rama::crypto::dep::aws_lc_rs::cipher

Struct EncryptingKey

pub struct EncryptingKey { /* private fields */ }
Expand description

A cipher encryption key that does not perform block padding.

Implementations§

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impl EncryptingKey

pub fn ctr(key: UnboundCipherKey) -> Result<EncryptingKey, Unspecified>

Constructs an EncryptingKey operating in counter (CTR) mode using the provided key.

§Errors
  • Unspecified: Returned if there is an error constructing the EncryptingKey.

pub fn cfb128(key: UnboundCipherKey) -> Result<EncryptingKey, Unspecified>

Constructs an EncryptingKey operating in cipher feedback 128-bit mode (CFB128) using the provided key.

§Errors
  • Unspecified: Returned if there is an error constructing the EncryptingKey.

pub fn ecb(key: UnboundCipherKey) -> Result<EncryptingKey, Unspecified>

Constructs an EncryptingKey operating in electronic code book mode (ECB) using the provided key.

§☠️ ️️️DANGER ☠️

Offered for computability purposes only. This is an extremely dangerous mode, and very likely not what you want to use.

§Errors
  • Unspecified: Returned if there is an error constructing the EncryptingKey.

pub fn algorithm(&self) -> &Algorithm

Returns the cipher algorithm.

pub fn mode(&self) -> OperatingMode

Returns the cipher operating mode.

pub fn encrypt( &self, in_out: &mut [u8], ) -> Result<DecryptionContext, Unspecified>

Encrypts the data provided in in_out in-place. Returns a DecryptionContext with the randomly generated IV that was used to encrypt the data provided.

If EncryptingKey is operating in OperatingMode::ECB, then in_out.len() must be a multiple of the block length.

§Errors
  • Unspecified: Returned if cipher mode requires input to be a multiple of the block length, and in_out.len() is not. Otherwise, returned if encryption fails.

pub fn less_safe_encrypt( &self, in_out: &mut [u8], context: EncryptionContext, ) -> Result<DecryptionContext, Unspecified>

Encrypts the data provided in in_out in-place using the provided EncryptionContext. This is considered “less safe” because the caller could potentially construct a EncryptionContext from a previously used IV (initialization vector). Returns a DecryptionContext produced from the provided EncryptionContext.

If EncryptingKey is operating in OperatingMode::ECB, then in_out.len() must be a multiple of the block length.

§Errors
  • Unspecified: Returned if cipher mode requires input to be a multiple of the block length, and in_out.len() is not. Otherwise returned if encryption fails.

Trait Implementations§

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impl Debug for EncryptingKey

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

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