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AesCcm.Encrypt Method

  • Reference

Definition

Namespace:
System.Security.Cryptography
Assembly:
System.Security.Cryptography.Algorithms.dll
Assembly:
System.Security.Cryptography.dll
Assembly:
netstandard.dll

Overloads

Encrypt(Byte[], Byte[], Byte[], Byte[], Byte[])

Encrypts the plaintext into the ciphertext destination buffer and generates the authentication tag into a separate buffer.
Encrypt(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, Span<Byte>, ReadOnlySpan<Byte>)

Encrypts the plaintext into the ciphertext destination buffer and generates the authentication tag into a separate buffer.

Encrypt(Byte[], Byte[], Byte[], Byte[], Byte[])

Source:
AesCcm.cs
Source:
AesCcm.cs
Source:
AesCcm.cs

Encrypts the plaintext into the ciphertext destination buffer and generates the authentication tag into a separate buffer.

public void Encrypt (byte[] nonce, byte[] plaintext, byte[] ciphertext, byte[] tag, byte[]? associatedData = default);
public void Encrypt (byte[] nonce, byte[] plaintext, byte[] ciphertext, byte[] tag, byte[] associatedData = default);
member this.Encrypt : byte[] * byte[] * byte[] * byte[] * byte[] -> unit
Public Sub Encrypt (nonce As Byte(), plaintext As Byte(), ciphertext As Byte(), tag As Byte(), Optional associatedData As Byte() = Nothing)

Parameters

nonce
Byte[]

The nonce associated with this message, which should be a unique value for every operation with the same key.

plaintext
Byte[]

The content to encrypt.

ciphertext
Byte[]

The byte array to receive the encrypted contents.

tag
Byte[]

The byte array to receive the generated authentication tag.

associatedData
Byte[]

Extra data associated with this message, which must also be provided during decryption.

Exceptions

ArgumentException

The plaintext parameter and the ciphertext do not have the same length.

-or-

The nonce parameter length is not permitted by NonceByteSizes.

-or-

The tag parameter length is not permitted by TagByteSizes.

ArgumentNullException

The nonce, ciphertext, tag, or plaintext parameter is null.

CryptographicException

The encryption operation failed.

Remarks

The security guarantees of the AES-CCM algorithm mode require that the same nonce value is never used twice with the same key.

Applies to

Encrypt(ReadOnlySpan<Byte>, ReadOnlySpan<Byte>, Span<Byte>, Span<Byte>, ReadOnlySpan<Byte>)

Source:
AesCcm.cs
Source:
AesCcm.cs
Source:
AesCcm.cs

Encrypts the plaintext into the ciphertext destination buffer and generates the authentication tag into a separate buffer.

public void Encrypt (ReadOnlySpan<byte> nonce, ReadOnlySpan<byte> plaintext, Span<byte> ciphertext, Span<byte> tag, ReadOnlySpan<byte> associatedData = default);
member this.Encrypt : ReadOnlySpan<byte> * ReadOnlySpan<byte> * Span<byte> * Span<byte> * ReadOnlySpan<byte> -> unit
Public Sub Encrypt (nonce As ReadOnlySpan(Of Byte), plaintext As ReadOnlySpan(Of Byte), ciphertext As Span(Of Byte), tag As Span(Of Byte), Optional associatedData As ReadOnlySpan(Of Byte) = Nothing)

Parameters

nonce
ReadOnlySpan<Byte>

The nonce associated with this message, which should be a unique value for every operation with the same key.

plaintext
ReadOnlySpan<Byte>

The content to encrypt.

ciphertext
Span<Byte>

The byte span to receive the encrypted contents.

tag
Span<Byte>

The byte span to receive the generated authentication tag.

associatedData
ReadOnlySpan<Byte>

Extra data associated with this message, which must also be provided during decryption.

Exceptions

ArgumentException

The plaintext parameter and the ciphertext do not have the same length.

-or-

The nonce parameter length is not permitted by NonceByteSizes.

-or-

The tag parameter length is not permitted by TagByteSizes.

CryptographicException

The encryption operation failed.

Remarks

The security guarantees of the AES-CCM algorithm mode require that the same nonce value is never used twice with the same key.

Applies to