Enum sequoia_openpgp::types::PublicKeyAlgorithm

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#[non_exhaustive]
pub enum PublicKeyAlgorithm { RSAEncryptSign, RSAEncrypt, RSASign, ElGamalEncrypt, DSA, ECDH, ECDSA, ElGamalEncryptSign, EdDSA, Private(u8), Unknown(u8), }
Expand description

The OpenPGP public key algorithms as defined in Section 9.1 of RFC 4880, and Section 5 of RFC 6637.

Note: This enum cannot be exhaustively matched to allow future extensions.

§Examples

use sequoia_openpgp as openpgp;
use openpgp::cert::prelude::*;
use openpgp::types::PublicKeyAlgorithm;

let (cert, _) = CertBuilder::new()
    .set_cipher_suite(CipherSuite::Cv25519)
    .generate()?;

assert_eq!(cert.primary_key().pk_algo(), PublicKeyAlgorithm::EdDSA);

Variants (Non-exhaustive)§

This enum is marked as 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.
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RSAEncryptSign

RSA (Encrypt or Sign)

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RSAEncrypt

👎Deprecated: Use PublicKeyAlgorithm::RSAEncryptSign.

RSA Encrypt-Only, deprecated in RFC 4880.

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RSASign

👎Deprecated: Use PublicKeyAlgorithm::RSAEncryptSign.

RSA Sign-Only, deprecated in RFC 4880.

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ElGamalEncrypt

ElGamal (Encrypt-Only)

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DSA

DSA (Digital Signature Algorithm)

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ECDH

Elliptic curve DH

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ECDSA

Elliptic curve DSA

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ElGamalEncryptSign

👎Deprecated: If you really must, use PublicKeyAlgorithm::ElGamalEncrypt.

ElGamal (Encrypt or Sign), deprecated in RFC 4880.

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EdDSA

“Twisted” Edwards curve DSA

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Private(u8)

Private algorithm identifier.

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Unknown(u8)

Unknown algorithm identifier.

Implementations§

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impl PublicKeyAlgorithm

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pub fn for_signing(&self) -> bool

Returns true if the algorithm can sign data.

§Examples
use sequoia_openpgp as openpgp;
use openpgp::types::PublicKeyAlgorithm;

assert!(PublicKeyAlgorithm::EdDSA.for_signing());
assert!(PublicKeyAlgorithm::RSAEncryptSign.for_signing());
assert!(!PublicKeyAlgorithm::ElGamalEncrypt.for_signing());
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pub fn for_encryption(&self) -> bool

Returns true if the algorithm can encrypt data.

§Examples
use sequoia_openpgp as openpgp;
use openpgp::types::PublicKeyAlgorithm;

assert!(!PublicKeyAlgorithm::EdDSA.for_encryption());
assert!(PublicKeyAlgorithm::RSAEncryptSign.for_encryption());
assert!(PublicKeyAlgorithm::ElGamalEncrypt.for_encryption());
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pub fn is_supported(&self) -> bool

Returns whether this algorithm is supported.

§Examples
use sequoia_openpgp as openpgp;
use openpgp::types::PublicKeyAlgorithm;

assert!(PublicKeyAlgorithm::EdDSA.is_supported());
assert!(PublicKeyAlgorithm::RSAEncryptSign.is_supported());
assert!(!PublicKeyAlgorithm::Private(101).is_supported());
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pub fn variants() -> impl Iterator<Item = Self>

Returns an iterator over all valid variants.

Returns an iterator over all known variants. This does not include the PublicKeyAlgorithm::Private, or PublicKeyAlgorithm::Unknown variants.

Trait Implementations§

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impl Clone for PublicKeyAlgorithm

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fn clone(&self) -> PublicKeyAlgorithm

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
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impl Debug for PublicKeyAlgorithm

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

Formats the value using the given formatter. Read more
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impl Display for PublicKeyAlgorithm

Formats the public key algorithm name.

There are two ways the public key algorithm name can be formatted. By default the short name is used. The alternate format uses the full public key algorithm name.

§Examples

use sequoia_openpgp as openpgp;
use openpgp::types::PublicKeyAlgorithm;

// default, short format
assert_eq!("ECDH", format!("{}", PublicKeyAlgorithm::ECDH));

// alternate, long format
assert_eq!("ECDH public key algorithm", format!("{:#}", PublicKeyAlgorithm::ECDH));
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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl From<PublicKeyAlgorithm> for u8

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fn from(p: PublicKeyAlgorithm) -> u8

Converts to this type from the input type.
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impl From<u8> for PublicKeyAlgorithm

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fn from(u: u8) -> Self

Converts to this type from the input type.
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impl Hash for PublicKeyAlgorithm

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for PublicKeyAlgorithm

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fn cmp(&self, other: &PublicKeyAlgorithm) -> Ordering

This method returns an Ordering between self and other. Read more
1.21.0 · source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
1.21.0 · source§

fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized + PartialOrd,

Restrict a value to a certain interval. Read more
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impl PartialEq for PublicKeyAlgorithm

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for PublicKeyAlgorithm

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fn partial_cmp(&self, other: &PublicKeyAlgorithm) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
1.0.0 · source§

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

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Copy for PublicKeyAlgorithm

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impl Eq for PublicKeyAlgorithm

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impl StructuralPartialEq for PublicKeyAlgorithm

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.