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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "crypto/rsa_private_key.h" | |
| 6 | |
| 7 #include <openssl/bn.h> | |
| 8 #include <openssl/bytestring.h> | |
| 9 #include <openssl/evp.h> | |
| 10 #include <openssl/mem.h> | |
| 11 #include <openssl/rsa.h> | |
| 12 #include <stdint.h> | |
| 13 | |
| 14 #include <memory> | |
| 15 | |
| 16 #include "base/logging.h" | |
| 17 #include "crypto/auto_cbb.h" | |
| 18 #include "crypto/openssl_util.h" | |
| 19 #include "crypto/scoped_openssl_types.h" | |
| 20 | |
| 21 namespace crypto { | |
| 22 | |
| 23 // static | |
| 24 RSAPrivateKey* RSAPrivateKey::Create(uint16_t num_bits) { | |
| 25 OpenSSLErrStackTracer err_tracer(FROM_HERE); | |
| 26 | |
| 27 ScopedRSA rsa_key(RSA_new()); | |
| 28 ScopedBIGNUM bn(BN_new()); | |
| 29 if (!rsa_key.get() || !bn.get() || !BN_set_word(bn.get(), 65537L)) | |
| 30 return NULL; | |
| 31 | |
| 32 if (!RSA_generate_key_ex(rsa_key.get(), num_bits, bn.get(), NULL)) | |
| 33 return NULL; | |
| 34 | |
| 35 std::unique_ptr<RSAPrivateKey> result(new RSAPrivateKey); | |
| 36 result->key_ = EVP_PKEY_new(); | |
| 37 if (!result->key_ || !EVP_PKEY_set1_RSA(result->key_, rsa_key.get())) | |
| 38 return NULL; | |
| 39 | |
| 40 return result.release(); | |
| 41 } | |
| 42 | |
| 43 // static | |
| 44 RSAPrivateKey* RSAPrivateKey::CreateFromPrivateKeyInfo( | |
| 45 const std::vector<uint8_t>& input) { | |
| 46 OpenSSLErrStackTracer err_tracer(FROM_HERE); | |
| 47 | |
| 48 CBS cbs; | |
| 49 CBS_init(&cbs, input.data(), input.size()); | |
| 50 ScopedEVP_PKEY pkey(EVP_parse_private_key(&cbs)); | |
| 51 if (!pkey || CBS_len(&cbs) != 0 || EVP_PKEY_id(pkey.get()) != EVP_PKEY_RSA) | |
| 52 return nullptr; | |
| 53 | |
| 54 std::unique_ptr<RSAPrivateKey> result(new RSAPrivateKey); | |
| 55 result->key_ = pkey.release(); | |
| 56 return result.release(); | |
| 57 } | |
| 58 | |
| 59 // static | |
| 60 RSAPrivateKey* RSAPrivateKey::CreateFromKey(EVP_PKEY* key) { | |
| 61 DCHECK(key); | |
| 62 if (EVP_PKEY_type(key->type) != EVP_PKEY_RSA) | |
| 63 return NULL; | |
| 64 RSAPrivateKey* copy = new RSAPrivateKey(); | |
| 65 copy->key_ = EVP_PKEY_up_ref(key); | |
| 66 return copy; | |
| 67 } | |
| 68 | |
| 69 RSAPrivateKey::RSAPrivateKey() | |
| 70 : key_(NULL) { | |
| 71 } | |
| 72 | |
| 73 RSAPrivateKey::~RSAPrivateKey() { | |
| 74 if (key_) | |
| 75 EVP_PKEY_free(key_); | |
| 76 } | |
| 77 | |
| 78 RSAPrivateKey* RSAPrivateKey::Copy() const { | |
| 79 std::unique_ptr<RSAPrivateKey> copy(new RSAPrivateKey()); | |
| 80 ScopedRSA rsa(EVP_PKEY_get1_RSA(key_)); | |
| 81 if (!rsa) | |
| 82 return NULL; | |
| 83 copy->key_ = EVP_PKEY_new(); | |
| 84 if (!EVP_PKEY_set1_RSA(copy->key_, rsa.get())) | |
| 85 return NULL; | |
| 86 return copy.release(); | |
| 87 } | |
| 88 | |
| 89 bool RSAPrivateKey::ExportPrivateKey(std::vector<uint8_t>* output) const { | |
| 90 uint8_t *der; | |
| 91 size_t der_len; | |
| 92 AutoCBB cbb; | |
| 93 if (!CBB_init(cbb.get(), 0) || | |
| 94 !EVP_marshal_private_key(cbb.get(), key_) || | |
| 95 !CBB_finish(cbb.get(), &der, &der_len)) { | |
| 96 return false; | |
| 97 } | |
| 98 output->assign(der, der + der_len); | |
| 99 OPENSSL_free(der); | |
| 100 return true; | |
| 101 } | |
| 102 | |
| 103 bool RSAPrivateKey::ExportPublicKey(std::vector<uint8_t>* output) const { | |
| 104 uint8_t *der; | |
| 105 size_t der_len; | |
| 106 AutoCBB cbb; | |
| 107 if (!CBB_init(cbb.get(), 0) || | |
| 108 !EVP_marshal_public_key(cbb.get(), key_) || | |
| 109 !CBB_finish(cbb.get(), &der, &der_len)) { | |
| 110 return false; | |
| 111 } | |
| 112 output->assign(der, der + der_len); | |
| 113 OPENSSL_free(der); | |
| 114 return true; | |
| 115 } | |
| 116 | |
| 117 } // namespace crypto | |
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Chromium Code Reviews
Issue 1909513003:
Rename crypto/ *_openssl files (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master