248 lines
8.7 KiB
Go
248 lines
8.7 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package x509
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import (
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"bytes"
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"crypto/rand"
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"encoding/base64"
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"encoding/pem"
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"strings"
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"testing"
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)
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func TestDecrypt(t *testing.T) {
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for i, data := range testData {
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t.Logf("test %v. %v", i, data.kind)
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block, rest := pem.Decode(data.pemData)
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if len(rest) > 0 {
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t.Error("extra data")
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}
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der, err := DecryptPEMBlock(block, data.password)
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if err != nil {
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t.Error("decrypt failed: ", err)
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continue
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}
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if _, err := ParsePKCS1PrivateKey(der); err != nil {
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t.Error("invalid private key: ", err)
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}
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plainDER, err := base64.StdEncoding.DecodeString(data.plainDER)
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if err != nil {
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t.Fatal("cannot decode test DER data: ", err)
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}
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if !bytes.Equal(der, plainDER) {
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t.Error("data mismatch")
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}
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}
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}
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func TestEncrypt(t *testing.T) {
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for i, data := range testData {
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t.Logf("test %v. %v", i, data.kind)
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plainDER, err := base64.StdEncoding.DecodeString(data.plainDER)
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if err != nil {
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t.Fatal("cannot decode test DER data: ", err)
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}
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password := []byte("kremvax1")
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block, err := EncryptPEMBlock(rand.Reader, "RSA PRIVATE KEY", plainDER, password, data.kind)
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if err != nil {
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t.Error("encrypt: ", err)
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continue
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}
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if !IsEncryptedPEMBlock(block) {
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t.Error("PEM block does not appear to be encrypted")
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}
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if block.Type != "RSA PRIVATE KEY" {
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t.Errorf("unexpected block type; got %q want %q", block.Type, "RSA PRIVATE KEY")
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}
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if block.Headers["Proc-Type"] != "4,ENCRYPTED" {
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t.Errorf("block does not have correct Proc-Type header")
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}
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der, err := DecryptPEMBlock(block, password)
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if err != nil {
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t.Error("decrypt: ", err)
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continue
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}
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if !bytes.Equal(der, plainDER) {
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t.Errorf("data mismatch")
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}
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}
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}
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var testData = []struct {
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kind PEMCipher
