48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
package crypto
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import (
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"bytes"
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"strings"
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)
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// ParsePublicKey parse raw public key to pem formation
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func ParsePublicKey(raw string) (result []byte) {
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return parseKey(raw, "-----BEGIN PUBLIC KEY-----", "-----END PUBLIC KEY-----")
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}
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// ParsePrivateKey parse raw priv key to pem formation
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func ParsePrivateKey(raw string) (result []byte) {
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return parseKey(raw, "-----BEGIN RSA PRIVATE KEY-----", "-----END RSA PRIVATE KEY-----")
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}
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func parseKey(raw, prefix, suffix string) (result []byte) {
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raw = strings.Replace(raw, prefix, "", 1)
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raw = strings.Replace(raw, suffix, "", 1)
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raw = strings.Replace(raw, " ", "", -1)
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raw = strings.Replace(raw, "\n", "", -1)
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raw = strings.Replace(raw, "\r", "", -1)
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raw = strings.Replace(raw, "\t", "", -1)
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var ll = 64
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var sl = len(raw)
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var c = sl / ll
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if sl%ll > 0 {
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c = c + 1
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}
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var buf bytes.Buffer
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buf.WriteString(prefix + "\n")
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for i := 0; i < c; i++ {
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var b = i * ll
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var e = b + ll
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if e > sl {
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buf.WriteString(raw[b:])
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} else {
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buf.WriteString(raw[b:e])
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}
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buf.WriteString("\n")
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}
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buf.WriteString(suffix)
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return buf.Bytes()
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}
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