pub enum SignatureAlgorithm {
RsaSha1,
RsaSha256,
RsaSha384,
RsaSha512,
EcdsaSha256,
EcdsaSha384,
Ed25519,
}
Expand description
An algorithm used to digitally sign content.
Instances can be converted to/from Oid via From
/Into
.
Similarly, instances can be converted to/from an ASN.1 AlgorithmIdentifier.
It is also possible to obtain a signature::VerificationAlgorithm from an instance. This type can perform actual cryptographic verification that was signed with this algorithm.
Variants
RsaSha1
SHA-1 with RSA encryption.
Corresponds to OID 1.2.840.113549.1.1.5.
RsaSha256
SHA-256 with RSA encryption.
Corresponds to OID 1.2.840.113549.1.1.11.
RsaSha384
SHA-384 with RSA encryption.
Corresponds to OID 1.2.840.113549.1.1.12.
RsaSha512
SHA-512 with RSA encryption.
Corresponds to OID 1.2.840.113549.1.1.13.
EcdsaSha256
ECDSA with SHA-256.
Corresponds to OID 1.2.840.10045.4.3.2.
EcdsaSha384
ECDSA with SHA-384.
Corresponds to OID 1.2.840.10045.4.3.3.
Ed25519
ED25519
Corresponds to OID 1.3.101.112.
Implementations
sourceimpl SignatureAlgorithm
impl SignatureAlgorithm
sourcepub fn from_oid_and_digest_algorithm(
oid: &Oid,
digest_algorithm: DigestAlgorithm
) -> Result<Self, Error>
pub fn from_oid_and_digest_algorithm(
oid: &Oid,
digest_algorithm: DigestAlgorithm
) -> Result<Self, Error>
Attempt to resolve an instance from an OID, known KeyAlgorithm, and optional DigestAlgorithm.
Signature algorithm OIDs in the wild are typically either:
a) an OID that denotes the key algorithm and corresponding digest format (what this enumeration represents) b) an OID that denotes just the key algorithm.
What this function does is attempt to construct an instance from any OID. If the OID defines a key + digest algorithm, we get a SignatureAlgorithm from that. If we get a key algorithm we combine with the provided DigestAlgorithm to resolve an appropriate SignatureAlgorithm.
sourcepub fn resolve_verification_algorithm(
&self,
key_algorithm: KeyAlgorithm
) -> Result<&'static dyn VerificationAlgorithm, Error>
pub fn resolve_verification_algorithm(
&self,
key_algorithm: KeyAlgorithm
) -> Result<&'static dyn VerificationAlgorithm, Error>
Attempt to resolve the verification algorithm using info about the signing key algorithm.
Only specific combinations of methods are supported. e.g. you can only use RSA verification with RSA signing keys. Same for ECDSA and ED25519.
sourcepub fn digest_algorithm(&self) -> Option<DigestAlgorithm>
pub fn digest_algorithm(&self) -> Option<DigestAlgorithm>
Resolve the DigestAlgorithm for this signature algorithm.
Trait Implementations
sourceimpl Clone for SignatureAlgorithm
impl Clone for SignatureAlgorithm
sourcefn clone(&self) -> SignatureAlgorithm
fn clone(&self) -> SignatureAlgorithm
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl Debug for SignatureAlgorithm
impl Debug for SignatureAlgorithm
sourceimpl Display for SignatureAlgorithm
impl Display for SignatureAlgorithm
sourceimpl From<SignatureAlgorithm> for Oid
impl From<SignatureAlgorithm> for Oid
sourcefn from(alg: SignatureAlgorithm) -> Self
fn from(alg: SignatureAlgorithm) -> Self
Converts to this type from the input type.
sourceimpl From<SignatureAlgorithm> for AlgorithmIdentifier
impl From<SignatureAlgorithm> for AlgorithmIdentifier
sourcefn from(alg: SignatureAlgorithm) -> Self
fn from(alg: SignatureAlgorithm) -> Self
Converts to this type from the input type.
sourceimpl TryFrom<&'_ AlgorithmIdentifier> for SignatureAlgorithm
impl TryFrom<&'_ AlgorithmIdentifier> for SignatureAlgorithm
type Error = X509CertificateError
type Error = X509CertificateError
The type returned in the event of a conversion error.
sourcefn try_from(v: &AlgorithmIdentifier) -> Result<Self, Self::Error>
fn try_from(v: &AlgorithmIdentifier) -> Result<Self, Self::Error>
Performs the conversion.
sourceimpl TryFrom<&'_ Oid<Bytes>> for SignatureAlgorithm
impl TryFrom<&'_ Oid<Bytes>> for SignatureAlgorithm
impl Copy for SignatureAlgorithm
impl Eq for SignatureAlgorithm
impl StructuralEq for SignatureAlgorithm
impl StructuralPartialEq for SignatureAlgorithm
Auto Trait Implementations
impl RefUnwindSafe for SignatureAlgorithm
impl Send for SignatureAlgorithm
impl Sync for SignatureAlgorithm
impl Unpin for SignatureAlgorithm
impl UnwindSafe for SignatureAlgorithm
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more