本文整理汇总了C#中System.Security.Cryptography.RSA.EncryptValue方法的典型用法代码示例。如果您正苦于以下问题：C# RSA.EncryptValue方法的具体用法？C# RSA.EncryptValue怎么用？C# RSA.EncryptValue使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Security.Cryptography.RSA的用法示例。
在下文中一共展示了RSA.EncryptValue方法的4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，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: RsaOaepEncrypt
[System.Security.SecurityCritical] // auto-generated
internal static byte[] RsaOaepEncrypt (RSA rsa, HashAlgorithm hash, PKCS1MaskGenerationMethod mgf, RandomNumberGenerator rng, byte[] data) {
int cb = rsa.KeySize / 8;
// 1. Hash the parameters to get PHash
int cbHash = hash.HashSize / 8;
if ((data.Length + 2 + 2*cbHash) > cb)
throw new CryptographicException(String.Format(null, Environment.GetResourceString("Cryptography_Padding_EncDataTooBig"), cb-2-2*cbHash));
hash.ComputeHash(EmptyArray<Byte>.Value); // Use an empty octet string
// 2. Create DB object
byte[] DB = new byte[cb - cbHash];
// Structure is as follows:
// pHash || PS || 01 || M
// PS consists of all zeros
Buffer.InternalBlockCopy(hash.Hash, 0, DB, 0, cbHash);
DB[DB.Length - data.Length - 1] = 1;
Buffer.InternalBlockCopy(data, 0, DB, DB.Length-data.Length, data.Length);
// 3. Create a random value of size hLen
byte[] seed = new byte[cbHash];
rng.GetBytes(seed);
// 4. Compute the mask value
byte[] mask = mgf.GenerateMask(seed, DB.Length);
// 5. Xor maskDB into DB
for (int i=0; i < DB.Length; i++) {
DB[i] = (byte) (DB[i] ^ mask[i]);
}
// 6. Compute seed mask value
mask = mgf.GenerateMask(DB, cbHash);
// 7. Xor mask into seed
for (int i=0; i < seed.Length; i++) {
seed[i] ^= mask[i];
}
// 8. Concatenate seed and DB to form value to encrypt
byte[] pad = new byte[cb];
Buffer.InternalBlockCopy(seed, 0, pad, 0, seed.Length);
Buffer.InternalBlockCopy(DB, 0, pad, seed.Length, DB.Length);
return rsa.EncryptValue(pad);
}示例2: RSAEP
// PKCS #1 v.2.1, Section 5.1.1
public static byte[] RSAEP (RSA rsa, byte[] m)
{
// c = m^e mod n
return rsa.EncryptValue (m);
}示例3: RSAVP1
// PKCS #1 v.2.1, Section 5.2.2
public static byte[] RSAVP1 (RSA rsa, byte[] s)
{
// m = s^e mod n
return rsa.EncryptValue (s);
}示例4: RsaOaepEncrypt
internal static byte[] RsaOaepEncrypt(RSA rsa, HashAlgorithm hash, PKCS1MaskGenerationMethod mgf, RandomNumberGenerator rng, byte[] data)
{
int num = rsa.KeySize / 8;
int byteCount = hash.HashSize / 8;
if (((data.Length + 2) + (2 * byteCount)) > num)
{
throw new CryptographicException(string.Format(null, Environment.GetResourceString("Cryptography_Padding_EncDataTooBig"), new object[] { (num - 2) - (2 * byteCount) }));
}
hash.ComputeHash(new byte[0]);
byte[] dst = new byte[num - byteCount];
Buffer.InternalBlockCopy(hash.Hash, 0, dst, 0, byteCount);
dst[(dst.Length - data.Length) - 1] = 1;
Buffer.InternalBlockCopy(data, 0, dst, dst.Length - data.Length, data.Length);
byte[] buffer2 = new byte[byteCount];
rng.GetBytes(buffer2);
byte[] buffer3 = mgf.GenerateMask(buffer2, dst.Length);
for (int i = 0; i < dst.Length; i++)
{
dst[i] = (byte) (dst[i] ^ buffer3[i]);
}
buffer3 = mgf.GenerateMask(dst, byteCount);
for (int j = 0; j < buffer2.Length; j++)
{
buffer2[j] = (byte) (buffer2[j] ^ buffer3[j]);
}
byte[] buffer4 = new byte[num];
Buffer.InternalBlockCopy(buffer2, 0, buffer4, 0, buffer2.Length);
Buffer.InternalBlockCopy(dst, 0, buffer4, buffer2.Length, dst.Length);
return rsa.EncryptValue(buffer4);
}