RSA.VerifyData 方法
定义
验证数字签名有效。Verifies that a digital signature is valid.
重载
| VerifyData(Byte[], Byte[], HashAlgorithmName, RSASignaturePadding) |
通过使用指定的哈希算法和填充方式计算指定数据的哈希值,然后将其与提供的签名进行比较来验证数字签名是否有效。Verifies that a digital signature is valid by calculating the hash value of the specified data using the specified hash algorithm and padding, and comparing it to the provided signature. |
| VerifyData(Stream, Byte[], HashAlgorithmName, RSASignaturePadding) |
通过使用指定的哈希算法和填充方式计算指定流的哈希值,然后将其与提供的签名进行比较来验证数字签名是否有效。Verifies that a digital signature is valid by calculating the hash value of the specified stream using the specified hash algorithm and padding, and comparing it to the provided signature. |
| VerifyData(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, HashAlgorithmName, RSASignaturePadding) |
通过使用指定的哈希算法和填充方式计算指定数据的哈希值,然后将其与提供的签名进行比较来验证数字签名是否有效。Verifies that a digital signature is valid by calculating the hash value of the specified data using the specified hash algorithm and padding, and comparing it to the provided signature. |
| VerifyData(Byte[], Int32, Int32, Byte[], HashAlgorithmName, RSASignaturePadding) |
通过使用指定的哈希算法和填充模式计算字节数组某部分中数据的哈希值,并将其与所提供的签名进行比较,以此验证数字签名是否有效。Verifies that a digital signature is valid by calculating the hash value of the data in a portion of a byte array using the specified hash algorithm and padding, and comparing it to the provided signature. |
VerifyData(Byte[], Byte[], HashAlgorithmName, RSASignaturePadding)
通过使用指定的哈希算法和填充方式计算指定数据的哈希值,然后将其与提供的签名进行比较来验证数字签名是否有效。Verifies that a digital signature is valid by calculating the hash value of the specified data using the specified hash algorithm and padding, and comparing it to the provided signature.
public:
bool VerifyData(cli::array <System::Byte> ^ data, cli::array <System::Byte> ^ signature, System::Security::Cryptography::HashAlgorithmName hashAlgorithm, System::Security::Cryptography::RSASignaturePadding ^ padding);
public bool VerifyData (byte[] data, byte[] signature, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding);
member this.VerifyData : byte[] * byte[] * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> bool
Public Function VerifyData (data As Byte(), signature As Byte(), hashAlgorithm As HashAlgorithmName, padding As RSASignaturePadding) As Boolean
参数
- data
- Byte[]
已签名的数据。The signed data.
- signature
- Byte[]
要验证的签名数据。The signature data to be verified.
- hashAlgorithm
- HashAlgorithmName
要用于创建数据哈希值的哈希算法。The hash algorithm used to create the hash value of the data.
- padding
- RSASignaturePadding
填充模式。The padding mode.
返回
如果签名有效,则为 true;否则为 false。true if the signature is valid; otherwise, false.
例外
data 为 null。data is null.
- 或 --or-
signature 为 null。signature is null.
- 或 --or-
padding 为 null。padding is null.
padding 未知或不受此实现支持。padding is unknown, or not supported by this implementation.
适用于
VerifyData(Stream, Byte[], HashAlgorithmName, RSASignaturePadding)
通过使用指定的哈希算法和填充方式计算指定流的哈希值,然后将其与提供的签名进行比较来验证数字签名是否有效。Verifies that a digital signature is valid by calculating the hash value of the specified stream using the specified hash algorithm and padding, and comparing it to the provided signature.
public:
bool VerifyData(System::IO::Stream ^ data, cli::array <System::Byte> ^ signature, System::Security::Cryptography::HashAlgorithmName hashAlgorithm, System::Security::Cryptography::RSASignaturePadding ^ padding);
public bool VerifyData (System.IO.Stream data, byte[] signature, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding);
member this.VerifyData : System.IO.Stream * byte[] * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> bool
Public Function VerifyData (data As Stream, signature As Byte(), hashAlgorithm As HashAlgorithmName, padding As RSASignaturePadding) As Boolean
参数
- data
- Stream
已签名的数据。The signed data.
- signature
- Byte[]
要验证的签名数据。The signature data to be verified.
- hashAlgorithm
- HashAlgorithmName
要用于创建数据哈希值的哈希算法。The hash algorithm used to create the hash value of the data.
