diff options
Diffstat (limited to 'src/encoding/pem')
| -rw-r--r-- | src/encoding/pem/example_test.go | 65 | ||||
| -rw-r--r-- | src/encoding/pem/pem.go | 340 | ||||
| -rw-r--r-- | src/encoding/pem/pem_test.go | 614 |
3 files changed, 1019 insertions, 0 deletions
diff --git a/src/encoding/pem/example_test.go b/src/encoding/pem/example_test.go new file mode 100644 index 0000000..806e7bb --- /dev/null +++ b/src/encoding/pem/example_test.go @@ -0,0 +1,65 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package pem_test + +import ( + "crypto/x509" + "encoding/pem" + "fmt" + "log" + "os" +) + +func ExampleDecode() { + var pubPEMData = []byte(` +-----BEGIN PUBLIC KEY----- +MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAlRuRnThUjU8/prwYxbty +WPT9pURI3lbsKMiB6Fn/VHOKE13p4D8xgOCADpdRagdT6n4etr9atzDKUSvpMtR3 +CP5noNc97WiNCggBjVWhs7szEe8ugyqF23XwpHQ6uV1LKH50m92MbOWfCtjU9p/x +qhNpQQ1AZhqNy5Gevap5k8XzRmjSldNAFZMY7Yv3Gi+nyCwGwpVtBUwhuLzgNFK/ +yDtw2WcWmUU7NuC8Q6MWvPebxVtCfVp/iQU6q60yyt6aGOBkhAX0LpKAEhKidixY +nP9PNVBvxgu3XZ4P36gZV6+ummKdBVnc3NqwBLu5+CcdRdusmHPHd5pHf4/38Z3/ +6qU2a/fPvWzceVTEgZ47QjFMTCTmCwNt29cvi7zZeQzjtwQgn4ipN9NibRH/Ax/q +TbIzHfrJ1xa2RteWSdFjwtxi9C20HUkjXSeI4YlzQMH0fPX6KCE7aVePTOnB69I/ +a9/q96DiXZajwlpq3wFctrs1oXqBp5DVrCIj8hU2wNgB7LtQ1mCtsYz//heai0K9 +PhE4X6hiE0YmeAZjR0uHl8M/5aW9xCoJ72+12kKpWAa0SFRWLy6FejNYCYpkupVJ +yecLk/4L1W0l6jQQZnWErXZYe0PNFcmwGXy1Rep83kfBRNKRy5tvocalLlwXLdUk +AIU+2GKjyT3iMuzZxxFxPFMCAwEAAQ== +-----END PUBLIC KEY----- +and some more`) + + block, rest := pem.Decode(pubPEMData) + if block == nil || block.Type != "PUBLIC KEY" { + log.Fatal("failed to decode PEM block containing public key") + } + + pub, err := x509.ParsePKIXPublicKey(block.Bytes) + if err != nil { + log.Fatal(err) + } + + fmt.Printf("Got a %T, with remaining data: %q", pub, rest) + // Output: Got a *rsa.PublicKey, with remaining data: "and some more" +} + +func ExampleEncode() { + block := &pem.Block{ + Type: "MESSAGE", + Headers: map[string]string{ + "Animal": "Gopher", + }, + Bytes: []byte("test"), + } + + if err := pem.Encode(os.Stdout, block); err != nil { + log.Fatal(err) + } + // Output: + // -----BEGIN MESSAGE----- + // Animal: Gopher + // + // dGVzdA== + // -----END MESSAGE----- +} diff --git a/src/encoding/pem/pem.go b/src/encoding/pem/pem.go new file mode 100644 index 0000000..a7272da --- /dev/null +++ b/src/encoding/pem/pem.go @@ -0,0 +1,340 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package pem implements the PEM data encoding, which originated in Privacy +// Enhanced Mail. The most common use of PEM encoding today is in TLS keys and +// certificates. See RFC 1421. +package pem + +import ( + "bytes" + "encoding/base64" + "errors" + "io" + "sort" + "strings" +) + +// A Block represents a PEM encoded structure. +// +// The encoded form is: +// -----BEGIN Type----- +// Headers +// base64-encoded Bytes +// -----END Type----- +// where Headers is a possibly empty sequence of Key: Value lines. +type Block struct { + Type string // The type, taken from the preamble (i.e. "RSA PRIVATE KEY"). + Headers map[string]string // Optional headers. + Bytes []byte // The decoded bytes of the contents. Typically a DER encoded ASN.1 structure. +} + +// getLine results the first \r\n or \n delineated line from the given byte +// array. The line does not include trailing whitespace or the trailing new +// line bytes. The remainder of the byte array (also not including the new line +// bytes) is also returned and this will always be smaller than the original +// argument. +func getLine(data []byte) (line, rest []byte) { + i := bytes.IndexByte(data, '\n') + var j int + if i < 0 { + i = len(data) + j = i + } else { + j = i + 1 + if i > 0 && data[i-1] == '\r' { + i-- + } + } + return bytes.TrimRight(data[0:i], " \t"), data[j:] +} + +// removeSpacesAndTabs returns a copy of its input with all spaces and tabs +// removed, if there were