pkcs1,"<privateKey>",true);rsa.ImportPublicKey(RSAKeyType.Pkcs1,"<publicKey>",true);
rsa.ImportPrivateKey(RSAKeyType.Pkcs8,"<privateKey>");rsa.ImportPublicKey(RSAKeyType.Pkcs8,"<publicKey>");
rsa.ImportPrivateKey(RSAKeyType.Pkcs8,"<privateKey>",true);rsa.ImportPublicKey(RSAKeyType.Pkcs8,"<publicKey>",true);
rsa.ImportPrivateKey(RSAKeyType.Xml,"<privateKey>");rsa.ImportPublicKey(RSAKeyType.Xml,"<publicKey>");
The "length" referred to below is the length in bytes.
The length of the encrypted data of the RSA algorithm is based on different padding algorithms. Generally, it supports data of equal Key modulus length. If the length exceeds this length, the data will be split and encrypted.
Key modulus length=KeySize/8
The following are the supported encrypted data lengths of the padding algorithms supported by .NET Core that I tested and sorted out:
| Padding | Minimum KeySize | Maximum encrypted data length |
|---|---|---|
| Pkcs1 | 512 | modulus length-11 |
| OaepSHA1 | 512 | modulus length-42 |
| OaepSHA256 | 1024 | modulus length-66 |
| OaepSHA384 | 1024 | modulus length-98 |
| OaepSHA512 | 2048 | modulus length-130 |
This component has been packaged with segmented encryption. You do not need to care about the relationship between the data length and the module length. The usage method is as follows:
var encrypt = rsa.EncryptBigData(data,<Padding>); var decrypt = rsa.DecryptBigData(encrypt,<Padding>);
About
.NET Core >=3.0 & .NET Standard >=2.2, RSA Enhanced Extension. Provide XML format key import and export. Unified export and import of PKCS # 1, PKCS # 8, and XML formats. Supports PKCS # 1, PKCS # 8 PEM import and export.
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