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password []byte
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pemData []byte
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plainDER string
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}{
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{
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kind: PEMCipherDES,
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password: []byte("asdf"),
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pemData: []byte(`
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-----BEGIN RSA PRIVATE KEY-----
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Proc-Type: 4,ENCRYPTED
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DEK-Info: DES-CBC,34F09A4FC8DE22B5
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WXxy8kbZdiZvANtKvhmPBLV7eVFj2A5z6oAxvI9KGyhG0ZK0skfnt00C24vfU7m5
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ICXeoqP67lzJ18xCzQfHjDaBNs53DSDT+Iz4e8QUep1xQ30+8QKX2NA2coee3nwc
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6oM1cuvhNUDemBH2i3dKgMVkfaga0zQiiOq6HJyGSncCMSruQ7F9iWEfRbFcxFCx
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qtHb1kirfGKEtgWTF+ynyco6+2gMXNu70L7nJcnxnV/RLFkHt7AUU1yrclxz7eZz
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XOH9VfTjb52q/I8Suozq9coVQwg4tXfIoYUdT//O+mB7zJb9HI9Ps77b9TxDE6Gm
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4C9brwZ3zg2vqXcwwV6QRZMtyll9rOpxkbw6NPlpfBqkc3xS51bbxivbO/Nve4KD
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r12ymjFNF4stXCfJnNqKoZ50BHmEEUDu5Wb0fpVn82XrGw7CYc4iug==
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-----END RSA PRIVATE KEY-----`),
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plainDER: `
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MIIBPAIBAAJBAPASZe+tCPU6p80AjHhDkVsLYa51D35e/YGa8QcZyooeZM8EHozo
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KD0fNiKI+53bHdy07N+81VQ8/ejPcRoXPlsCAwEAAQJBAMTxIuSq27VpR+zZ7WJf
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c6fvv1OBvpMZ0/d1pxL/KnOAgq2rD5hDtk9b0LGhTPgQAmrrMTKuSeGoIuYE+gKQ
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QvkCIQD+GC1m+/do+QRurr0uo46Kx1LzLeSCrjBk34wiOp2+dwIhAPHfTLRXS2fv
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7rljm0bYa4+eDZpz+E8RcXEgzhhvcQQ9AiAI5eHZJGOyml3MXnQjiPi55WcDOw0w
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glcRgT6QCEtz2wIhANSyqaFtosIkHKqrDUGfz/bb5tqMYTAnBruVPaf/WEOBAiEA
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9xORWeRG1tRpso4+dYy4KdDkuLPIO01KY6neYGm3BCM=`,
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},
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{
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kind: PEMCipher3DES,
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password: []byte("asdf"),
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pemData: []byte(`
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-----BEGIN RSA PRIVATE KEY-----
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Proc-Type: 4,ENCRYPTED
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DEK-Info: DES-EDE3-CBC,C1F4A6A03682C2C7
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0JqVdBEH6iqM7drTkj+e2W/bE3LqakaiWhb9WUVonFkhyu8ca/QzebY3b5gCvAZQ
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YwBvDcT/GHospKqPx+cxDHJNsUASDZws6bz8ZXWJGwZGExKzr0+Qx5fgXn44Ms3x
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8g1ENFuTXtxo+KoNK0zuAMAqp66Llcds3Fjl4XR18QaD0CrVNAfOdgATWZm5GJxk
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Fgx5f84nT+/ovvreG+xeOzWgvtKo0UUZVrhGOgfKLpa57adumcJ6SkUuBtEFpZFB
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ldw5w7WC7d13x2LsRkwo8ZrDKgIV+Y9GNvhuCCkTzNP0V3gNeJpd201HZHR+9n3w
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3z0VjR/MGqsfcy1ziEWMNOO53At3zlG6zP05aHMnMcZoVXadEK6L1gz++inSSDCq
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gI0UJP4e3JVB7AkgYymYAwiYALAkoEIuanxoc50njJk=
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-----END RSA PRIVATE KEY-----`),
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plainDER: `
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MIIBOwIBAAJBANOCXKdoNS/iP/MAbl9cf1/SF3P+Ns7ZeNL27CfmDh0O6Zduaax5
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NBiumd2PmjkaCu7lQ5JOibHfWn+xJsc3kw0CAwEAAQJANX/W8d1Q/sCqzkuAn4xl
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B5a7qfJWaLHndu1QRLNTRJPn0Ee7OKJ4H0QKOhQM6vpjRrz+P2u9thn6wUxoPsef
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QQIhAP/jCkfejFcy4v15beqKzwz08/tslVjF+Yq41eJGejmxAiEA05pMoqfkyjcx
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fyvGhpoOyoCp71vSGUfR2I9CR65oKh0CIC1Msjs66LlfJtQctRq6bCEtFCxEcsP+
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eEjYo/Sk6WphAiEAxpgWPMJeU/shFT28gS+tmhjPZLpEoT1qkVlC14u0b3ECIQDX
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tZZZxCtPAm7shftEib0VU77Lk8MsXJcx2C4voRsjEw==`,
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},
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{
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kind: PEMCipherAES128,
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password: []byte("asdf"),
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pemData: []byte(`