any. Otherwise, the input is returned unchanged. +// +// The base64 decoder already skips newline characters, so we don't need to +// filter them out here. +func removeSpacesAndTabs(data []byte) []byte { + if !bytes.ContainsAny(data, " \t") { + // Fast path; most base64 data within PEM contains newlines, but + // no spaces nor tabs. Skip the extra alloc and work. + return data + } + result := make([]byte, len(data)) + n := 0 + + for _, b := range data { + if b == ' ' || b == '\t' { + continue + } + result[n] = b + n++ + } + + return result[0:n] +} + +var pemStart = []byte("\n-----BEGIN ") +var pemEnd = []byte("\n-----END ") +var pemEndOfLine = []byte("-----") + +// Decode will find the next PEM formatted block (certificate, private key +// etc) in the input. It returns that block and the remainder of the input. If +// no PEM data is found, p is nil and the whole of the input is returned in +// rest. +func Decode(data []byte) (p *Block, rest []byte) { + // pemStart begins with a newline. However, at the very beginning of + // the byte array, we'll accept the start string without it. + rest = data + if bytes.HasPrefix(data, pemStart[1:]) { + rest = rest[len(pemStart)-1 : len(data)] + } else if i := bytes.Index(data, pemStart); i >= 0 { + rest = rest[i+len(pemStart) : len(data)] + } else { + return nil, data + } + + typeLine, rest := getLine(rest) + if !bytes.HasSuffix(typeLine, pemEndOfLine) { + return decodeError(data, rest) + } + typeLine = typeLine[0 : len(typeLine)-len(pemEndOfLine)] + + p = &Block{ + Headers: make(map[string]string), + Type: string(typeLine), + } + + for { + // This loop terminates because getLine's second result is + // always smaller than its argument. + if len(rest) == 0 { + return nil, data + } + line, next := getLine(rest) + + i := bytes.IndexByte(line, ':') + if i == -1 { + break + } + + // TODO(agl): need to cope with values that spread across lines. + key, val := line[:i], line[i+1:] + key = bytes.TrimSpace(key) + val = bytes.TrimSpace(val) + p.Headers[string(key)] = string(val) + rest = next + } + + var endIndex, endTrailerIndex int + + // If there were no headers, the END line might occur + // immediately, without a leading newline. + if len(p.Headers) == 0 && bytes.HasPrefix(rest, pemEnd[1:]) { + endIndex = 0 + endTrailerIndex = len(pemEnd) - 1 + } else { + endIndex = bytes.Index(rest, pemEnd) + endTrailerIndex = endIndex + len(pemEnd) + } + + if endIndex < 0 { + return decodeError(data, rest) + } + + // After the "-----" of the ending line, there should be the same type + // and then a final five dashes. + endTrailer := rest[endTrailerIndex:] + endTrailerLen := len(typeLine) + len(pemEndOfLine) + if len(endTrailer) < endTrailerLen { + return decodeError(data, rest) + } + + restOfEndLine := endTrailer[endTrailerLen:] + endTrailer = endTrailer[:endTrailerLen] + if !bytes.HasPrefix(endTrailer, typeLine) || + !bytes.HasSuffix(endTrailer, pemEndOfLine) { + return decodeError(data, rest) + } + + // The line must end with only whitespace. + if s, _ := getLine(restOfEndLine); len(s) != 0 { + return decodeError(data, rest) + } + + base64Data := removeSpacesAndTabs(rest[:endIndex]) + p.Bytes = make([]byte, base64.StdEncoding.DecodedLen(len(base64Data))) + n, err := base64.StdEncoding.Decode(p.Bytes, base64Data) + if err != nil { + return decodeError(data, rest) + } + p.Bytes = p.Bytes[:n] + + // the -1 is because we might have only matched pemEnd without the + // leading newline if the PEM block was empty. + _, rest = getLine(rest[endIndex+len(pemEnd)-1:]) + + return +} + +func decodeError(data, rest []byte) (*Block, []byte) { + // If we get here then we have rejected a likely looking, but + // ultimately invalid PEM block. We need to start over from a new + // position. We have consumed the preamble line and will have consumed + // any lines which could be header lines. However, a valid preamble + // line is not a valid