Struct fedimint_threshold_crypto::SecretKey
source · pub struct SecretKey(/* private fields */);
Expand description
A secret key; wraps a single prime field element. The field element is
heap allocated to avoid any stack copying that result when passing
SecretKey
s between stack frames.
Serde integration
SecretKey
implements Deserialize
but not Serialize
to avoid accidental
serialization in insecure contexts. To enable both use the ::serde_impl::SerdeSecret
wrapper which implements both Deserialize
and Serialize
.
Implementations§
source§impl SecretKey
impl SecretKey
sourcepub fn from_mut(fr: &mut Scalar) -> Self
pub fn from_mut(fr: &mut Scalar) -> Self
Creates a new SecretKey
from a mutable reference to a field element. This constructor
takes a reference to avoid any unnecessary stack copying/moving of secrets (i.e. the field
element). The field element is copied bytewise onto the heap, the resulting Box
is
stored in the returned SecretKey
.
WARNING this constructor will overwrite the referenced Scalar
element with zeros after it
has been copied onto the heap.
sourcepub fn random() -> Self
pub fn random() -> Self
Creates a new random instance of SecretKey
. If you want to use/define your own random
number generator, you should use the constructor:
SecretKey::sample()
. If you do not
need to specify your own RNG, you should use the
SecretKey::random()
constructor, which uses
rand::thread_rng()
internally as its
RNG.
sourcepub fn public_key(&self) -> PublicKey
pub fn public_key(&self) -> PublicKey
Returns the matching public key.
sourcepub fn sign<M: AsRef<[u8]>>(&self, msg: M) -> Signature
pub fn sign<M: AsRef<[u8]>>(&self, msg: M) -> Signature
Signs the given message.
This is equivalent to sign_g2(hash_g2(msg))
.
Trait Implementations§
source§impl<'de> Deserialize<'de> for SecretKey
impl<'de> Deserialize<'de> for SecretKey
source§fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>where
D: Deserializer<'de>,
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>where D: Deserializer<'de>,
source§impl Distribution<SecretKey> for Standard
impl Distribution<SecretKey> for Standard
source§fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> SecretKey
fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> SecretKey
Creates a new random instance of SecretKey
. If you do not need to specify your own RNG,
you should use the SecretKey::random()
constructor,
which uses rand::thread_rng()
internally as its RNG.
source§impl PartialEq<SecretKey> for SecretKey
impl PartialEq<SecretKey> for SecretKey
impl Eq for SecretKey
impl StructuralEq for SecretKey
impl StructuralPartialEq for SecretKey
Auto Trait Implementations§
impl RefUnwindSafe for SecretKey
impl Send for SecretKey
impl Sync for SecretKey
impl Unpin for SecretKey
impl UnwindSafe for SecretKey
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