Method Detail

• cryptoCoreRistretto255IsValidPoint

   abstract boolean cryptoCoreRistretto255IsValidPoint(String point)

  Returns whether the passed encoded string represents a valid Ristretto255 point.

  Parameters:

  point - the point to check

• cryptoCoreRistretto255Random

   abstract Ristretto255.RistrettoPoint cryptoCoreRistretto255Random()

  Chooses a random Ristretto255 point and returns it.

• cryptoCoreRistretto255FromHash

   abstract Ristretto255.RistrettoPoint cryptoCoreRistretto255FromHash(String hash)

  Maps a RISTRETTO255_HASH_BYTES bytes hash to a .

  Parameters:

  hash - the encoded hash

• cryptoCoreRistretto255FromHash

   abstract Ristretto255.RistrettoPoint cryptoCoreRistretto255FromHash(Array<byte> hash)

  Maps a RISTRETTO255_HASH_BYTES bytes hash to a Ristretto255 point.

  Parameters:

  hash - the hash, must be RISTRETTO255_HASH_BYTES

• cryptoScalarmultRistretto255

   abstract Ristretto255.RistrettoPoint cryptoScalarmultRistretto255(BigInteger n, Ristretto255.RistrettoPoint point)

  Multiplies the given Ristretto255 {@code point} by the scalar {@code n} and returns theresulting point.

  Parameters:

  n - the scalar

  point - the Ristretto255 point

• cryptoScalarmultRistretto255

   abstract Ristretto255.RistrettoPoint cryptoScalarmultRistretto255(String nEnc, Ristretto255.RistrettoPoint point)

  Multiplies the given Ristretto255 {@code point} by the scalar {@code n} and returns theresulting point.

  Parameters:

  nEnc - the encoded scalar bytes, in little-endian byte order

  point - the Ristretto255 point

• cryptoScalarmultRistretto255

   abstract Ristretto255.RistrettoPoint cryptoScalarmultRistretto255(Array<byte> n, Ristretto255.RistrettoPoint point)

  Multiplies the given Ristretto255 {@code point} by the scalar {@code n} and returns theresulting point.

  Parameters:

  n - the scalar, must be RISTRETTO255_BYTES bytes, inlittle-endian encoding

  point - the Ristretto255 point

• cryptoScalarmultRistretto255Base

   abstract Ristretto255.RistrettoPoint cryptoScalarmultRistretto255Base(BigInteger n)

  Multiplies the Ristretto255 base point by the scalar {@code n} and returns the result.

  Parameters:

  n - the scalar

• cryptoScalarmultRistretto255Base

   abstract Ristretto255.RistrettoPoint cryptoScalarmultRistretto255Base(String nEnc)

  Multiplies the Ristretto255 base point by the scalar {@code n} and returns the result.

  Parameters:

  nEnc - the encoded scalar, in little-endian byte order

• cryptoScalarmultRistretto255Base

   abstract Ristretto255.RistrettoPoint cryptoScalarmultRistretto255Base(Array<byte> n)

  Multiplies the Ristretto255 base point by the scalar {@code n} and returns the result.

  Parameters:

  n - the scalar, must be RISTRETTO255_SCALAR_BYTES bytes, inlittle-endian encoding

• cryptoCoreRistretto255Add

   abstract Ristretto255.RistrettoPoint cryptoCoreRistretto255Add(Ristretto255.RistrettoPoint p, Ristretto255.RistrettoPoint q)

  Adds two given Ristretto255 points {@code p} and {@code q} and returns the result.

  Parameters:

  p - the first Ristretto255 point

  q - the second Ristretto255 point

• cryptoCoreRistretto255Sub

   abstract Ristretto255.RistrettoPoint cryptoCoreRistretto255Sub(Ristretto255.RistrettoPoint p, Ristretto255.RistrettoPoint q)

  Subtracts two given Ristretto255 points {@code p} and {@code q} and returns the result.

