Index: net/ssl/openssl_platform_key_mac.cc |
diff --git a/net/ssl/openssl_platform_key_mac.cc b/net/ssl/openssl_platform_key_mac.cc |
deleted file mode 100644 |
index 34857afda35f85c578e2ec31dbe9b6137941b7a5..0000000000000000000000000000000000000000 |
--- a/net/ssl/openssl_platform_key_mac.cc |
+++ /dev/null |
@@ -1,466 +0,0 @@ |
-// Copyright 2014 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#include "net/ssl/openssl_platform_key.h" |
- |
-#include <openssl/ec_key.h> |
-#include <openssl/err.h> |
-#include <openssl/engine.h> |
-#include <openssl/evp.h> |
-#include <openssl/rsa.h> |
- |
-#include <Security/cssm.h> |
-#include <Security/SecBase.h> |
-#include <Security/SecCertificate.h> |
-#include <Security/SecIdentity.h> |
-#include <Security/SecKey.h> |
- |
-#include "base/lazy_instance.h" |
-#include "base/location.h" |
-#include "base/logging.h" |
-#include "base/mac/mac_logging.h" |
-#include "base/mac/scoped_cftyperef.h" |
-#include "base/memory/scoped_policy.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "base/synchronization/lock.h" |
-#include "crypto/mac_security_services_lock.h" |
-#include "net/base/net_errors.h" |
-#include "net/cert/x509_certificate.h" |
-#include "net/ssl/openssl_ssl_util.h" |
- |
-namespace net { |
- |
-namespace { |
- |
-class ScopedCSSM_CC_HANDLE { |
- public: |
- ScopedCSSM_CC_HANDLE() : handle_(0) { |
- } |
- |
- ~ScopedCSSM_CC_HANDLE() { |
- reset(); |
- } |
- |
- CSSM_CC_HANDLE get() const { |
- return handle_; |
- } |
- |
- void reset() { |
- if (handle_) |
- CSSM_DeleteContext(handle_); |
- handle_ = 0; |
- } |
- |
- CSSM_CC_HANDLE* InitializeInto() { |
- reset(); |
- return &handle_; |
- } |
- private: |
- CSSM_CC_HANDLE handle_; |
- |
- DISALLOW_COPY_AND_ASSIGN(ScopedCSSM_CC_HANDLE); |
-}; |
- |
-// Looks up the private key for |certificate| in KeyChain and returns |
-// a SecKeyRef or NULL on failure. The caller takes ownership of the |
-// result. |
-SecKeyRef FetchSecKeyRefForCertificate(const X509Certificate* certificate) { |
- OSStatus status; |
- base::ScopedCFTypeRef<SecIdentityRef> identity; |
- { |
- base::AutoLock lock(crypto::GetMacSecurityServicesLock()); |
- status = SecIdentityCreateWithCertificate( |
- NULL, certificate->os_cert_handle(), identity.InitializeInto()); |
- } |
- if (status != noErr) { |
- OSSTATUS_LOG(WARNING, status); |
- return NULL; |
- } |
- |
- base::ScopedCFTypeRef<SecKeyRef> private_key; |
- status = SecIdentityCopyPrivateKey(identity, private_key.InitializeInto()); |
- if (status != noErr) { |
- OSSTATUS_LOG(WARNING, status); |
- return NULL; |
- } |
- |
- return private_key.release(); |
-} |
- |
-extern const RSA_METHOD mac_rsa_method; |
-extern const ECDSA_METHOD mac_ecdsa_method; |
- |
-// KeyExData contains the data that is contained in the EX_DATA of the |
-// RSA and ECDSA objects that are created to wrap Mac system keys. |
-struct KeyExData { |
- KeyExData(SecKeyRef key, const CSSM_KEY* cssm_key) |
- : key(key, base::scoped_policy::RETAIN), cssm_key(cssm_key) {} |
- |
- base::ScopedCFTypeRef<SecKeyRef> key; |
- const CSSM_KEY* cssm_key; |
-}; |
- |
-// ExDataDup is called when one of the RSA or EC_KEY objects is |
-// duplicated. This is not supported and should never happen. |
-int ExDataDup(CRYPTO_EX_DATA* to, |
- const CRYPTO_EX_DATA* from, |
- void** from_d, |
- int idx, |
- long argl, |
- void* argp) { |
- CHECK_EQ((void*)NULL, *from_d); |
- return 0; |
-} |
- |
