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Packages that use GroupElement | |
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net.i2p.crypto.eddsa | Java implementation of EdDSA, a digital signature scheme using a variant of elliptic curve cryptography based on Twisted Edwards curves. |
net.i2p.crypto.eddsa.math | Data structures that definie curves and fields, and the mathematical operaions on them. |
net.i2p.crypto.eddsa.spec | Specifications for curves and keys, and a table for named curves, initially containing only the 25519 curve "ed25519-sha-512". |
Uses of GroupElement in net.i2p.crypto.eddsa |
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Methods in net.i2p.crypto.eddsa that return GroupElement | |
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GroupElement |
EdDSAPrivateKey.getA()
|
GroupElement |
EdDSAPublicKey.getA()
|
GroupElement |
EdDSAPublicKey.getNegativeA()
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Uses of GroupElement in net.i2p.crypto.eddsa.math |
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Fields in net.i2p.crypto.eddsa.math declared as GroupElement | |
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(package private) GroupElement[] |
GroupElement.dblPrecmp
Precomputed table for doubleScalarMultiplyVariableTime(GroupElement, byte[], byte[]) ,
filled if necessary. |
(package private) GroupElement[][] |
GroupElement.precmp
Precomputed table for scalarMultiply(byte[]) ,
filled if necessary. |
Methods in net.i2p.crypto.eddsa.math that return GroupElement | |
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GroupElement |
GroupElement.add(GroupElement q)
GroupElement addition using the twisted Edwards addition law with extended coordinates (Hisil2008). |
static GroupElement |
GroupElement.cached(Curve curve,
FieldElement YpX,
FieldElement YmX,
FieldElement Z,
FieldElement T2d)
Creates a new group element in CACHED representation. |
(package private) GroupElement |
GroupElement.cmov(GroupElement u,
int b)
Constant-time conditional move. |
GroupElement |
Curve.createPoint(byte[] P,
boolean precompute)
|
GroupElement |
GroupElement.dbl()
Doubles a given group element p in P^2 or P^3 representation and returns the result in P x P representation. |
GroupElement |
GroupElement.doubleScalarMultiplyVariableTime(GroupElement A,
byte[] a,
byte[] b)
r = a * A + b * B where a = a[0]+256*a[1]+...+256^31 a[31], b = b[0]+256*b[1]+...+256^31 b[31] and B is this point. |
GroupElement |
Curve.getZero(GroupElement.Representation repr)
|
GroupElement |
GroupElement.negate()
Negates this group element by subtracting it from the neutral group element. |
static GroupElement |
GroupElement.p1p1(Curve curve,
FieldElement X,
FieldElement Y,
FieldElement Z,
FieldElement T)
Creates a new group element in P1P1 representation. |
static GroupElement |
GroupElement.p2(Curve curve,
FieldElement X,
FieldElement Y,
FieldElement Z)
Creates a new group element in P2 representation. |
static GroupElement |
GroupElement.p3(Curve curve,
FieldElement X,
FieldElement Y,
FieldElement Z,
FieldElement T)
Creates a new group element in P3 representation. |
static GroupElement |
GroupElement.precomp(Curve curve,
FieldElement ypx,
FieldElement ymx,
FieldElement xy2d)
Creates a new group element in PRECOMP representation. |
GroupElement |
GroupElement.scalarMultiply(byte[] a)
h = a * B where a = a[0]+256*a[1]+...+256^31 a[31] and B is this point. |
(package private) GroupElement |
GroupElement.select(int pos,
int b)
Look up 16^i r_i B in the precomputed table. |
GroupElement |
GroupElement.sub(GroupElement q)
GroupElement subtraction using the twisted Edwards addition law with extended coordinates (Hisil2008). |
GroupElement |
GroupElement.toCached()
Converts the group element to the CACHED representation. |
GroupElement |
GroupElement.toP2()
Converts the group element to the P2 representation. |
GroupElement |
GroupElement.toP3()
Converts the group element to the P3 representation. |
Methods in net.i2p.crypto.eddsa.math with parameters of type GroupElement | |
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GroupElement |
GroupElement.add(GroupElement q)
GroupElement addition using the twisted Edwards addition law with extended coordinates (Hisil2008). |
(package private) GroupElement |
GroupElement.cmov(GroupElement u,
int b)
Constant-time conditional move. |
GroupElement |
GroupElement.doubleScalarMultiplyVariableTime(GroupElement A,
byte[] a,
byte[] b)
r = a * A + b * B where a = a[0]+256*a[1]+...+256^31 a[31], b = b[0]+256*b[1]+...+256^31 b[31] and B is this point. |
GroupElement |
GroupElement.sub(GroupElement q)
GroupElement subtraction using the twisted Edwards addition law with extended coordinates (Hisil2008). |
Uses of GroupElement in net.i2p.crypto.eddsa.spec |
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Methods in net.i2p.crypto.eddsa.spec that return GroupElement | |
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GroupElement |
EdDSAPrivateKeySpec.getA()
|
GroupElement |
EdDSAPublicKeySpec.getA()
|
GroupElement |
EdDSAParameterSpec.getB()
|
GroupElement |
EdDSAPublicKeySpec.getNegativeA()
|
Constructors in net.i2p.crypto.eddsa.spec with parameters of type GroupElement | |
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EdDSANamedCurveSpec(String name,
Curve curve,
String hashAlgo,
ScalarOps sc,
GroupElement B)
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EdDSAParameterSpec(Curve curve,
String hashAlgo,
ScalarOps sc,
GroupElement B)
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EdDSAPrivateKeySpec(byte[] seed,
byte[] h,
byte[] a,
GroupElement A,
EdDSAParameterSpec spec)
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EdDSAPublicKeySpec(GroupElement A,
EdDSAParameterSpec spec)
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