コンストラクタ | 説明 |
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BigIntegerLittleEndianEncoding() |
修飾子とタイプ | メソッド | 説明 |
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FieldElement |
decode(byte[] in) |
Decode a FieldElement from its (b-1)-bit encoding.
|
byte[] |
encode(java.math.BigInteger x) |
Convert x to little endian.
|
byte[] |
encode(FieldElement x) |
Encode a FieldElement in its (b-1)-bit encoding.
|
boolean |
isNegative(FieldElement x) |
From the Ed25519 paper:
x is negative if the (b-1)-bit encoding of x is lexicographically larger than the (b-1)-bit encoding of -x. |
void |
setField(Field f) |
|
java.math.BigInteger |
toBigInteger(byte[] in) |
Convert in to big endian
|
public byte[] encode(FieldElement x)
Encoding
public byte[] encode(java.math.BigInteger x)
java.lang.IllegalStateException
- if field not setpublic FieldElement decode(byte[] in)
public java.math.BigInteger toBigInteger(byte[] in)
public boolean isNegative(FieldElement x)
isNegative
クラス内 Encoding