Object

sigmastate.serialization

GroupElementSerializer

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object GroupElementSerializer extends SigmaSerializer[EcPointType, EcPointType]

A serializer which encodes group elements, so elliptic curve points in our case, to bytes, and decodes points from bytes. Every point is encoded in compressed form (so only X coordinate and sign of Y are stored). Thus for secp256k1 point, 33 bytes are needed. The first bytes is whether equals 2 or 3 depending on the sign of Y coordinate(==2 is Y is positive, ==3, if Y is negative). Other 32 bytes are containing the X coordinate. Special case is infinity point, which is encoded by 33 zeroes. Thus elliptic curve point is always encoded with 33 bytes.

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  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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  6. final def eq(arg0: AnyRef): Boolean

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  7. def equals(arg0: Any): Boolean

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  8. def error(msg: String): Nothing

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    SigmaSerializer
  9. def finalize(): Unit

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  10. final def fromBytes(bytes: Array[Byte]): EcPointType

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    SigmaSerializer
  11. final def getClass(): Class[_]

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  12. def hashCode(): Int

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  13. final def isInstanceOf[T0]: Boolean

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  14. final def ne(arg0: AnyRef): Boolean

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  15. final def notify(): Unit

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  16. final def notifyAll(): Unit

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  17. def parse(bytes: Array[Byte]): EcPointType

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  18. def parse(r: SigmaByteReader): EcPointType

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    Definition Classes
    GroupElementSerializer → Serializer
  19. def parseTry(r: SigmaByteReader): Try[EcPointType]

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    Definition Classes
    Serializer
  20. def parseWithGenericReader(r: Reader)(implicit vs: SigmaValidationSettings): EcPointType

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    Wraps the given reader in SigmaByteReader and delegates to parse.

    Wraps the given reader in SigmaByteReader and delegates to parse. NOTE: it is used in spam tests.

    Definition Classes
    SigmaSerializer
  21. def serialize(point: EcPointType, w: SigmaByteWriter): Unit

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    GroupElementSerializer → Serializer
  22. def serializeWithGenericWriter(obj: EcPointType, w: Writer): Unit

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    Wraps the given writer in SigmaByteWriter and delegates to serialize.

    Wraps the given writer in SigmaByteWriter and delegates to serialize. NOTE: it is used in spam tests.

    Definition Classes
    SigmaSerializer
  23. final def synchronized[T0](arg0: ⇒ T0): T0

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  24. final def toBytes(obj: EcPointType): Array[Byte]

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    SigmaSerializer
  25. def toString(): String

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  26. final def wait(): Unit

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  27. final def wait(arg0: Long, arg1: Int): Unit

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  28. final def wait(arg0: Long): Unit

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Inherited from Serializer[EcPointType, EcPointType, SigmaByteReader, SigmaByteWriter]

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