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EcGroupRef

rama::crypto::dep::boring::ec

Struct EcGroupRef 

pub struct EcGroupRef(/* private fields */);
Available on crate features boring and crypto and std only.
Expand description

A borrowed reference to a EcGroup.

Implementations§

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impl EcGroupRef

pub fn components_gfp( &self, p: &mut BigNumRef, a: &mut BigNumRef, b: &mut BigNumRef, ctx: &mut BigNumContextRef, ) -> Result<(), ErrorStack>

Places the components of a curve over a prime field in the provided BigNums. The components make up the formula y^2 mod p = x^3 + ax + b mod p.

OpenSSL documentation available at EC_GROUP_get_curve_GFp

pub fn cofactor( &self, cofactor: &mut BigNumRef, ctx: &mut BigNumContextRef, ) -> Result<(), ErrorStack>

Places the cofactor of the group in the provided BigNum.

This corresponds to EC_GROUP_get_cofactor.

pub fn degree(&self) -> u32

Returns the degree of the curve.

This corresponds to EC_GROUP_get_degree.

pub fn order_bits(&self) -> u32

Returns the number of bits in the group order.

This corresponds to EC_GROUP_order_bits.

pub fn generator(&self) -> &EcPointRef

Returns the generator for the given curve as a EcPoint.

This corresponds to EC_GROUP_get0_generator.

pub fn order( &self, order: &mut BigNumRef, ctx: &mut BigNumContextRef, ) -> Result<(), ErrorStack>

Places the order of the curve in the provided BigNum.

This corresponds to EC_GROUP_get_order.

pub fn set_asn1_flag(&mut self, flag: Asn1Flag)

Sets the flag determining if the group corresponds to a named curve or must be explicitly parameterized.

This defaults to EXPLICIT_CURVE in OpenSSL 1.0.1 and 1.0.2, but NAMED_CURVE in OpenSSL 1.1.0.

pub fn curve_name(&self) -> Option<Nid>

Returns the name of the curve, if a name is associated.

This corresponds to EC_GROUP_get_curve_name.

Trait Implementations§

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impl AsMut<EcGroupRef> for EcGroup

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fn as_mut(&mut self) -> &mut EcGroupRef

Converts this type into a mutable reference of the (usually inferred) input type.
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impl AsRef<EcGroupRef> for EcGroup

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fn as_ref(&self) -> &EcGroupRef

Converts this type into a shared reference of the (usually inferred) input type.
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impl Borrow<EcGroupRef> for EcGroup

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fn borrow(&self) -> &EcGroupRef

Immutably borrows from an owned value. Read more
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impl BorrowMut<EcGroupRef> for EcGroup

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

Mutably borrows from an owned value. Read more
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impl ForeignTypeRef for EcGroupRef

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type CType = ec_group_st

The raw C type.
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unsafe fn from_ptr<'a>(ptr: *mut Self::CType) -> &'a Self

Constructs a shared instance of this type from its raw type. Read more
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unsafe fn from_ptr_mut<'a>(ptr: *mut Self::CType) -> &'a mut Self

Constructs a mutable reference of this type from its raw type. Read more
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fn as_ptr(&self) -> *mut Self::CType

Returns a raw pointer to the wrapped value.
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impl Send for EcGroupRef

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impl Sync for EcGroupRef

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