-// ExDataFree is called when one of the RSA or EC_KEY objects is freed. |
-void ExDataFree(void* parent, |
- void* ptr, |
- CRYPTO_EX_DATA* ex_data, |
- int idx, |
- long argl, void* argp) { |
- KeyExData* data = reinterpret_cast<KeyExData*>(ptr); |
- delete data; |
-} |
- |
-// BoringSSLEngine is a BoringSSL ENGINE that implements RSA and ECDSA |
-// by forwarding the requested operations to Apple's CSSM |
-// implementation. |
-class BoringSSLEngine { |
- public: |
- BoringSSLEngine() |
- : rsa_index_(RSA_get_ex_new_index(0 /* argl */, |
- NULL /* argp */, |
- NULL /* new_func */, |
- ExDataDup, |
- ExDataFree)), |
- ec_key_index_(EC_KEY_get_ex_new_index(0 /* argl */, |
- NULL /* argp */, |
- NULL /* new_func */, |
- ExDataDup, |
- ExDataFree)), |
- engine_(ENGINE_new()) { |
- ENGINE_set_RSA_method( |
- engine_, &mac_rsa_method, sizeof(mac_rsa_method)); |
- ENGINE_set_ECDSA_method( |
- engine_, &mac_ecdsa_method, sizeof(mac_ecdsa_method)); |
- } |
- |
- int rsa_ex_index() const { return rsa_index_; } |
- int ec_key_ex_index() const { return ec_key_index_; } |
- |
- const ENGINE* engine() const { return engine_; } |
- |
- private: |
- const int rsa_index_; |
- const int ec_key_index_; |
- ENGINE* const engine_; |
-}; |
- |
-base::LazyInstance<BoringSSLEngine>::Leaky global_boringssl_engine = |
- LAZY_INSTANCE_INITIALIZER; |
- |
-// Helper function for making a signature. |
- |
-// MakeCSSMSignature uses the key information in |ex_data| to sign the |
-// |in_len| bytes pointed by |in|. It writes up to |max_out| bytes |
-// into the buffer pointed to by |out|, setting |*out_len| to the |
-// number of bytes written. It returns 1 on success and 0 on failure. |
-int MakeCSSMSignature(const KeyExData* ex_data, |
- size_t* out_len, |
- uint8_t* out, |
- size_t max_out, |
- const uint8_t* in, |
- size_t in_len) { |
- CSSM_CSP_HANDLE csp_handle; |
- OSStatus status = SecKeyGetCSPHandle(ex_data->key.get(), &csp_handle); |
- if (status != noErr) { |
- OSSTATUS_LOG(WARNING, status); |
- OPENSSL_PUT_ERROR(RSA, sign_raw, ERR_R_INTERNAL_ERROR); |
- return 0; |
- } |
- |
- const CSSM_ACCESS_CREDENTIALS* cssm_creds = NULL; |
- status = SecKeyGetCredentials(ex_data->key.get(), CSSM_ACL_AUTHORIZATION_SIGN, |
- kSecCredentialTypeDefault, &cssm_creds); |
- if (status != noErr) { |
- OSSTATUS_LOG(WARNING, status); |
- OpenSSLPutNetError(FROM_HERE, ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED); |
- return 0; |
- } |
- |
- ScopedCSSM_CC_HANDLE cssm_signature; |
- if (CSSM_CSP_CreateSignatureContext( |
- csp_handle, ex_data->cssm_key->KeyHeader.AlgorithmId, cssm_creds, |
- ex_data->cssm_key, cssm_signature.InitializeInto()) != CSSM_OK) { |
- OpenSSLPutNetError(FROM_HERE, ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED); |
- return 0; |
- } |
- |
- if (ex_data->cssm_key->KeyHeader.AlgorithmId == CSSM_ALGID_RSA) { |
- // Set RSA blinding. |
- CSSM_CONTEXT_ATTRIBUTE blinding_attr; |
- blinding_attr.AttributeType = CSSM_ATTRIBUTE_RSA_BLINDING; |
- blinding_attr.AttributeLength = sizeof(uint32); |
- blinding_attr.Attribute.Uint32 = 1; |
- if (CSSM_UpdateContextAttributes( |
- cssm_signature.get(), 1, &blinding_attr) != CSSM_OK) { |
- OpenSSLPutNetError(FROM_HERE, ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED); |
- return 0; |
- } |
- } |
- |
- CSSM_DATA hash_data; |
- hash_data.Length = in_len; |
- hash_data.Data = const_cast<uint8*>(in); |
- |
- CSSM_DATA signature_data; |
- signature_data.Length = max_out; |
- signature_data.Data = out; |