header line, therefore we cannot have consumed + // the preamble line for the any subsequent block. Thus, we will always + // find any valid block, no matter what bytes precede it. + // + // For example, if the input is + // + // -----BEGIN MALFORMED BLOCK----- + // junk that may look like header lines + // or data lines, but no END line + // + // -----BEGIN ACTUAL BLOCK----- + // realdata + // -----END ACTUAL BLOCK----- + // + // we've failed to parse using the first BEGIN line + // and now will try again, using the second BEGIN line. + p, rest := Decode(rest) + if p == nil { + rest = data + } + return p, rest +} + +const pemLineLength = 64 + +type lineBreaker struct { + line [pemLineLength]byte + used int + out io.Writer +} + +var nl = []byte{'\n'} + +func (l *lineBreaker) Write(b []byte) (n int, err error) { + if l.used+len(b) < pemLineLength { + copy(l.line[l.used:], b) + l.used += len(b) + return len(b), nil + } + + n, err = l.out.Write(l.line[0:l.used]) + if err != nil { + return + } + excess := pemLineLength - l.used + l.used = 0 + + n, err = l.out.Write(b[0:excess]) + if err != nil { + return + } + + n, err = l.out.Write(nl) + if err != nil { + return + } + + return l.Write(b[excess:]) +} + +func (l *lineBreaker) Close() (err error) { + if l.used > 0 { + _, err = l.out.Write(l.line[0:l.used]) + if err != nil { + return + } + _, err = l.out.Write(nl) + } + + return +} + +func writeHeader(out io.Writer, k, v string) error { + _, err := out.Write([]byte(k + ": " + v + "\n")) + return err +} + +// Encode writes the PEM encoding of b to out. +func Encode(out io.Writer, b *Block) error { + // Check for invalid block before writing any output. + for k := range b.Headers { + if strings.Contains(k, ":") { + return errors.New("pem: cannot encode a header key that contains a colon") + } + } + + // All errors below are relayed from underlying io.Writer, + // so it is now safe to write data. + + if _, err := out.Write(pemStart[1:]); err != nil { + return err + } + if _, err := out.Write([]byte(b.Type + "-----\n")); err != nil { + return err + } + + if len(b.Headers) > 0 { + const procType = "Proc-Type" + h := make([]string, 0, len(b.Headers)) + hasProcType := false + for k := range b.Headers { + if k == procType { + hasProcType = true + continue + } + h = append(h, k) + } + // The Proc-Type header must be written first. + // See RFC 1421, section 4.6.1.1 + if hasProcType { + if err := writeHeader(out, procType, b.Headers[procType]); err != nil { + return err + } + } + // For consistency of output, write other headers sorted by key. + sort.Strings(h) + for _, k := range h { + if err := writeHeader(out, k, b.Headers[k]); err != nil { + return err + } + } + if _, err := out.Write(nl); err != nil { + return err + } + } + + var breaker lineBreaker + breaker.out = out + + b64 := base64.NewEncoder(base64.StdEncoding, &breaker) + if _, err := b64.Write(b.Bytes); err != nil { + return err + } + b64.Close() + breaker.Close() + + if _, err := out.Write(pemEnd[1:]); err != nil { + return err + } + _, err := out.Write([]byte(b.Type + "-----\n")) + return err +} + +// EncodeToMemory returns the PEM encoding of b. +// +// If b has invalid headers and cannot be encoded, +// EncodeToMemory returns nil. If it is important to +// report details about this error case, use Encode instead. +func EncodeToMemory(b *Block) []byte { + var buf bytes.Buffer + if err := Encode(&buf, b); err != nil { + return nil + } + return buf.Bytes() +} diff --git a/src/encoding/pem/pem_test.go b/src/encoding/pem/pem_test.go new file mode 100644 index 0000000..b2b6b15 --- /dev/null +++ b/src/encoding/pem/pem_test.go @@ -0,0 +1,614 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package pem + +import ( + "bytes" + "io" + "reflect" + "strings" + "testing" + "testing/quick" +) + +type GetLineTest struct { + in, out1, out2 string +} + +var getLineTests = []GetLineTest{ + {"abc", "abc", ""}, + {"abc\r", "abc\r", ""}, + {"abc\n", "abc", ""}, + {"abc\r\n", "abc", ""}, + {"abc\nd", "abc", "d"}, + {"abc\r\nd", "abc", "d"}, + {"\nabc", "", "abc"}, + {"\r\nabc", "", "abc"}, + {"abc\t \nd", "abc", "d"}, + {"\t abc\nd", "\t abc", "d"}, + {"abc\n\t d", "abc", "\t d"}, + {"abc\nd\t ", "abc", "d\t "}, +} + +func TestGetLine(t *testing.T) { + for i, test := range getLineTests { + x, y := getLine([]byte(test.in)) + if string(x) != test.out1 || string(y) != test.out2 { + t.Errorf("#%d got:%+v,%+v want:%s,%s", i, x, y, test.out1, test.out2) + } + } +} + +func TestDecode(t *testing.T) { + result, remainder := Decode([]byte(pemData)) + if !reflect.DeepEqual(result, certificate) { + t.Errorf("#0 got:%#v want:%#v", result, certificate) + } + result, remainder = Decode(remainder) + if !reflect.DeepEqual(result, privateKey) { + t.Errorf("#1 got:%#v want:%#v", result, privateKey) + } + + isEmpty := func(block *Block) bool { + return block != nil && block.Type == "EMPTY" && len(block.Headers) == 0 && len(block.Bytes) == 0 + } + result, remainder = Decode(remainder) + if !isEmpty(result) { + t.Errorf("#2 should be empty but got:%#v", result) + } + result, remainder = Decode(remainder) + if !isEmpty(result) { + t.Errorf("#3 should be empty but got:%#v", result) + } + result, remainder = Decode(remainder) + if !isEmpty(result) { + t.Errorf("#4 should be empty but got:%#v", result) + } + + result, remainder = Decode(remainder) + if result == nil || result.Type != "HEADERS" || len(result.Headers) != 1 { + t.Errorf("#5 expected single header block but got :%v", result) + } + + if len(remainder) != 0 { + t.Errorf("expected nothing remaining of pemData, but found %s", string(remainder)) + } + + result, _ = Decode([]byte(pemPrivateKey2)) + if !reflect.DeepEqual(result, privateKey2) { + t.Errorf("#2 got:%#v want:%#v", result, privateKey2) + } +} + +const pemTooFewEndingDashes = ` +-----BEGIN FOO----- +dGVzdA== +-----END FOO----` + +const pemTooManyEndingDashes = ` +-----BEGIN FOO----- +dGVzdA== +-----END FOO------` + +const pemTrailingNonWhitespace = ` +-----BEGIN FOO----- +dGVzdA== +-----END FOO----- .` + +const pemWrongEndingType = ` +-----BEGIN FOO----- +dGVzdA== +-----END BAR-----` + +const pemMissingEndingSpace = ` +-----BEGIN FOO----- +dGVzdA== +-----ENDBAR-----` + +var badPEMTests = []struct { + name string + input string +}{ + { + "too few trailing dashes", + pemTooFewEndingDashes, + }, + { + "too many trailing dashes", + pemTooManyEndingDashes, + }, + { + "trailing non-whitespace", + pemTrailingNonWhitespace, + }, + { + "incorrect ending type", + pemWrongEndingType, + }, + { + "missing ending space", + pemMissingEndingSpace, + }, +} + +func TestBadDecode(t *testing.T) { + for _, test := range badPEMTests { + result, _ := Decode([]byte(test.input)) + if result != nil { + t.Errorf("unexpected success while parsing %q", test.name) + } + } +} + +func TestEncode(t *testing.T) { + r := EncodeToMemory(privateKey2) + if string(r) != pemPrivateKey2 { + t.Errorf("got:%s want:%s", r, pemPrivateKey2) + } +} + +type lineBreakerTest struct { + in, out string +} + +const sixtyFourCharString = "0123456789012345678901234567890123456789012345678901234567890123" + +var lineBreakerTests = []lineBreakerTest{ + {"", ""}, + {"a", "a\n"}, + {"ab", "ab\n"}, + {sixtyFourCharString, sixtyFourCharString + "\n"}, + {sixtyFourCharString + "X", sixtyFourCharString + "\nX\n"}, + {sixtyFourCharString + sixtyFourCharString, sixtyFourCharString + "\n" + sixtyFourCharString + "\n"}, +} + +func TestLineBreaker(t *testing.T) { + for i, test := range lineBreakerTests { + buf := new(bytes.Buffer) + var breaker lineBreaker + breaker.out = buf + _, err := breaker.Write([]byte(test.in)) + if err != nil { + t.Errorf("#%d: error from Write: %s", i, err) + continue + } + err = breaker.Close() + if err != nil { + t.Errorf("#%d: error from Close: %s", i, err) + continue + } + + if