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-----BEGIN RSA PRIVATE KEY-----
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Proc-Type: 4,ENCRYPTED
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DEK-Info: AES-128-CBC,D4492E793FC835CC038A728ED174F78A
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EyfQSzXSjv6BaNH+NHdXRlkHdimpF9izWlugVJAPApgXrq5YldPe2aGIOFXyJ+QE
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ZIG20DYqaPzJRjTEbPNZ6Es0S2JJ5yCpKxwJuDkgJZKtF39Q2i36JeGbSZQIuWJE
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GZbBpf1jDH/pr0iGonuAdl2PCCZUiy+8eLsD2tyviHUkFLOB+ykYoJ5t8ngZ/B6D
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33U43LLb7+9zD4y3Q9OVHqBFGyHcxCY9+9Qh4ZnFp7DTf6RY5TNEvE3s4g6aDpBs
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3NbvRVvYTgs8K9EPk4K+5R+P2kD8J8KvEIGxVa1vz8QoCJ/jr7Ka2rvNgPCex5/E
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080LzLHPCrXKdlr/f50yhNWq08ZxMWQFkui+FDHPDUaEELKAXV8/5PDxw80Rtybo
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AVYoCVIbZXZCuCO81op8UcOgEpTtyU5Lgh3Mw5scQL0=
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-----END RSA PRIVATE KEY-----`),
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plainDER: `
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MIIBOgIBAAJBAMBlj5FxYtqbcy8wY89d/S7n0+r5MzD9F63BA/Lpl78vQKtdJ5dT
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cDGh/rBt1ufRrNp0WihcmZi7Mpl/3jHjiWECAwEAAQJABNOHYnKhtDIqFYj1OAJ3
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k3GlU0OlERmIOoeY/cL2V4lgwllPBEs7r134AY4wMmZSBUj8UR/O4SNO668ElKPE
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cQIhAOuqY7/115x5KCdGDMWi+jNaMxIvI4ETGwV40ykGzqlzAiEA0P9oEC3m9tHB
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kbpjSTxaNkrXxDgdEOZz8X0uOUUwHNsCIAwzcSCiGLyYJTULUmP1ESERfW1mlV78
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XzzESaJpIM/zAiBQkSTcl9VhcJreQqvjn5BnPZLP4ZHS4gPwJAGdsj5J4QIhAOVR
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B3WlRNTXR2WsJ5JdByezg9xzdXzULqmga0OE339a`,
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},
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{
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kind: PEMCipherAES192,
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password: []byte("asdf"),
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pemData: []byte(`
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-----BEGIN RSA PRIVATE KEY-----
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Proc-Type: 4,ENCRYPTED
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DEK-Info: AES-192-CBC,E2C9FB02BCA23ADE1829F8D8BC5F5369
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cqVslvHqDDM6qwU6YjezCRifXmKsrgEev7ng6Qs7UmDJOpHDgJQZI9fwMFUhIyn5
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FbCu1SHkLMW52Ld3CuEqMnzWMlhPrW8tFvUOrMWPYSisv7nNq88HobZEJcUNL2MM
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Y15XmHW6IJwPqhKyLHpWXyOCVEh4ODND2nV15PCoi18oTa475baxSk7+1qH7GuIs
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Rb7tshNTMqHbCpyo9Rn3UxeFIf9efdl8YLiMoIqc7J8E5e9VlbeQSdLMQOgDAQJG
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ReUtTw8exmKsY4gsSjhkg5uiw7/ZB1Ihto0qnfQJgjGc680qGkT1d6JfvOfeYAk6
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xn5RqS/h8rYAYm64KnepfC9vIujo4NqpaREDmaLdX5MJPQ+SlytITQvgUsUq3q/t
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Ss85xjQEZH3hzwjQqdJvmA4hYP6SUjxYpBM+02xZ1Xw=
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-----END RSA PRIVATE KEY-----`),
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plainDER: `
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MIIBOwIBAAJBAMGcRrZiNNmtF20zyS6MQ7pdGx17aFDl+lTl+qnLuJRUCMUG05xs
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OmxmL/O1Qlf+bnqR8Bgg65SfKg21SYuLhiMCAwEAAQJBAL94uuHyO4wux2VC+qpj
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IzPykjdU7XRcDHbbvksf4xokSeUFjjD3PB0Qa83M94y89ZfdILIqS9x5EgSB4/lX
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qNkCIQD6cCIqLfzq/lYbZbQgAAjpBXeQVYsbvVtJrPrXJAlVVQIhAMXpDKMeFPMn
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J0g2rbx1gngx0qOa5r5iMU5w/noN4W2XAiBjf+WzCG5yFvazD+dOx3TC0A8+4x3P
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uZ3pWbaXf5PNuQIgAcdXarvhelH2w2piY1g3BPeFqhzBSCK/yLGxR82KIh8CIQDD
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+qGKsd09NhQ/G27y/DARzOYtml1NvdmCQAgsDIIOLA==`,
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},
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{
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kind: PEMCipherAES256,
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password: []byte("asdf"),
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pemData: []byte(`
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-----BEGIN RSA PRIVATE KEY-----
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Proc-Type: 4,ENCRYPTED
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DEK-Info: AES-256-CBC,8E7ED5CD731902CE938957A886A5FFBD
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4Mxr+KIzRVwoOP0wwq6caSkvW0iS+GE2h2Ov/u+n9ZTMwL83PRnmjfjzBgfRZLVf