  Parameters:

  p - the first Ristretto255 point

  q - the second Ristretto255 point

• cryptoCoreRistretto255ScalarRandom

   abstract BigInteger cryptoCoreRistretto255ScalarRandom()

  Creates a random scalar value in {@code [0, l[} with {@code L} being the order of theRistretto255 group.

• cryptoCoreRistretto255ScalarReduce

   abstract BigInteger cryptoCoreRistretto255ScalarReduce(BigInteger scalar)

  Reduces a possibly larger scalar value to {@code [0, l[} with {@code L} being the orderof the Ristretto255 group.

  Parameters:

  scalar - the scalar to reduce

• cryptoCoreRistretto255ScalarReduce

   abstract BigInteger cryptoCoreRistretto255ScalarReduce(String scalarEnc)

  Reduces a possibly larger scalar value to {@code [0, l[} with {@code L} being the orderof the Ristretto255 group.

  Parameters:

  scalarEnc - the encoded scalar to reduce

• cryptoCoreRistretto255ScalarReduce

   abstract BigInteger cryptoCoreRistretto255ScalarReduce(Array<byte> scalar)

  Reduces a possibly larger scalar value to {@code [0, L[} with {@code L} being the orderof the Ristretto255 group.

  Parameters:

  scalar - the scalar to reduce, must be RISTRETTO255_NON_REDUCED_SCALAR_BYTES bytes

• cryptoCoreRistretto255ScalarInvert

   abstract BigInteger cryptoCoreRistretto255ScalarInvert(BigInteger scalar)

  Calculates the multiplicative inverse of the given scalar value.

  Parameters:

  scalar - the scalar to invert

• cryptoCoreRistretto255ScalarInvert

   abstract BigInteger cryptoCoreRistretto255ScalarInvert(String scalarEnc)

  Calculates the multiplicative inverse of the given scalar value.

  Parameters:

  scalarEnc - the encoded scalar to invert

• cryptoCoreRistretto255ScalarInvert

   abstract BigInteger cryptoCoreRistretto255ScalarInvert(Array<byte> scalar)

  Calculates the multiplicative inverse of the given scalar value.

  Parameters:

  scalar - the scalar to invert, must be RISTRETTO255_SCALAR_BYTES bytes

• cryptoCoreRistretto255ScalarNegate

   abstract BigInteger cryptoCoreRistretto255ScalarNegate(BigInteger scalar)

  Calculates the additive inverse of the given scalar value.

  Parameters:

  scalar - the scalar to negate

• cryptoCoreRistretto255ScalarNegate

   abstract BigInteger cryptoCoreRistretto255ScalarNegate(String scalarEnc)

  Calculates the additive inverse of the given scalar value.

  Parameters:

  scalarEnc - the encoded scalar to negate

• cryptoCoreRistretto255ScalarNegate

   abstract BigInteger cryptoCoreRistretto255ScalarNegate(Array<byte> scalar)

  Calculates the additive inverse of the given scalar value.

  Parameters:

  scalar - the scalar to negate, must be RISTRETTO255_SCALAR_BYTES bytes

• cryptoCoreRistretto255ScalarComplement

   abstract BigInteger cryptoCoreRistretto255ScalarComplement(BigInteger scalar)

  Calculates the result R for the given scalar value such that {@code R + scalar = 1 (mod * L)} with {@code L} being the order of the Ristretto255 group.

  Parameters:

  scalar - the scalar to complement

• cryptoCoreRistretto255ScalarComplement

   abstract BigInteger cryptoCoreRistretto255ScalarComplement(String scalarEnc)

  Calculates the result R for the given scalar value such that {@code R + scalar = 1 (mod * L)} with {@code L} being the order of the Ristretto255 group.

  Parameters:

  scalarEnc - the encoded scalar to complement

• cryptoCoreRistretto255ScalarComplement

   abstract BigInteger cryptoCoreRistretto255ScalarComplement(Array<byte> scalar)

  Calculates the result R for the given scalar value such that {@code R + scalar = 1 (mod * L)} with {@code L} being the order of the Ristretto255 group.