- |
- if (CSSM_SignData(cssm_signature.get(), &hash_data, 1, |
- CSSM_ALGID_NONE, &signature_data) != CSSM_OK) { |
- OpenSSLPutNetError(FROM_HERE, ERR_SSL_CLIENT_AUTH_SIGNATURE_FAILED); |
- return 0; |
- } |
- |
- *out_len = signature_data.Length; |
- return 1; |
-} |
- |
-// Custom RSA_METHOD that uses the platform APIs for signing. |
- |
-const KeyExData* RsaGetExData(const RSA* rsa) { |
- return reinterpret_cast<const KeyExData*>( |
- RSA_get_ex_data(rsa, global_boringssl_engine.Get().rsa_ex_index())); |
-} |
- |
-size_t RsaMethodSize(const RSA *rsa) { |
- const KeyExData *ex_data = RsaGetExData(rsa); |
- return (ex_data->cssm_key->KeyHeader.LogicalKeySizeInBits + 7) / 8; |
-} |
- |
-int RsaMethodEncrypt(RSA* rsa, |
- size_t* out_len, |
- uint8_t* out, |
- size_t max_out, |
- const uint8_t* in, |
- size_t in_len, |
- int padding) { |
- NOTIMPLEMENTED(); |
- OPENSSL_PUT_ERROR(RSA, encrypt, RSA_R_UNKNOWN_ALGORITHM_TYPE); |
- return 0; |
-} |
- |
-int RsaMethodSignRaw(RSA* rsa, |
- size_t* out_len, |
- uint8_t* out, |
- size_t max_out, |
- const uint8_t* in, |
- size_t in_len, |
- int padding) { |
- // Only support PKCS#1 padding. |
- DCHECK_EQ(RSA_PKCS1_PADDING, padding); |
- if (padding != RSA_PKCS1_PADDING) { |
- OPENSSL_PUT_ERROR(RSA, sign_raw, RSA_R_UNKNOWN_PADDING_TYPE); |
- return 0; |
- } |
- |
- const KeyExData *ex_data = RsaGetExData(rsa); |
- if (!ex_data) { |
- OPENSSL_PUT_ERROR(RSA, sign_raw, ERR_R_INTERNAL_ERROR); |
- return 0; |
- } |
- DCHECK_EQ(CSSM_ALGID_RSA, ex_data->cssm_key->KeyHeader.AlgorithmId); |
- |
- return MakeCSSMSignature(ex_data, out_len, out, max_out, in, in_len); |
-} |
- |
-int RsaMethodDecrypt(RSA* rsa, |
- size_t* out_len, |
- uint8_t* out, |
- size_t max_out, |
- const uint8_t* in, |
- size_t in_len, |
- int padding) { |
- NOTIMPLEMENTED(); |
- OPENSSL_PUT_ERROR(RSA, decrypt, RSA_R_UNKNOWN_ALGORITHM_TYPE); |
- return 0; |
-} |
- |
-int RsaMethodVerifyRaw(RSA* rsa, |
- size_t* out_len, |
- uint8_t* out, |
- size_t max_out, |
- const uint8_t* in, |
- size_t in_len, |
- int padding) { |
- NOTIMPLEMENTED(); |
- OPENSSL_PUT_ERROR(RSA, verify_raw, RSA_R_UNKNOWN_ALGORITHM_TYPE); |
- return 0; |
-} |
- |
-const RSA_METHOD mac_rsa_method = { |
- { |
- 0 /* references */, |
- 1 /* is_static */ |
- } /* common */, |
- NULL /* app_data */, |
- |
- NULL /* init */, |
- NULL /* finish */, |
- RsaMethodSize, |
- NULL /* sign */, |
- NULL /* verify */, |
- RsaMethodEncrypt, |
- RsaMethodSignRaw, |
- RsaMethodDecrypt, |
- RsaMethodVerifyRaw, |
- NULL /* private_transform */, |
- NULL /* mod_exp */, |
- NULL /* bn_mod_exp */, |
- RSA_FLAG_OPAQUE, |
- NULL /* keygen */, |
-}; |
- |
-crypto::ScopedEVP_PKEY CreateRSAWrapper(SecKeyRef key, |
- const CSSM_KEY* cssm_key) { |
- crypto::ScopedRSA rsa( |
- RSA_new_method(global_boringssl_engine.Get().engine())); |
- if (!rsa) |
- return crypto::ScopedEVP_PKEY(); |
- |
- RSA_set_ex_data( |
- rsa.get(), global_boringssl_engine.Get().rsa_ex_index(), |
- new KeyExData(key, cssm_key)); |
- |
- crypto::ScopedEVP_PKEY pkey(EVP_PKEY_new()); |
- if (!pkey) |
- return crypto::ScopedEVP_PKEY(); |
- |
- if (!EVP_PKEY_set1_RSA(pkey.get(), rsa.get())) |
- return crypto::ScopedEVP_PKEY(); |
- |
- return pkey.Pass(); |
-} |
- |
-// Custom ECDSA_METHOD that uses the platform APIs. |
-// Note that for now, only signing through ECDSA_sign() is really supported. |
-// all other method pointers are either stubs returning errors, or no-ops. |
- |
