Golang crypto/x509.ParseCertificates function example

package crypto/x509

ParseCertificates parses one or more certificates from the given ASN.1 DER data. The certificates must be concatenated with no intermediate padding.

Golang crypto/x509.ParseCertificates function usage example

 package main

 import (
 "crypto/x509"
 "os"
 "fmt"
 "encoding/hex"
 )

 func main() {

 asn1Data := "308203223082028ba00302010202106edf0d9499fd4533dd1297fc42a93be1300d06092a864886" +
 "f70d0101050500304c310b3009060355040613025a4131253023060355040a131c546861777465" +
 "20436f6e73756c74696e67202850747929204c74642e311630140603550403130d546861777465" +
 "20534743204341301e170d3039303332353136343932395a170d3130303332353136343932395a" +
 "3069310b3009060355040613025553311330110603550408130a43616c69666f726e6961311630" +
 "140603550407130d4d6f756e7461696e205669657731133011060355040a130a476f6f676c6520" +
 "496e63311830160603550403130f6d61696c2e676f6f676c652e636f6d30819f300d06092a8648" +
 "86f70d010101050003818d0030818902818100c5d6f892fccaf5614b064149e80a2c9581a218ef" +
 "41ec35bd7a58125ae76f9ea54ddc893abbeb029f6b73616bf0ffd868791fba7af9c4aebf3706ba" +
 "3eeaeed27435b4ddcfb157c05f351d66aa87fee0de072d66d773affbd36ab78bef090e0cc861a9" +
 "03ac90dd98b51c9c41566c017f0beec3bff391051ffba0f5cc6850ad2a590203010001a381e730" +
 "81e430280603551d250421301f06082b0601050507030106082b06010505070302060960864801" +
 "86f842040130360603551d1f042f302d302ba029a0278625687474703a2f2f63726c2e74686177" +
 "74652e636f6d2f54686177746553474343412e63726c307206082b060105050701010466306430" +
 "2206082b060105050730018616687474703a2f2f6f6373702e7468617774652e636f6d303e0608" +
 "2b060105050730028632687474703a2f2f7777772e7468617774652e636f6d2f7265706f736974" +
 "6f72792f5468617774655f5347435f43412e637274300c0603551d130101ff04023000300d0609" +
 "2a864886f70d01010505000381810062f1f3050ebc105e497c7aedf87e24d2f4a986bb3b837bd1" +
 "9b91ebcad98b065992f6bd2b49b7d6d3cb2e427a99d606c7b1d46352527fac39e6a8b6726de5bf" +
 "70212a52cba07634a5e332011bd1868e78eb5e3c93cf03072276786f207494feaa0ed9d53b2110" +
 "a76571f90209cdae884385c882587030ee15f33d761e2e45a6bc308203233082028ca003020102" +
 "020430000002300d06092a864886f70d0101050500305f310b3009060355040613025553311730" +
 "15060355040a130e566572695369676e2c20496e632e31373035060355040b132e436c61737320" +
 "33205075626c6963205072696d6172792043657274696669636174696f6e20417574686f726974" +
 "79301e170d3034303531333030303030305a170d3134303531323233353935395a304c310b3009" +
 "060355040613025a4131253023060355040a131c54686177746520436f6e73756c74696e672028" +
 "50747929204c74642e311630140603550403130d5468617774652053474320434130819f300d06" +
 "092a864886f70d010101050003818d0030818902818100d4d367d08d157faecd31fe7d1d91a13f" +
 "0b713cacccc864fb63fc324b0794bd6f80ba2fe10493c033fc093323e90b742b71c403c6d2cde2" +
 "2ff50963cdff48a500bfe0e7f388b72d32de9836e60aad007bc4644a3b847503f270927d0e62f5" +
 "21ab693684317590f8bfc76c881b06957cc9e5a8de75a12c7a68dfd5ca1c875860190203010001" +
 "a381fe3081fb30120603551d130101ff040830060101ff020100300b0603551d0f040403020106" +
 "301106096086480186f842010104040302010630280603551d110421301fa41d301b3119301706" +
 "035504031310507269766174654c6162656c332d313530310603551d1f042a30283026a024a022" +
 "8620687474703a2f2f63726c2e766572697369676e2e636f6d2f706361332e63726c303206082b" +
 "0601050507010104263024302206082b060105050730018616687474703a2f2f6f6373702e7468" +
 "617774652e636f6d30340603551d25042d302b06082b0601050507030106082b06010505070302" +
 "06096086480186f8420401060a6086480186f845010801300d06092a864886f70d010105050003" +
 "81810055ac63eadea1ddd2905f9f0bce76be13518f93d9052bc81b774bad6950a1eededcfddb07" +
 "e9e83994dcab72792f06bfab8170c4a8edea5334edef1e53d906c7562bd15cf4d18a8eb42bb137" +
 "9048084225c53e8acb7feb6f04d16dc574a2f7a27c7b603c77cd0ece48027f012fb69b37e02a2a" +
 "36dcd585d6ace53f546f961e05af"

 asn1str, err := hex.DecodeString(asn1Data)

 if err != nil {
 fmt.Println(err)
 os.Exit(1)
 }

 certs, err := x509.ParseCertificates(asn1str)

 if err != nil {
 fmt.Println(err)
 os.Exit(1)
 }

 for _, cert := range certs {
 fmt.Printf("%v\n", cert)
 }

 }

Reference :

http://golang.org/pkg/crypto/x509/#ParseCertificates