完善 bign

cryptobin/bign/bign.go

@@ -0,0 +1,84 @@
+package bign
+
+import (
+    "hash"
+    "crypto/elliptic"
+
+    "github.com/deatil/go-cryptobin/hash/belt"
+    "github.com/deatil/go-cryptobin/pubkey/bign"
+    ecbign "github.com/deatil/go-cryptobin/elliptic/bign"
+)
+
+type (
+    // HashFunc
+    HashFunc = func() hash.Hash
+)
+
+// marshal data type
+type EncodingType uint
+
+const (
+    EncodingASN1 EncodingType = 1 + iota
+    EncodingBytes
+)
+
+/**
+ * Bign
+ *
+ * @create 2024-10-29
+ * @author deatil
+ */
+type Bign struct {
+    // 私钥
+    privateKey *bign.PrivateKey
+
+    // 公钥
+    publicKey *bign.PublicKey
+
+    // 生成类型
+    curve elliptic.Curve
+
+    // 签名验证类型
+    signHash HashFunc
+
+    // 数据编码方式
+    encoding EncodingType
+
+    // [私钥/公钥]数据
+    keyData []byte
+
+    // 传入数据
+    data []byte
+
+    // 传入 adata 数据
+    adata []byte
+
+    // 解析后的数据
+    parsedData []byte
+
+    // 验证结果
+    verify bool
+
+    // 错误
+    Errors []error
+}
+
+// 构造函数
+func NewBign() Bign {
+    return Bign{
+        curve:    ecbign.P256v1(),
+        signHash: belt.New,
+        verify:   false,
+        Errors:   make([]error, 0),
+    }
+}
+
+// 构造函数
+func New() Bign {
+    return NewBign()
+}
+
+var (
+    // 默认
+    defaultBign = NewBign()
+)