-const KeyExData* EcKeyGetExData(const EC_KEY* ec_key) { |
- return reinterpret_cast<const KeyExData*>(EC_KEY_get_ex_data( |
- ec_key, global_boringssl_engine.Get().ec_key_ex_index())); |
-} |
- |
-size_t EcdsaMethodGroupOrderSize(const EC_KEY* ec_key) { |
- const KeyExData* ex_data = EcKeyGetExData(ec_key); |
- // LogicalKeySizeInBits is the size of an EC public key. But an |
- // ECDSA signature length depends on the size of the base point's |
- // order. For P-256, P-384, and P-521, these two sizes are the same. |
- return (ex_data->cssm_key->KeyHeader.LogicalKeySizeInBits + 7) / 8; |
-} |
- |
-int EcdsaMethodSign(const uint8_t* digest, |
- size_t digest_len, |
- uint8_t* sig, |
- unsigned int* sig_len, |
- EC_KEY* ec_key) { |
- const KeyExData *ex_data = EcKeyGetExData(ec_key); |
- if (!ex_data) { |
- OPENSSL_PUT_ERROR(RSA, sign_raw, ERR_R_INTERNAL_ERROR); |
- return 0; |
- } |
- DCHECK_EQ(CSSM_ALGID_ECDSA, ex_data->cssm_key->KeyHeader.AlgorithmId); |
- |
- // TODO(davidben): Fix BoringSSL to make sig_len a size_t*. |
- size_t out_len; |
- int ret = MakeCSSMSignature( |
- ex_data, &out_len, sig, ECDSA_size(ec_key), digest, digest_len); |
- if (!ret) |
- return 0; |
- *sig_len = out_len; |
- return 1; |
-} |
- |
-int EcdsaMethodVerify(const uint8_t* digest, |
- size_t digest_len, |
- const uint8_t* sig, |
- size_t sig_len, |
- EC_KEY* eckey) { |
- NOTIMPLEMENTED(); |
- OPENSSL_PUT_ERROR(ECDSA, ECDSA_do_verify, ECDSA_R_NOT_IMPLEMENTED); |
- return 0; |
-} |
- |
-const ECDSA_METHOD mac_ecdsa_method = { |
- { |
- 0 /* references */, |
- 1 /* is_static */ |
- } /* common */, |
- NULL /* app_data */, |
- |
- NULL /* init */, |
- NULL /* finish */, |
- EcdsaMethodGroupOrderSize, |
- EcdsaMethodSign, |
- EcdsaMethodVerify, |
- ECDSA_FLAG_OPAQUE, |
-}; |
- |
-crypto::ScopedEVP_PKEY CreateECDSAWrapper(SecKeyRef key, |
- const CSSM_KEY* cssm_key) { |
- crypto::ScopedEC_KEY ec_key( |
- EC_KEY_new_method(global_boringssl_engine.Get().engine())); |
- if (!ec_key) |
- return crypto::ScopedEVP_PKEY(); |
- |
- EC_KEY_set_ex_data( |
- ec_key.get(), global_boringssl_engine.Get().ec_key_ex_index(), |
- new KeyExData(key, cssm_key)); |
- |
- crypto::ScopedEVP_PKEY pkey(EVP_PKEY_new()); |
- if (!pkey) |
- return crypto::ScopedEVP_PKEY(); |
- |
- if (!EVP_PKEY_set1_EC_KEY(pkey.get(), ec_key.get())) |
- return crypto::ScopedEVP_PKEY(); |
- |
- return pkey.Pass(); |
-} |
- |
-crypto::ScopedEVP_PKEY CreatePkeyWrapper(SecKeyRef key) { |
- const CSSM_KEY* cssm_key; |
- OSStatus status = SecKeyGetCSSMKey(key, &cssm_key); |
- if (status != noErr) |
- return crypto::ScopedEVP_PKEY(); |
- |
- switch (cssm_key->KeyHeader.AlgorithmId) { |
- case CSSM_ALGID_RSA: |
- return CreateRSAWrapper(key, cssm_key); |
- case CSSM_ALGID_ECDSA: |
- return CreateECDSAWrapper(key, cssm_key); |
- default: |
- // TODO(davidben): Filter out anything other than ECDSA and RSA |
- // elsewhere. We don't support other key types. |
- NOTREACHED(); |
- LOG(ERROR) << "Unknown key type"; |
- return crypto::ScopedEVP_PKEY(); |
- } |
-} |
- |
-} // namespace |
- |
-crypto::ScopedEVP_PKEY FetchClientCertPrivateKey( |
- const X509Certificate* certificate) { |
- // Look up the private key. |
- base::ScopedCFTypeRef<SecKeyRef> private_key( |
- FetchSecKeyRefForCertificate(certificate)); |
- if (!private_key) |
- return crypto::ScopedEVP_PKEY(); |
- |
- // Create an EVP_PKEY wrapper. |
- return CreatePkeyWrapper(private_key.get()); |
-} |
- |
-} // namespace net |