string(buf.Bytes()) != test.out { + t.Errorf("#%d: got:%s want:%s", i, string(buf.Bytes()), test.out) + } + } + + for i, test := range lineBreakerTests { + buf := new(bytes.Buffer) + var breaker lineBreaker + breaker.out = buf + + for i := 0; i < len(test.in); i++ { + _, err := breaker.Write([]byte(test.in[i : i+1])) + if err != nil { + t.Errorf("#%d: error from Write (byte by byte): %s", i, err) + continue + } + } + err := breaker.Close() + if err != nil { + t.Errorf("#%d: error from Close (byte by byte): %s", i, err) + continue + } + + if string(buf.Bytes()) != test.out { + t.Errorf("#%d: (byte by byte) got:%s want:%s", i, string(buf.Bytes()), test.out) + } + } +} + +func TestFuzz(t *testing.T) { + // PEM is a text-based format. Assume header fields with leading/trailing spaces + // or embedded newlines will not round trip correctly and don't need to be tested. + isBad := func(s string) bool { + return strings.ContainsAny(s, "\r\n") || strings.TrimSpace(s) != s + } + + testRoundtrip := func(block Block) bool { + // Reject bad Type + // Type with colons will proceed as key/val pair and cause an error. + if isBad(block.Type) || strings.Contains(block.Type, ":") { + return true + } + for key, val := range block.Headers { + // Reject bad key/val. + // Also, keys with colons cannot be encoded, because : is the key: val separator. + if isBad(key) || isBad(val) || strings.Contains(key, ":") { + return true + } + } + + var buf bytes.Buffer + if err := Encode(&buf, &block); err != nil { + t.Errorf("Encode of %#v resulted in error: %s", &block, err) + return false + } + decoded, rest := Decode(buf.Bytes()) + if block.Headers == nil { + // Encoder supports nil Headers but decoder returns initialized. + block.Headers = make(map[string]string) + } + if block.Bytes == nil { + // Encoder supports nil Bytes but decoder returns initialized. + block.Bytes = make([]byte, 0) + } + if !reflect.DeepEqual(decoded, &block) { + t.Errorf("Encode of %#v decoded as %#v", &block, decoded) + return false + } + if len(rest) != 0 { + t.Errorf("Encode of %#v decoded correctly, but with %x left over", block, rest) + return false + } + return true + } + + // Explicitly test the empty block. + if !testRoundtrip(Block{ + Type: "EMPTY", + Headers: make(map[string]string), + Bytes: []byte{}, + }) { + return + } + + quick.Check(testRoundtrip, nil) +} + +func BenchmarkEncode(b *testing.B) { + data := &Block{Bytes: make([]byte, 65536)} + b.SetBytes(int64(len(data.Bytes))) + for i := 0; i < b.N; i++ { + Encode(io.Discard, data) + } +} + +func BenchmarkDecode(b *testing.B) { + block := &Block{Bytes: make([]byte, 65536)} + data := EncodeToMemory(block) + b.SetBytes(int64(len(data))) + b.ResetTimer() + for i := 0; i < b.N; i++ { + Decode(data) + } +} + +var pemData = testingKey(`verify return:0 +-----BEGIN CERTIFICATE----- +sdlfkjskldfj + -----BEGIN CERTIFICATE----- +--- +Certificate chain + 0 s:/C=AU/ST=Somewhere/L=Someplace/O=Foo Bar/CN=foo.example.com + i:/C=ZA/O=CA Inc./CN=CA Inc +-----BEGIN CERTIFICATE----- +testing +-----BEGIN CERTIFICATE----- +-----BEGIN CERTIFICATE----- +MIID6TCCA1ICAQEwDQYJKoZIhvcNAQEFBQAwgYsxCzAJBgNVBAYTAlVTMRMwEQYD +VQQIEwpDYWxpZm9ybmlhMRYwFAYDVQQHEw1TYW4gRnJhbmNpc2NvMRQwEgYDVQQK +EwtHb29nbGUgSW5jLjEMMAoGA1UECxMDRW5nMQwwCgYDVQQDEwNhZ2wxHTAbBgkq +hkiG9w0BCQEWDmFnbEBnb29nbGUuY29tMB4XDTA5MDkwOTIyMDU0M1oXDTEwMDkw +OTIyMDU0M1owajELMAkGA1UEBhMCQVUxEzARBgNVBAgTClNvbWUtU3RhdGUxITAf +BgNVBAoTGEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDEjMCEGA1UEAxMaZXVyb3Bh +LnNmby5jb3JwLmdvb2dsZS5jb20wggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIK +AoICAQC6pgYt7/EibBDumASF+S0qvqdL/f+nouJw2T1Qc8GmXF/iiUcrsgzh/Fd8 +pDhz/T96Qg9IyR4ztuc2MXrmPra+zAuSf5bevFReSqvpIt8Duv0HbDbcqs/XKPfB +uMDe+of7a9GCywvAZ4ZUJcp0thqD9fKTTjUWOBzHY1uNE4RitrhmJCrbBGXbJ249 +bvgmb7jgdInH2PU7PT55hujvOoIsQW2osXBFRur4pF1wmVh4W4lTLD6pjfIMUcML +ICHEXEN73PDic8KS3EtNYCwoIld+tpIBjE1QOb1KOyuJBNW6Esw9ALZn7stWdYcE +qAwvv20egN2tEXqj7Q4/1ccyPZc3PQgC3FJ8Be2mtllM+80qf4dAaQ/fWvCtOrQ5 +pnfe9juQvCo8Y0VGlFcrSys/MzSg9LJ/24jZVgzQved/Qupsp89wVidwIzjt+WdS +fyWfH0/v1aQLvu5cMYuW//C0W2nlYziL5blETntM8My2ybNARy3ICHxCBv2RNtPI +WQVm+E9/W5rwh2IJR4DHn2LHwUVmT/hHNTdBLl5Uhwr4Wc7JhE7AVqb14pVNz1lr +5jxsp//ncIwftb7mZQ3DF03Yna+jJhpzx8CQoeLT6aQCHyzmH68MrHHT4MALPyUs +Pomjn71GNTtDeWAXibjCgdL6iHACCF6Htbl0zGlG0OAK+bdn0QIDAQABMA0GCSqG +SIb3DQEBBQUAA4GBAOKnQDtqBV24vVqvesL5dnmyFpFPXBn3WdFfwD6DzEb21UVG +5krmJiu+ViipORJPGMkgoL6BjU21XI95VQbun5P8vvg8Z+FnFsvRFY3e1CCzAVQY +ZsUkLw2I7zI/dNlWdB8Xp7v+3w9sX5N3J/WuJ1KOO5m26kRlHQo7EzT3974g +-----END CERTIFICATE----- + 1 s:/C=ZA/O=Ca Inc./CN=CA Inc + +-----BEGIN RSA TESTING KEY----- +Proc-Type: 4,ENCRYPTED +DEK-Info: DES-EDE3-CBC,80C7C7A09690757A + +eQp5ZkH6CyHBz7BZfUPxyLCCmftsBJ7HlqGb8Ld21cSwnzWZ4/SIlhyrUtsfw7VR +2TTwA+odo9ex7GdxOTaH8oZFumIRoiEjHsk8U7Bhntp+ekkPP79xunnN7hb7hkhr +yGDQZgA7s2cQHQ71v3gwT2BACAft26jCjbM1wgNzBnJ8M0Rzn68YWqaPtdBu8qb/ +zVR5JB1mnqvTSbFsfF5yMc6o2WQ9jJCl6KypnMl+BpL+dlvdjYVK4l9lYsB1Hs3d ++zDBbWxos818zzhS8/y6eIfiSG27cqrbhURbmgiSfDXjncK4m/pLcQ7mmBL6mFOr +3Pj4jepzgOiFRL6MKE//h62fZvI1ErYr8VunHEykgKNhChDvb1RO6LEfqKBu+Ivw +TB6fBhW3TCLMnVPYVoYwA+fHNTmZZm8BEonlIMfI+KktjWUg4Oia+NI6vKcPpFox +hSnlGgCtvfEaq5/H4kHJp95eOpnFsLviw2seHNkz/LxJMRP1X428+DpYW/QD/0JU +tJSuC/q9FUHL6RI3u/Asrv8pCb4+D7i1jW/AMIdJTtycOGsbPxQA7yHMWujHmeb1 +BTiHcL3s3KrJu1vDVrshvxfnz71KTeNnZH8UbOqT5i7fPGyXtY1XJddcbI/Q6tXf +wHFsZc20TzSdsVLBtwksUacpbDogcEVMctnNrB8FIrB3vZEv9Q0Z1VeY7nmTpF+6 +a+z2P7acL7j6A6Pr3+q8P9CPiPC7zFonVzuVPyB8GchGR2hytyiOVpuD9+k8hcuw +ZWAaUoVtWIQ52aKS0p19G99hhb+IVANC4akkdHV4SP8i7MVNZhfUmg== +-----END RSA TESTING KEY----- + + +-----BEGIN EMPTY----- +-----END EMPTY----- + +-----BEGIN EMPTY----- + +-----END EMPTY----- + +-----BEGIN EMPTY----- + + +-----END EMPTY----- + +# This shouldn't be recognised because of the missing newline after the +headers. +-----BEGIN HEADERS----- +Header: 1 +-----END HEADERS----- + +# This should be valid, however. +-----BEGIN HEADERS----- +Header: 1 + +-----END HEADERS-----`) + +var certificate = &Block{Type: "CERTIFICATE", + Headers: map[string]string{}, + Bytes: []uint8{0x30, 0x82, 0x3, 0xe9, 0x30, 0x82, 0x3, 0x52, 0x2, 0x1, + 0x1, 0x30, 0xd, 0x6, 0x9, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0xd, + 0x1, 0x1, 0x5, 0x5, 0x0, 0x30, 0x81, 0x8b, 0x31, 0xb, 0x30, + 0x9, 0x6, 0x3, 0x55, 0x4, 0x6, 0x13, 0x2, 0x55, 0x53, 0x31, + 0x13, 0x30, 0x11, 0x6, 0x3, 0x55, 0x4, 0x8, 0x13, 0xa, 0x43, + 0x61, 0x6c, 0x69, 0x66, 0x6f, 0x72, 0x6e, 0x69, 0x61, 0x31, + 0x16, 0x30, 0x14, 0x6, 0x3, 0x55, 0x4, 0x7, 0x13, 0xd, 0x53, + 0x61, 0x6e, 0x20, 0x46, 0x72, 0x61, 0x6e, 0x63, 0x69, 0x73, + 0x63, 0x6f, 0x31, 0x14, 0x30, 0x12, 0x6, 0x3, 0x55, 0x4, 0xa, + 0x13, 0xb, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x20, 0x49, + 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0x82, + 0xcb, 0xb, 0xc0, 0x67, 0x86, 0x54, 0x25, 0xca, 0x74, 0xb6, + 0x1a, 0x83, 0xf5, 0xf2, 0x93, 0x4e, 0x35, 0x16, 0x38, 0x1c, + 0xc7, 0x63, 0x5b, 0x8d, 0x13, 0x84, 0x62, 0xb6, 0xb8, 0x66, + 0x24, 0x2a, 0xdb, 0x4, 0x65, 0xdb, 0x27, 0x6e, 0x3d, 0x6e, + 0xf8, 0x26, 0x6f, 0xb8, 0xe0, 0x74, 0x89, 0xc7, 0xd8, 0xf5, + 0x3b, 0x3d, 0x3e, 0x79, 0x86, 0xe8, 0xef, 0x3a, 0x82, 0x2c, + 0x41, 0x6d, 0xa8, 0xb1, 0x70, 0x45, 0x46, 0xea, 0xf8, 0xa4, + 0x5d, 0x70, 0x99, 0x58, 0x78, 0x5b, 0x89, 0x53, 0x2c, 0x3e, + 0xa9, 0x8d, 0xf2, 0xc, 0x51, 0xc3, 0xb, 0x20, 0x21, 0xc4, 0x5c, + 0x43, 0x7b, 0xdc, 0xf0, 0xe2, 0x73, 0xc2, 0x92, 0xdc, 0x4b, + 0x4d, 0x60, 0x2c, 0x28, 0x22, 0x57, 0x7e, 0xb6, 0x92, 0x1, + 0x8c, 0x4d, 0x50, 0x39, 0xbd, 0x4a, 0x3b, 0x2b, 0x89, 0x4, + 0xd5, 0xba, 0x12, 0xcc, 0x3d, 0x0, 0xb6, 0x67, 0xee, 0xcb, + 0x56, 0x75, 0x87, 0x4, 0xa8, 0xc, 0x2f, 0xbf, 0x6d, 0x1e, 0x80, + 0xdd, 0xad, 0x11, 0x7a, 0xa3, 0xed, 0xe, 0x3f, 0xd5, 0xc7, + 0x32, 0x3d, 0x97, 0x37, 0x3d, 0x8, 0x2, 0xdc, 0x52, 0x7c, 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0x8d, 