yaole
24 lines
598 B
Go
24 lines
598 B
Go
//go:build amd64 || arm64
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// +build amd64 arm64
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package sm4
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import "crypto/cipher"
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/*TODO use aesni to improve performance */
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type sm4CipherGCM struct {
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sm4CipherAsm
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}
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// NewGCM returns the SM4 cipher wrapped in Galois Counter Mode. This is only
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// called by crypto/cipher.NewGCM via the gcmAble interface.
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//
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// 调用crypto/cipher.NewGCM的时候在回调sm4CipherGCM.NewGCM
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func (c *sm4CipherGCM) NewGCM(nonceSize, tagSize int) (cipher.AEAD, error) {
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// TODO 判断size，先返回错误
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// 现在是默认实现-sm4CipherAsm没有gcmAble接口
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return cipher.NewGCM(&c.sm4CipherAsm)
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}
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