  Parameters:

  scalar - the scalar to complement, must be RISTRETTO255_SCALAR_BYTES bytes

• cryptoCoreRistretto255ScalarAdd

   abstract BigInteger cryptoCoreRistretto255ScalarAdd(BigInteger x, BigInteger y)

  Adds two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being the orderof the Ristretto255 group.

  Parameters:

  x - the first scalar

  y - the second scalar

• cryptoCoreRistretto255ScalarAdd

   abstract BigInteger cryptoCoreRistretto255ScalarAdd(BigInteger x, String y)

  Adds two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being the orderof the Ristretto255 group.

  Parameters:

  x - the first scalar

  y - the second scalar (encoded)

• cryptoCoreRistretto255ScalarAdd

   abstract BigInteger cryptoCoreRistretto255ScalarAdd(String x, BigInteger y)

  Adds two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being the orderof the Ristretto255 group.

  Parameters:

  x - the first scalar (encoded)

  y - the second scalar

• cryptoCoreRistretto255ScalarAdd

   abstract BigInteger cryptoCoreRistretto255ScalarAdd(String x, String y)

  Adds two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being the orderof the Ristretto255 group.

  Parameters:

  x - the first scalar (encoded)

  y - the second scalar (encoded)

• cryptoCoreRistretto255ScalarAdd

   abstract BigInteger cryptoCoreRistretto255ScalarAdd(String x, Array<byte> y)

  Adds two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being the orderof the Ristretto255 group.

  Parameters:

  x - the first scalar (encoded)

  y - the second scalar, must be RISTRETTO255_SCALAR_BYTES bytes

• cryptoCoreRistretto255ScalarAdd

   abstract BigInteger cryptoCoreRistretto255ScalarAdd(Array<byte> x, String y)

  Adds two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being the orderof the Ristretto255 group.

  Parameters:

  x - the first scalar, must be RISTRETTO255_SCALAR_BYTES bytes

  y - the second scalar (encoded)

• cryptoCoreRistretto255ScalarAdd

   abstract BigInteger cryptoCoreRistretto255ScalarAdd(BigInteger x, Array<byte> y)

  Adds two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being the orderof the Ristretto255 group.

  Parameters:

  x - the first scalar

  y - the second scalar, must be RISTRETTO255_SCALAR_BYTES bytes

• cryptoCoreRistretto255ScalarAdd

   abstract BigInteger cryptoCoreRistretto255ScalarAdd(Array<byte> x, BigInteger y)

  Adds two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being the orderof the Ristretto255 group.

  Parameters:

  x - the first scalar, must be RISTRETTO255_SCALAR_BYTES bytes

  y - the second scalar

• cryptoCoreRistretto255ScalarAdd

   abstract BigInteger cryptoCoreRistretto255ScalarAdd(Array<byte> x, Array<byte> y)

  Adds two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being the orderof the Ristretto255 group.

  Parameters:

  x - the first scalar, must be RISTRETTO255_SCALAR_BYTES bytes

  y - the second scalar, must be RISTRETTO255_SCALAR_BYTES bytes

• cryptoCoreRistretto255ScalarSub

   abstract BigInteger cryptoCoreRistretto255ScalarSub(BigInteger x, BigInteger y)

  Subtracts two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar

  y - the second scalar

• cryptoCoreRistretto255ScalarSub

   abstract BigInteger cryptoCoreRistretto255ScalarSub(BigInteger x, String y)

  Subtracts two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar

  y - the second scalar (encoded)

• cryptoCoreRistretto255ScalarSub

   abstract BigInteger cryptoCoreRistretto255ScalarSub(String x, BigInteger y)

  Subtracts two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar (encoded)

  y - the second scalar

• cryptoCoreRistretto255ScalarSub

   abstract BigInteger cryptoCoreRistretto255ScalarSub(String x, String y)

