Enum EncryptionScheme 

#[non_exhaustive]
pub enum EncryptionScheme {
    Aes128Cbc {
        iv: [u8; 16],
    },
    Aes192Cbc {
        iv: [u8; 16],
    },
    Aes256Cbc {
        iv: [u8; 16],
    },
    Aes128Gcm {
        nonce: [u8; 12],
    },
    Aes256Gcm {
        nonce: [u8; 12],
    },
}

Symmetric encryption scheme used by PBES2.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Aes128Cbc

AES-128 in CBC mode

Fields

iv: [u8; 16]

Initialization vector

Aes192Cbc

AES-192 in CBC mode

Fields

iv: [u8; 16]

Initialization vector

Aes256Cbc

AES-256 in CBC mode

Fields

iv: [u8; 16]

Initialization vector

Aes128Gcm

AES-128 in CBC mode

Fields

nonce: [u8; 12]

GCM nonce

Aes256Gcm

AES-256 in GCM mode

Fields

nonce: [u8; 12]

GCM nonce

Implementations

impl EncryptionScheme

pub fn key_size(&self) -> usize

Get the size of a key used by this algorithm in bytes.

pub fn oid(&self) -> ObjectIdentifier

Get the ObjectIdentifier (a.k.a OID) for this algorithm.

pub fn to_alg_params_invalid(&self) -> Error

Convenience function to turn the OID (see oid) of this EncryptionScheme into error case Error::AlgorithmParametersInvalid

Trait Implementations

impl Clone for EncryptionScheme

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for EncryptionScheme

impl Debug for EncryptionScheme

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

Formats the value using the given formatter.

impl<'a> Decode<'a> for EncryptionScheme

type Error = Error

Type returned in the event of a decoding error.

fn decode<R: Reader<'a>>(reader: &mut R) -> Result<Self>

Attempt to decode this TLV message using the provided decoder.

fn from_der(bytes: &'a [u8]) -> Result<Self, Self::Error>

Parse Self from the provided DER-encoded byte slice.

fn from_der_partial(bytes: &'a [u8]) -> Result<(Self, &'a [u8]), Self::Error>

Parse Self from the provided DER-encoded byte slice.

impl Encode for EncryptionScheme

fn encoded_len(&self) -> Result<Length>

Compute the length of this TLV object in bytes when encoded as ASN.1 DER.

fn encode(&self, writer: &mut impl Writer) -> Result<()>

Encode this TLV object as ASN.1 DER using the provided Writer.

fn encode_to_slice<'a>(&self, buf: &'a mut [u8]) -> Result<&'a [u8], Error>

Encode this TLV object to the provided byte slice, returning a sub-slice containing the encoded message.

fn encode_to_vec(&self, buf: &mut Vec<u8>) -> Result<Length, Error>

Encode this TLV object as ASN.1 DER, appending it to the provided byte vector.

fn to_der(&self) -> Result<Vec<u8>, Error>

Encode this TLV object as ASN.1 DER, returning a byte vector.

impl Eq for EncryptionScheme

impl PartialEq for EncryptionScheme

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for EncryptionScheme

impl<'a> TryFrom<&'a EncryptionScheme> for AlgorithmIdentifierRef<'a>

type Error = Error

The type returned in the event of a conversion error.

fn try_from(scheme: &'a EncryptionScheme) -> Result<Self>

Performs the conversion.

impl TryFrom<AlgorithmIdentifier<AnyRef<'_>>> for EncryptionScheme

type Error = Error

The type returned in the event of a conversion error.

fn try_from(alg: AlgorithmIdentifierRef<'_>) -> Result<Self>

Performs the conversion.