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JFPXxUK26kMNpIdssNnqGOds+DhB+oSrsNKoxgxSl5OBoYv9eJTVYm7qOyAFIsjr
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DRKAcjYCmzfesr7PVTowwy0RtHmYwyXMGDlAzzZrEvaiySFFmMyKKvtoavwaFoc7
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Pz3RZScwIuubzTGJ1x8EzdffYOsdCa9Mtgpp3L136+23dOd6L/qK2EG2fzrJSHs/
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2XugkleBFSMKzEp9mxXKRfa++uidQvMZTFLDK9w5YjrRvMBo/l2BoZIsq0jAIE1N
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sv5Z/KwlX+3MDEpPQpUwGPlGGdLnjI3UZ+cjgqBcoMiNc6HfgbBgYJSU6aDSHuCk
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clCwByxWkBNgJ2GrkwNrF26v+bGJJJNR4SKouY1jQf0=
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-----END RSA PRIVATE KEY-----`),
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plainDER: `
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MIIBOgIBAAJBAKy3GFkstoCHIEeUU/qO8207m8WSrjksR+p9B4tf1w5k+2O1V/GY
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AQ5WFCApItcOkQe/I0yZZJk/PmCqMzSxrc8CAwEAAQJAOCAz0F7AW9oNelVQSP8F
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Sfzx7O1yom+qWyAQQJF/gFR11gpf9xpVnnyu1WxIRnDUh1LZwUsjwlDYb7MB74id
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oQIhANPcOiLwOPT4sIUpRM5HG6BF1BI7L77VpyGVk8xNP7X/AiEA0LMHZtk4I+lJ
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nClgYp4Yh2JZ1Znbu7IoQMCEJCjwKDECIGd8Dzm5tViTkUW6Hs3Tlf73nNs65duF
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aRnSglss8I3pAiEAonEnKruawgD8RavDFR+fUgmQiPz4FnGGeVgfwpGG1JECIBYq
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PXHYtPqxQIbD2pScR5qum7iGUh11lEUPkmt+2uqS`,
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},
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{
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// generated with:
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// openssl genrsa -aes128 -passout pass:asdf -out server.orig.key 128
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kind: PEMCipherAES128,
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password: []byte("asdf"),
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pemData: []byte(`
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-----BEGIN RSA PRIVATE KEY-----
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Proc-Type: 4,ENCRYPTED
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DEK-Info: AES-128-CBC,74611ABC2571AF11B1BF9B69E62C89E7
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6ei/MlytjE0FFgZOGQ+jrwomKfpl8kdefeE0NSt/DMRrw8OacHAzBNi3pPEa0eX3
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eND9l7C9meCirWovjj9QWVHrXyugFuDIqgdhQ8iHTgCfF3lrmcttVrbIfMDw+smD
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hTP8O1mS/MHl92NE0nhv0w==
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-----END RSA PRIVATE KEY-----`),
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plainDER: `
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MGMCAQACEQC6ssxmYuauuHGOCDAI54RdAgMBAAECEQCWIn6Yv2O+kBcDF7STctKB
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AgkA8SEfu/2i3g0CCQDGNlXbBHX7kQIIK3Ww5o0cYbECCQDCimPb0dYGsQIIeQ7A
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jryIst8=`,
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},
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}
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const incompleteBlockPEM = `
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-----BEGIN RSA PRIVATE KEY-----
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Proc-Type: 4,ENCRYPTED
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DEK-Info: AES-128-CBC,74611ABC2571AF11B1BF9B69E62C89E7
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6L8yXK2MTQUWBk4ZD6OvCiYp+mXyR1594TQ1K38MxGvDw5pwcDME2Lek8RrR5fd40P2XsL2Z4KKt
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ai+OP1BZUetfK6AW4MiqB2FDyIdOAJ8XeWuZy21Wtsh8wPD6yYOFM/w7WZL8weX3Y0TSeG/T
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-----END RSA PRIVATE KEY-----`
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func TestIncompleteBlock(t *testing.T) {
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// incompleteBlockPEM contains ciphertext that is not a multiple of the
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// block size. This previously panicked. See #11215.
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block, _ := pem.Decode([]byte(incompleteBlockPEM))
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_, err := DecryptPEMBlock(block, []byte("foo"))
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if err == nil {
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t.Fatal("Bad PEM data decrypted successfully")
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}
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const expectedSubstr = "block size"
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if e := err.Error(); !strings.Contains(e, expectedSubstr) {
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t.Fatalf("Expected error containing %q but got: %q", expectedSubstr, e)
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}
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}
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