object DERSignatureUtil extends DERSignatureUtil

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  1. final def !=(arg0: Any): Boolean
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  2. final def ##: Int
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  5. def clone(): AnyRef
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  6. def decodeSignature(bytes: ByteVector): (BigInt, BigInt)

    Decodes the given sequence of bytes into it's r and s points throws an exception if the given sequence of bytes is not a DER encoded signature

    Decodes the given sequence of bytes into it's r and s points throws an exception if the given sequence of bytes is not a DER encoded signature

    Definition Classes
    DERSignatureUtil
  7. def decodeSignature(signature: ECDigitalSignature): (BigInt, BigInt)

    Decodes the given digital signature into it's r and s points

    Decodes the given digital signature into it's r and s points

    Definition Classes
    DERSignatureUtil
  8. final def eq(arg0: AnyRef): Boolean
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  9. def equals(arg0: AnyRef): Boolean
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  10. def finalize(): Unit
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  11. final def getClass(): Class[_ <: AnyRef]
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  12. def hashCode(): Int
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  13. def isDEREncoded(bytes: ByteVector): Boolean

    Checks if the bytes are encoded to DER correctly https://crypto.stackexchange.com/questions/1795/how-can-i-convert-a-der-ecdsa-signature-to-asn-1 This will fail if this signature contains the hash type appended to the end of it

    Checks if the bytes are encoded to DER correctly https://crypto.stackexchange.com/questions/1795/how-can-i-convert-a-der-ecdsa-signature-to-asn-1 This will fail if this signature contains the hash type appended to the end of it

    returns

    boolean representing if the signature is a valid

    Definition Classes
    DERSignatureUtil
  14. def isDEREncoded(signature: ECDigitalSignature): Boolean

    Checks if this signature is encoded to DER correctly https://crypto.stackexchange.com/questions/1795/how-can-i-convert-a-der-ecdsa-signature-to-asn-1 NOTE: This will fail if this signature contains the hash type appended to the end of it

    Checks if this signature is encoded to DER correctly https://crypto.stackexchange.com/questions/1795/how-can-i-convert-a-der-ecdsa-signature-to-asn-1 NOTE: This will fail if this signature contains the hash type appended to the end of it

    returns

    boolean representing if the signature is a valid

    Definition Classes
    DERSignatureUtil
  15. final def isInstanceOf[T0]: Boolean
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  16. def isLowS(signature: ByteVector): Boolean

    Requires the S value in signatures to be the low version of the S value https://github.com/bitcoin/bips/blob/master/bip-0062.mediawiki#low-s-values-in-signatures

    Requires the S value in signatures to be the low version of the S value https://github.com/bitcoin/bips/blob/master/bip-0062.mediawiki#low-s-values-in-signatures

    returns

    if the S value is the low version

    Definition Classes
    DERSignatureUtil
  17. def isLowS(signature: ECDigitalSignature): Boolean

    Requires the S value in signatures to be the low version of the S value https://github.com/bitcoin/bips/blob/master/bip-0062.mediawiki#low-s-values-in-signatures

    Requires the S value in signatures to be the low version of the S value https://github.com/bitcoin/bips/blob/master/bip-0062.mediawiki#low-s-values-in-signatures

    returns

    if the S value is the low version

    Definition Classes
    DERSignatureUtil
  18. def isValidSignatureEncoding(bytes: ByteVector): Boolean

    This functions implements the strict der encoding rules that were created in BIP66 https://github.com/bitcoin/bips/blob/master/bip-0066.mediawiki https://github.com/bitcoin/bitcoin/blob/master/src/script/interpreter.cpp#L98

    This functions implements the strict der encoding rules that were created in BIP66 https://github.com/bitcoin/bips/blob/master/bip-0066.mediawiki https://github.com/bitcoin/bitcoin/blob/master/src/script/interpreter.cpp#L98

    IMPORTANT: This function assumes bytes has a SigHash byte and will fail if not!

    bytes

    the bytes to check if they are strictly der encoded

    returns

    boolean indicating whether the bytes were der encoded or not

    Definition Classes
    DERSignatureUtil
  19. def isValidSignatureEncoding(signature: ECDigitalSignature): Boolean

    This functions implements the strict der encoding rules that were created in BIP66 https://github.com/bitcoin/bips/blob/master/bip-0066.mediawiki https://github.com/bitcoin/bitcoin/blob/master/src/script/interpreter.cpp#L98

    This functions implements the strict der encoding rules that were created in BIP66 https://github.com/bitcoin/bips/blob/master/bip-0066.mediawiki https://github.com/bitcoin/bitcoin/blob/master/src/script/interpreter.cpp#L98

    IMPORTANT: This function assumes signature has a SigHash byte and will fail if not!

    signature

    the signature to check if they are strictly der encoded

    returns

    boolean indicating whether the signature was der encoded or not

    Definition Classes
    DERSignatureUtil
  20. def lowS(signature: ECDigitalSignature): ECDigitalSignature

    Checks if the given digital signature uses a low s value, if it does not it converts it to a low s value and returns it

    Checks if the given digital signature uses a low s value, if it does not it converts it to a low s value and returns it

    Definition Classes
    DERSignatureUtil
  21. final def ne(arg0: AnyRef): Boolean
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  22. final def notify(): Unit
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  23. final def notifyAll(): Unit
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  24. def parseDERLax(input: ByteVector): Option[(BigInt, BigInt)]

    Scala implementation of https://github.com/bitcoin/bitcoin/blob/master/src/pubkey.cpp#L16-L165

    Scala implementation of https://github.com/bitcoin/bitcoin/blob/master/src/pubkey.cpp#L16-L165

    Parses correctly as well as poorly encoded DER signatures.

    "Supported violations include negative integers, excessive padding, garbage at the end, and overly long length descriptors."

    The signatures must still follow the following general format:

    0x30 | total length | 0x02 | R length | [R] \ 0x02 | S length | [S]

    IMPORTANT: Do not use this without further validation when validating blocks because BIP 66 requires that new signatures are verified to be strict DER encodings.

    Definition Classes
    DERSignatureUtil
  25. final def synchronized[T0](arg0: => T0): T0
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  26. def toString(): String
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  27. final def wait(): Unit
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  28. final def wait(arg0: Long, arg1: Int): Unit
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  29. final def wait(arg0: Long): Unit
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Inherited from DERSignatureUtil

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