  Subtracts two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar (encoded)

  y - the second scalar (encoded)

• cryptoCoreRistretto255ScalarSub

   abstract BigInteger cryptoCoreRistretto255ScalarSub(String x, Array<byte> y)

  Subtracts two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar (encoded)

  y - the second scalar, must be RISTRETTO255_SCALAR_BYTES bytes

• cryptoCoreRistretto255ScalarSub

   abstract BigInteger cryptoCoreRistretto255ScalarSub(Array<byte> x, String y)

  Subtracts two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar, must be RISTRETTO255_SCALAR_BYTES bytes

  y - the second scalar (encoded)

• cryptoCoreRistretto255ScalarSub

   abstract BigInteger cryptoCoreRistretto255ScalarSub(BigInteger x, Array<byte> y)

  Subtracts two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar

  y - the second scalar, must be RISTRETTO255_SCALAR_BYTES bytes

• cryptoCoreRistretto255ScalarSub

   abstract BigInteger cryptoCoreRistretto255ScalarSub(Array<byte> x, BigInteger y)

  Subtracts two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar, must be RISTRETTO255_SCALAR_BYTES bytes

  y - the second scalar

• cryptoCoreRistretto255ScalarSub

   abstract BigInteger cryptoCoreRistretto255ScalarSub(Array<byte> x, Array<byte> y)

  Subtracts two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar, must be RISTRETTO255_SCALAR_BYTES bytes

  y - the second scalar, must be RISTRETTO255_SCALAR_BYTES bytes

• cryptoCoreRistretto255ScalarMul

   abstract BigInteger cryptoCoreRistretto255ScalarMul(BigInteger x, BigInteger y)

  Multiplies two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar

  y - the second scalar

• cryptoCoreRistretto255ScalarMul

   abstract BigInteger cryptoCoreRistretto255ScalarMul(BigInteger x, String y)

  Multiplies two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar

  y - the second scalar (encoded)

• cryptoCoreRistretto255ScalarMul

   abstract BigInteger cryptoCoreRistretto255ScalarMul(String x, BigInteger y)

  Multiplies two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar (encoded)

  y - the second scalar

• cryptoCoreRistretto255ScalarMul

   abstract BigInteger cryptoCoreRistretto255ScalarMul(String x, String y)

  Multiplies two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar (encoded)

  y - the second scalar (encoded)

• cryptoCoreRistretto255ScalarMul

   abstract BigInteger cryptoCoreRistretto255ScalarMul(String x, Array<byte> y)

  Multiplies two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar (encoded)

  y - the second scalar, must be RISTRETTO255_SCALAR_BYTES bytes

• cryptoCoreRistretto255ScalarMul

   abstract BigInteger cryptoCoreRistretto255ScalarMul(Array<byte> x, String y)

  Multiplies two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar, must be RISTRETTO255_SCALAR_BYTES bytes

  y - the second scalar (encoded)

• cryptoCoreRistretto255ScalarMul

   abstract BigInteger cryptoCoreRistretto255ScalarMul(BigInteger x, Array<byte> y)

  Multiplies two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar

  y - the second scalar, must be RISTRETTO255_SCALAR_BYTES bytes

• cryptoCoreRistretto255ScalarMul

   abstract BigInteger cryptoCoreRistretto255ScalarMul(Array<byte> x, BigInteger y)

  Multiplies two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar, must be RISTRETTO255_SCALAR_BYTES bytes

  y - the second scalar

• cryptoCoreRistretto255ScalarMul

   abstract BigInteger cryptoCoreRistretto255ScalarMul(Array<byte> x, Array<byte> y)

  Multiplies two scalars {@code x} and {@code y} modulo {@code L} with {@code L} being theorder of the Ristretto255 group.

  Parameters:

  x - the first scalar, must be RISTRETTO255_SCALAR_BYTES bytes

  y - the second scalar, must be RISTRETTO255_SCALAR_BYTES bytes