Created
April 1, 2016 06:57
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use publib key to verify in golang
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package main | |
import ( | |
"crypto" | |
"crypto/rsa" | |
"crypto/sha1" | |
"crypto/x509" | |
"encoding/base64" | |
"fmt" | |
) | |
func main() { | |
k := `MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDXX/MsKEBLcLeKA1d/i7ufG1qsqS97xFkIRSeX3TwmHic843AfVrzoh2pZUeOvK9ZLZQpHSM7DoHMYDGD1273+FvZXYpf5LiFtecfxko/Cku16zy6WAeCYVFjjlveBhwPmPCIk+qDRYeiIW05QE2XK+CuDnJ7sxxXIJSSgD3Jo5wIDAQAB` | |
key, _ := base64.StdEncoding.DecodeString(k) | |
re, err := x509.ParsePKIXPublicKey(key) | |
pub := re.(*rsa.PublicKey) | |
if err != nil { | |
fmt.Println(err) | |
return | |
} | |
text := []byte("12999763169054705758.1350895718127996") | |
sig := "e9PE8gfsX9WJQNTojeOJVFAOUbWbAxKZ6LxP8B200HithDFA9dc8FMMny5F4Lv7Kear2juuKTcvqFFqUvu0Yyk2R5g7wlDqXjePvi4YRH2b4FyA876OiNGVFQOaV8ErRtoX1uW8XaZM+tk0zYdsdYOC+UZOsqGC/zUfufJ02/Fe9vfFKWFAwnu4A5n0BM7hPv9fl+E+aQc9KJzdUjMPHHhe3pIkJLwahnCdrt3y+cKwuNMrKwb5NbaI3CWHDr6rWVKnG1PbkT98Z7alVL48kclo0RcV8VUvEtj2qm+6Lbcy0eEEfPNkzwIVg70bHTZ0GWhVYVBEVlt3vny66emKPpw==" | |
h := sha1.New() | |
h.Write(text) | |
digest := h.Sum(nil) | |
ds, _ := base64.StdEncoding.DecodeString(sig) | |
err = rsa.VerifyPKCS1v15(pub, crypto.SHA1, digest, ds) | |
fmt.Println("verify:", err) | |
} |
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