Struct OaepPublicEncryptingKey

pub struct OaepPublicEncryptingKey { /* private fields */ }

An RSA-OAEP public key for encryption.

Implementations

impl OaepPublicEncryptingKey

pub fn new( public_key: PublicEncryptingKey, ) -> Result<OaepPublicEncryptingKey, Unspecified>

Constructs an OaepPublicEncryptingKey from a PublicEncryptingKey.

Errors

• Unspecified: Any error that occurs while attempting to construct an RSA-OAEP public key.

pub fn encrypt<'ciphertext>( &self, algorithm: &'static OaepAlgorithm, plaintext: &[u8], ciphertext: &'ciphertext mut [u8], label: Option<&[u8]>, ) -> Result<&'ciphertext mut [u8], Unspecified>

Encrypts the contents in plaintext and writes the corresponding ciphertext to ciphertext. Returns the subslice of ciphertext containing the ciphertext output.

Max Plaintext Length

The provided length of plaintext must be at most Self::max_plaintext_size.

Sizing output

For OAEP_SHA1_MGF1SHA1, OAEP_SHA256_MGF1SHA256, OAEP_SHA384_MGF1SHA384, OAEP_SHA512_MGF1SHA512 The length of output must be greater then or equal to Self::ciphertext_size.

Errors

• Unspecified for any error that occurs while encrypting plaintext.

pub fn key_size_bytes(&self) -> usize

Returns the RSA key size in bytes.

pub fn key_size_bits(&self) -> usize

Returns the RSA key size in bits.

pub fn max_plaintext_size(&self, algorithm: &'static OaepAlgorithm) -> usize

Returns the max plaintext that could be decrypted using this key and with the provided algorithm.

pub fn ciphertext_size(&self) -> usize

Returns the max ciphertext size that will be output by Self::encrypt.

Trait Implementations

impl Debug for OaepPublicEncryptingKey

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

Formats the value using the given formatter.