0x4d, 0xb5, 0x5c, 0x8f, 0x79, 0x55, 0x6, 0xee, 0x9f, + 0x93, 0xfc, 0xbe, 0xf8, 0x3c, 0x67, 0xe1, 0x67, 0x16, 0xcb, + 0xd1, 0x15, 0x8d, 0xde, 0xd4, 0x20, 0xb3, 0x1, 0x54, 0x18, + 0x66, 0xc5, 0x24, 0x2f, 0xd, 0x88, 0xef, 0x32, 0x3f, 0x74, + 0xd9, 0x56, 0x74, 0x1f, 0x17, 0xa7, 0xbb, 0xfe, 0xdf, 0xf, + 0x6c, 0x5f, 0x93, 0x77, 0x27, 0xf5, 0xae, 0x27, 0x52, 0x8e, + 0x3b, 0x99, 0xb6, 0xea, 0x44, 0x65, 0x1d, 0xa, 0x3b, 0x13, + 0x34, 0xf7, 0xf7, 0xbe, 0x20, + }, +} + +var privateKey = &Block{Type: "RSA PRIVATE KEY", + Headers: map[string]string{"DEK-Info": "DES-EDE3-CBC,80C7C7A09690757A", "Proc-Type": "4,ENCRYPTED"}, + Bytes: []uint8{0x79, 0xa, 0x79, 0x66, 0x41, 0xfa, 0xb, + 0x21, 0xc1, 0xcf, 0xb0, 0x59, 0x7d, 0x43, 0xf1, 0xc8, 0xb0, + 0x82, 0x99, 0xfb, 0x6c, 0x4, 0x9e, 0xc7, 0x96, 0xa1, 0x9b, + 0xf0, 0xb7, 0x76, 0xd5, 0xc4, 0xb0, 0x9f, 0x35, 0x99, 0xe3, + 0xf4, 0x88, 0x96, 0x1c, 0xab, 0x52, 0xdb, 0x1f, 0xc3, 0xb5, + 0x51, 0xd9, 0x34, 0xf0, 0x3, 0xea, 0x1d, 0xa3, 0xd7, 0xb1, + 0xec, 0x67, 0x71, 0x39, 0x36, 0x87, 0xf2, 0x86, 0x45, 0xba, + 0x62, 0x11, 0xa2, 0x21, 0x23, 0x1e, 0xc9, 0x3c, 0x53, 0xb0, + 0x61, 0x9e, 0xda, 0x7e, 0x7a, 0x49, 0xf, 0x3f, 0xbf, 0x71, + 0xba, 0x79, 0xcd, 0xee, 0x16, 0xfb, 0x86, 0x48, 0x6b, 0xc8, + 0x60, 0xd0, 0x66, 0x0, 0x3b, 0xb3, 0x67, 0x10, 0x1d, 0xe, + 0xf5, 0xbf, 0x78, 0x30, 0x4f, 0x60, 0x40, 0x8, 0x7, 0xed, + 0xdb, 0xa8, 0xc2, 0x8d, 0xb3, 0x35, 0xc2, 0x3, 0x73, 0x6, + 0x72, 0x7c, 0x33, 0x44, 0x73, 0x9f, 0xaf, 0x18, 0x5a, 0xa6, + 0x8f, 0xb5, 0xd0, 0x6e, 0xf2, 0xa6, 0xff, 0xcd, 0x54, 0x79, + 0x24, 0x1d, 0x66, 0x9e, 0xab, 0xd3, 0x49, 0xb1, 0x6c, 0x7c, + 0x5e, 0x72, 0x31, 0xce, 0xa8, 0xd9, 0x64, 0x3d, 0x8c, 0x90, + 0xa5, 0xe8, 0xac, 0xa9, 0x9c, 0xc9, 0x7e, 0x6, 0x92, 0xfe, + 0x76, 0x5b, 0xdd, 0x8d, 0x85, 0x4a, 0xe2, 0x5f, 0x65, 0x62, + 0xc0, 0x75, 0x1e, 0xcd, 0xdd, 0xfb, 0x30, 0xc1, 0x6d, 0x6c, + 0x68, 0xb3, 0xcd, 0x7c, 0xcf, 0x38, 0x52, 0xf3, 0xfc, 0xba, + 0x78, 0x87, 0xe2, 0x48, 0x6d, 0xbb, 0x72, 0xaa, 0xdb, 0x85, + 0x44, 0x5b, 0x9a, 0x8, 0x92, 0x7c, 0x35, 0xe3, 0x9d, 0xc2, + 0xb8, 0x9b, 0xfa, 0x4b, 0x71, 0xe, 0xe6, 0x98, 0x12, 0xfa, + 0x98, 0x53, 0xab, 0xdc, 0xf8, 0xf8, 0x8d, 0xea, 0x73, 0x80, + 0xe8, 0x85, 0x44, 0xbe, 0x8c, 0x28, 0x4f, 0xff, 0x87, 0xad, + 0x9f, 0x66, 0xf2, 0x35, 0x12, 0xb6, 0x2b, 0xf1, 0x5b, 0xa7, + 0x1c, 0x4c, 0xa4, 0x80, 0xa3, 0x61, 0xa, 0x10, 0xef, 0x6f, + 0x54, 0x4e, 0xe8, 0xb1, 0x1f, 0xa8, 0xa0, 0x6e, 0xf8, 0x8b, + 0xf0, 0x4c, 0x1e, 0x9f, 0x6, 0x15, 0xb7, 0x4c, 0x22, 0xcc, + 0x9d, 0x53, 0xd8, 0x56, 0x86, 0x30, 0x3, 0xe7, 0xc7, 0x35, + 0x39, 0x99, 0x66, 0x6f, 0x1, 0x12, 0x89, 0xe5, 0x20, 0xc7, + 0xc8, 0xf8, 0xa9, 0x2d, 0x8d, 0x65, 0x20, 0xe0, 0xe8, 0x9a, + 0xf8, 0xd2, 0x3a, 0xbc, 0xa7, 0xf, 0xa4, 0x5a, 0x31, 0x85, + 0x29, 0xe5, 0x1a, 0x0, 0xad, 0xbd, 0xf1, 0x1a, 0xab, 0x9f, + 0xc7, 0xe2, 0x41, 0xc9, 0xa7, 0xde, 0x5e, 0x3a, 0x99, 0xc5, + 0xb0, 0xbb, 0xe2, 0xc3, 0x6b, 0x1e, 0x1c, 0xd9, 0x33, 0xfc, + 0xbc, 0x49, 0x31, 0x13, 0xf5, 0x5f, 0x8d, 0xbc, 0xf8, 0x3a, + 0x58, 0x5b, 0xf4, 0x3, 0xff, 0x42, 0x54, 0xb4, 0x94, 0xae, + 0xb, 0xfa, 0xbd, 0x15, 0x41, 0xcb, 0xe9, 0x12, 0x37, 0xbb, + 0xf0, 0x2c, 0xae, 0xff, 0x29, 0x9, 0xbe, 0x3e, 0xf, 0xb8, + 0xb5, 0x8d, 0x6f, 0xc0, 0x30, 0x87, 0x49, 0x4e, 0xdc, 0x9c, + 0x38, 0x6b, 0x1b, 0x3f, 0x14, 0x0, 0xef, 0x21, 0xcc, 0x5a, + 0xe8, 0xc7, 0x99, 0xe6, 0xf5, 0x5, 0x38, 0x87, 0x70, 0xbd, + 0xec, 0xdc, 0xaa, 0xc9, 0xbb, 0x5b, 0xc3, 0x56, 0xbb, 0x21, + 0xbf, 0x17, 0xe7, 0xcf, 0xbd, 0x4a, 0x4d, 0xe3, 0x67, 0x64, + 0x7f, 0x14, 0x6c, 0xea, 0x93, 0xe6, 0x2e, 0xdf, 0x3c, 0x6c, + 0x97, 0xb5, 0x8d, 0x57, 0x25, 0xd7, 0x5c, 0x6c, 0x8f, 0xd0, + 0xea, 0xd5, 0xdf, 0xc0, 0x71, 0x6c, 0x65, 0xcd, 0xb4, 0x4f, + 0x34, 0x9d, 0xb1, 0x52, 0xc1, 0xb7, 0x9, 0x2c, 0x51, 0xa7, + 0x29, 0x6c, 0x3a, 0x20, 0x70, 0x45, 0x4c, 0x72, 0xd9, 0xcd, + 0xac, 0x1f, 0x5, 0x22, 0xb0, 0x77, 0xbd, 0x91, 0x2f, 0xf5, + 0xd, 0x19, 0xd5, 0x57, 0x98, 0xee, 0x79, 0x93, 0xa4, 0x5f, + 0xba, 0x6b, 0xec, 0xf6, 0x3f, 