- padding
- RSASignaturePadding
填充模式。The padding mode.
返回
如果签名有效,则为 true;否则为 false。true if the signature is valid; otherwise, false.
例外
data 为 null。data is null.
- 或 --or-
signature 为 null。signature is null.
- 或 --or-
padding 为 null。padding is null.
padding 未知或不受此实现支持。padding is unknown, or not supported by this implementation.
适用于
VerifyData(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, HashAlgorithmName, RSASignaturePadding)
通过使用指定的哈希算法和填充方式计算指定数据的哈希值,然后将其与提供的签名进行比较来验证数字签名是否有效。Verifies that a digital signature is valid by calculating the hash value of the specified data using the specified hash algorithm and padding, and comparing it to the provided signature.
public:
virtual bool VerifyData(ReadOnlySpan<System::Byte> data, ReadOnlySpan<System::Byte> signature, System::Security::Cryptography::HashAlgorithmName hashAlgorithm, System::Security::Cryptography::RSASignaturePadding ^ padding);
public virtual bool VerifyData (ReadOnlySpan<byte> data, ReadOnlySpan<byte> signature, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding);
abstract member VerifyData : ReadOnlySpan<byte> * ReadOnlySpan<byte> * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> bool
override this.VerifyData : ReadOnlySpan<byte> * ReadOnlySpan<byte> * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> bool
Public Overridable Function VerifyData (data As ReadOnlySpan(Of Byte), signature As ReadOnlySpan(Of Byte), hashAlgorithm As HashAlgorithmName, padding As RSASignaturePadding) As Boolean
参数
- data
- ReadOnlySpan<Byte>
已签名的数据。The signed data.
- signature
- ReadOnlySpan<Byte>
要验证的签名数据。The signature data to be verified.
- hashAlgorithm
- HashAlgorithmName
要用于创建数据哈希值的哈希算法。The hash algorithm used to create the hash value of the data.
- padding
- RSASignaturePadding
填充模式。The padding mode.
返回
如果签名有效,则为 true;否则为 false。true if the signature is valid; otherwise, false.
例外
padding 未知或不受此实现支持。padding is unknown, or not supported by this implementation.
适用于
VerifyData(Byte[], Int32, Int32, Byte[], HashAlgorithmName, RSASignaturePadding)
通过使用指定的哈希算法和填充模式计算字节数组某部分中数据的哈希值,并将其与所提供的签名进行比较,以此验证数字签名是否有效。Verifies that a digital signature is valid by calculating the hash value of the data in a portion of a byte array using the specified hash algorithm and padding, and comparing it to the provided signature.
public:
virtual bool VerifyData(cli::array <System::Byte> ^ data, int offset, int count, cli::array <System::Byte> ^ signature, System::Security::Cryptography::HashAlgorithmName hashAlgorithm, System::Security::Cryptography::RSASignaturePadding ^ padding);
public virtual bool VerifyData (byte[] data, int offset, int count, byte[] signature, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding);
abstract member VerifyData : byte[] * int * int * byte[] * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> bool
override this.VerifyData : byte[] * int * int * byte[] * System.Security.Cryptography.HashAlgorithmName * System.Security.Cryptography.RSASignaturePadding -> bool
Public Overridable Function VerifyData (data As Byte(), offset As Integer, count As Integer, signature As Byte(), hashAlgorithm As HashAlgorithmName, padding As RSASignaturePadding) As Boolean
参数
- data
- Byte[]
已签名的数据。The signed data.
- offset
- Int32
开始计算哈希的起始索引。The starting index at which to compute the hash.
- count
- Int32
要进行哈希处理的字节数。The number of bytes to hash.
- signature
- Byte[]
要验证的签名数据。The signature data to be verified.
- hashAlgorithm
- HashAlgorithmName
要用于创建数据哈希值的哈希算法。The hash algorithm used to create the hash value of the data.
- padding
- RSASignaturePadding
填充模式。The padding mode.
返回
如果签名有效,则为 true;否则为 false。true if the signature is valid; otherwise, false.
例外
data 为 null。data is null.
- 或 --or-
signature 为 null。signature is null.
- 或 --or-
padding 为 null。padding is null.
offset 小于零。offset is less than zero.
- 或 --or-
count 小于零。count is less than zero.
- 或 --or-
offset + count - 1 会导致超出 data 上限的索引。offset + count - 1 results in an index that is beyond the upper bound of data.
padding 未知或不受此实现支持。padding is unknown, or not supported by this implementation.