yaole
53 lines
1.2 KiB
Go
53 lines
1.2 KiB
Go
package outsource
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"xdx.jelly/xgcl/grand"
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"xdx.jelly/xgcl/sm/sm2"
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"xdx.jelly/xgcl/tpc/sm2/sm2m"
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)
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// 外包盲签名流程示例
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func TestOSBlindSign(t *testing.T) {
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//O、客户端生成paillier密钥
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var err error
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rnd := grand.Reader
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paiPrivKey, paiPubKey, encryptedClientKey1, _, serverKey, publicKey := osGenerateKey(t)
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e := make([]byte, 32)
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rnd.Read(e)
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clientCtx := NewClientBlindSignContext(paiPrivKey, rnd)
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// 1) client -> os
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// 2）os -> client
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osServerCtx := NewOSBlindSignContext()
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pp, err := osServerCtx.Step1(rnd) // P'
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assert.Nil(t, err)
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// 3) client -> hfserver
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ecipher, p, err := clientCtx.Step1(e, pp)
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assert.Nil(t, err)
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// 4) hfserver -> client
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rcipher, s1, s2cipher, err := sm2m.ServerBlindSign(serverKey, ecipher, p, paiPubKey, rnd)
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assert.Nil(t, err)
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// 5) clinet -> os
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s1p, s2p, err := clientCtx.Step2(rcipher, s1, s2cipher)
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assert.Nil(t, err)
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// 6) 外包服务器解析data并计算c,把c发送给客户端
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w, err := osServerCtx.Step2(s1p, s2p, encryptedClientKey1, paiPubKey)
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assert.Nil(t, err)
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// 7) 客户端计算签名值
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sig, err := clientCtx.Step3(w)
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assert.Nil(t, err)
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// 8) 客户端验证签名
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assert.True(t, sm2.Verify(e, publicKey, sig))
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}
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