41 lines
814 B
Go
41 lines
814 B
Go
package securityUtil
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import (
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"crypto/sha256"
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"errors"
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"fmt"
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)
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// 对字符串进行SHA256加密，并且可以选择返回大、小写
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// s:输入字符串
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// ifUpper:输出是否大写
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// 返回值：sha256加密后的十六进制字符串
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func Sha256String(s string, ifUpper bool) string {
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if len(s) == 0 {
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panic(errors.New("input string can't be empty"))
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}
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buf := Sha256Bytes([]byte(s))
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if ifUpper {
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return fmt.Sprintf("%X", buf)
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} else {
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return fmt.Sprintf("%x", buf)
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}
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}
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// 对字符数组进行SHA256加密
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// b:输入字符数组
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// 返回值：sha256加密后的原数据
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func Sha256Bytes(b []byte) []byte {
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if len(b) == 0 {
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panic(errors.New("input []byte can't be empty"))
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}
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sha1Instance := sha256.New()
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sha1Instance.Write(b)
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result := sha1Instance.Sum(nil)
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return result
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}
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