0xb6, 0x9c, 0x2f, 0xb8, 0xfa, + 0x3, 0xa3, 0xeb, 0xdf, 0xea, 0xbc, 0x3f, 0xd0, 0x8f, 0x88, + 0xf0, 0xbb, 0xcc, 0x5a, 0x27, 0x57, 0x3b, 0x95, 0x3f, 0x20, + 0x7c, 0x19, 0xc8, 0x46, 0x47, 0x68, 0x72, 0xb7, 0x28, 0x8e, + 0x56, 0x9b, 0x83, 0xf7, 0xe9, 0x3c, 0x85, 0xcb, 0xb0, 0x65, + 0x60, 0x1a, 0x52, 0x85, 0x6d, 0x58, 0x84, 0x39, 0xd9, 0xa2, + 0x92, 0xd2, 0x9d, 0x7d, 0x1b, 0xdf, 0x61, 0x85, 0xbf, 0x88, + 0x54, 0x3, 0x42, 0xe1, 0xa9, 0x24, 0x74, 0x75, 0x78, 0x48, + 0xff, 0x22, 0xec, 0xc5, 0x4d, 0x66, 0x17, 0xd4, 0x9a, + }, +} + +var privateKey2 = &Block{ + Type: "RSA PRIVATE KEY", + Headers: map[string]string{ + "Proc-Type": "4,ENCRYPTED", + "DEK-Info": "AES-128-CBC,BFCD243FEDBB40A4AA6DDAA1335473A4", + "Content-Domain": "RFC822", + }, + Bytes: []uint8{ + 0xa8, 0x35, 0xcc, 0x2b, 0xb9, 0xcb, 0x21, 0xab, 0xc0, + 0x9d, 0x76, 0x61, 0x0, 0xf4, 0x81, 0xad, 0x69, 0xd2, + 0xc0, 0x42, 0x41, 0x3b, 0xe4, 0x3c, 0xaf, 0x59, 0x5e, + 0x6d, 0x2a, 0x3c, 0x9c, 0xa1, 0xa4, 0x5e, 0x68, 0x37, + 0xc4, 0x8c, 0x70, 0x1c, 0xa9, 0x18, 0xe6, 0xc2, 0x2b, + 0x8a, 0x91, 0xdc, 0x2d, 0x1f, 0x8, 0x23, 0x39, 0xf1, + 0x4b, 0x8b, 0x1b, 0x2f, 0x46, 0xb, 0xb2, 0x26, 0xba, + 0x4f, 0x40, 0x80, 0x39, 0xc4, 0xb1, 0xcb, 0x3b, 0xb4, + 0x65, 0x3f, 0x1b, 0xb2, 0xf7, 0x8, 0xd2, 0xc6, 0xd5, + 0xa8, 0x9f, 0x23, 0x69, 0xb6, 0x3d, 0xf9, 0xac, 0x1c, + 0xb3, 0x13, 0x87, 0x64, 0x4, 0x37, 0xdb, 0x40, 0xc8, + 0x82, 0xc, 0xd0, 0xf8, 0x21, 0x7c, 0xdc, 0xbd, 0x9, 0x4, + 0x20, 0x16, 0xb0, 0x97, 0xe2, 0x6d, 0x56, 0x1d, 0xe3, + 0xec, 0xf0, 0xfc, 0xe2, 0x56, 0xad, 0xa4, 0x3, 0x70, + 0x6d, 0x63, 0x3c, 0x1, 0xbe, 0x3e, 0x28, 0x38, 0x6f, + 0xc0, 0xe6, 0xfd, 0x85, 0xd1, 0x53, 0xa8, 0x9b, 0xcb, + 0xd4, 0x4, 0xb1, 0x73, 0xb9, 0x73, 0x32, 0xd6, 0x7a, + 0xc6, 0x29, 0x25, 0xa5, 0xda, 0x17, 0x93, 0x7a, 0x10, + 0xe8, 0x41, 0xfb, 0xa5, 0x17, 0x20, 0xf8, 0x4e, 0xe9, + 0xe3, 0x8f, 0x51, 0x20, 0x13, 0xbb, 0xde, 0xb7, 0x93, + 0xae, 0x13, 0x8a, 0xf6, 0x9, 0xf4, 0xa6, 0x41, 0xe0, + 0x2b, 0x51, 0x1a, 0x30, 0x38, 0xd, 0xb1, 0x3b, 0x67, + 0x87, 0x64, 0xf5, 0xca, 0x32, 0x67, 0xd1, 0xc8, 0xa5, + 0x3d, 0x23, 0x72, 0xc4, 0x6, 0xaf, 0x8f, 0x7b, 0x26, + 0xac, 0x3c, 0x75, 0x91, 0xa1, 0x0, 0x13, 0xc6, 0x5c, + 0x49, 0xd5, 0x3c, 0xe7, 0xb2, 0xb2, 0x99, 0xe0, 0xd5, + 0x25, 0xfa, 0xe2, 0x12, 0x80, 0x37, 0x85, 0xcf, 0x92, + 0xca, 0x1b, 0x9f, 0xf3, 0x4e, 0xd8, 0x80, 0xef, 0x3c, + 0xce, 0xcd, 0xf5, 0x90, 0x9e, 0xf9, 0xa7, 0xb2, 0xc, + 0x49, 0x4, 0xf1, 0x9, 0x8f, 0xea, 0x63, 0xd2, 0x70, + 0xbb, 0x86, 0xbf, 0x34, 0xab, 0xb2, 0x3, 0xb1, 0x59, + 0x33, 0x16, 0x17, 0xb0, 0xdb, 0x77, 0x38, 0xf4, 0xb4, + 0x94, 0xb, 0x25, 0x16, 0x7e, 0x22, 0xd4, 0xf9, 0x22, + 0xb9, 0x78, 0xa3, 0x4, 0x84, 0x4, 0xd2, 0xda, 0x84, + 0x2d, 0x63, 0xdd, 0xf8, 0x50, 0x6a, 0xf6, 0xe3, 0xf5, + 0x65, 0x40, 0x7c, 0xa9, + }, +} + +var pemPrivateKey2 = testingKey(`-----BEGIN RSA TESTING KEY----- +Proc-Type: 4,ENCRYPTED +Content-Domain: RFC822 +DEK-Info: AES-128-CBC,BFCD243FEDBB40A4AA6DDAA1335473A4 + +qDXMK7nLIavAnXZhAPSBrWnSwEJBO+Q8r1lebSo8nKGkXmg3xIxwHKkY5sIripHc +LR8IIznxS4sbL0YLsia6T0CAOcSxyzu0ZT8bsvcI0sbVqJ8jabY9+awcsxOHZAQ3 +20DIggzQ+CF83L0JBCAWsJfibVYd4+zw/OJWraQDcG1jPAG+Pig4b8Dm/YXRU6ib +y9QEsXO5czLWesYpJaXaF5N6EOhB+6UXIPhO6eOPUSATu963k64TivYJ9KZB4CtR +GjA4DbE7Z4dk9coyZ9HIpT0jcsQGr497Jqw8dZGhABPGXEnVPOeyspng1SX64hKA +N4XPksobn/NO2IDvPM7N9ZCe+aeyDEkE8QmP6mPScLuGvzSrsgOxWTMWF7Dbdzj0 +tJQLJRZ+ItT5Irl4owSEBNLahC1j3fhQavbj9WVAfKk= +-----END RSA TESTING KEY----- +`) + +func TestBadEncode(t *testing.T) { + b := &Block{Type: "BAD", Headers: map[string]string{"X:Y": "Z"}} + var buf bytes.Buffer + if err := Encode(&buf, b); err == nil { + t.Fatalf("Encode did not report invalid header") + } + if buf.Len() != 0 { + t.Fatalf("Encode wrote data before reporting invalid header") + } + if data := EncodeToMemory(b); data != nil { + t.Fatalf("EncodeToMemory returned non-nil data") + } +} + +func testingKey(s string) string { return strings.ReplaceAll(s, "TESTING KEY", "PRIVATE KEY") } |