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src: clean up some obsolete crypto methods · nodejs/node@94a0237 · GitHub

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Commit 94a0237

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jasnell
authored and
targos
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src: clean up some obsolete crypto methods
Signed-off-by: James M Snell <jasnell@gmail.com> PR-URL: #56792 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
1 parent abca97f commit 94a0237

27 files changed

Lines changed: 682 additions & 669 deletions

‎deps/ncrypto/ncrypto.cc‎

Lines changed: 130 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -915,6 +915,18 @@ BIOPointer X509View::toDER() const {
915915
return bio;
916916
}
917917

918+
const X509Name X509View::getSubjectName() const {
919+
ClearErrorOnReturn clearErrorOnReturn;
920+
if (cert_ == nullptr) return {};
921+
return X509Name(X509_get_subject_name(cert_));
922+
}
923+
924+
const X509Name X509View::getIssuerName() const {
925+
ClearErrorOnReturn clearErrorOnReturn;
926+
if (cert_ == nullptr) return {};
927+
return X509Name(X509_get_issuer_name(cert_));
928+
}
929+
918930
BIOPointer X509View::getSubject() const {
919931
ClearErrorOnReturn clearErrorOnReturn;
920932
if (cert_ == nullptr) return {};
@@ -2390,6 +2402,15 @@ EVPKeyPointer::operator Rsa() const {
23902402
return Rsa(rsa);
23912403
}
23922404

2405+
EVPKeyPointer::operator Dsa() const {
2406+
int type = id();
2407+
if (type != EVP_PKEY_DSA) return {};
2408+
2409+
OSSL3_CONST DSA* dsa = EVP_PKEY_get0_DSA(get());
2410+
if (dsa == nullptr) return {};
2411+
return Dsa(dsa);
2412+
}
2413+
23932414
bool EVPKeyPointer::validateDsaParameters() const {
23942415
if (!pkey_) return false;
23952416
/* Validate DSA2 parameters from FIPS 186-4 */
@@ -2585,6 +2606,24 @@ EVPKeyPointer SSLPointer::getPeerTempKey() const {
25852606
return EVPKeyPointer(raw_key);
25862607
}
25872608

2609+
std::optional<std::string_view> SSLPointer::getCipherName() const {
2610+
auto cipher = getCipher();
2611+
if (cipher == nullptr) return std::nullopt;
2612+
return SSL_CIPHER_get_name(cipher);
2613+
}
2614+
2615+
std::optional<std::string_view> SSLPointer::getCipherStandardName() const {
2616+
auto cipher = getCipher();
2617+
if (cipher == nullptr) return std::nullopt;
2618+
return SSL_CIPHER_standard_name(cipher);
2619+
}
2620+
2621+
std::optional<std::string_view> SSLPointer::getCipherVersion() const {
2622+
auto cipher = getCipher();
2623+
if (cipher == nullptr) return std::nullopt;
2624+
return SSL_CIPHER_get_version(cipher);
2625+
}
2626+
25882627
SSLCtxPointer::SSLCtxPointer(SSL_CTX* ctx) : ctx_(ctx) {}
25892628

25902629
SSLCtxPointer::SSLCtxPointer(SSLCtxPointer&& other) noexcept
@@ -2630,8 +2669,8 @@ bool SSLCtxPointer::setGroups(const char* groups) {
26302669

26312670
// ============================================================================
26322671

2633-
const Cipher Cipher::FromName(const char* name) {
2634-
return Cipher(EVP_get_cipherbyname(name));
2672+
const Cipher Cipher::FromName(std::string_view name) {
2673+
return Cipher(EVP_get_cipherbyname(name.data()));
26352674
}
26362675

26372676
const Cipher Cipher::FromNid(int nid) {
@@ -3813,4 +3852,93 @@ DataPointer hashDigest(const Buffer<const unsigned char>& buf,
38133852
return data.resize(result_size);
38143853
}
38153854

3855+
// ============================================================================
3856+
3857+
X509Name::X509Name() : name_(nullptr), total_(0) {}
3858+
3859+
X509Name::X509Name(const X509_NAME* name)
3860+
: name_(name), total_(X509_NAME_entry_count(name)) {}
3861+
3862+
X509Name::Iterator::Iterator(const X509Name& name, int pos)
3863+
: name_(name), loc_(pos) {}
3864+
3865+
X509Name::Iterator& X509Name::Iterator::operator++() {
3866+
++loc_;
3867+
return *this;
3868+
}
3869+
3870+
X509Name::Iterator::operator bool() const {
3871+
return loc_ < name_.total_;
3872+
}
3873+
3874+
bool X509Name::Iterator::operator==(const Iterator& other) const {
3875+
return loc_ == other.loc_;
3876+
}
3877+
3878+
bool X509Name::Iterator::operator!=(const Iterator& other) const {
3879+
return loc_ != other.loc_;
3880+
}
3881+
3882+
std::pair<std::string, std::string> X509Name::Iterator::operator*() const {
3883+
if (loc_ == name_.total_) return {{}, {}};
3884+
3885+
X509_NAME_ENTRY* entry = X509_NAME_get_entry(name_, loc_);
3886+
if (entry == nullptr) [[unlikely]]
3887+
return {{}, {}};
3888+
3889+
ASN1_OBJECT* name = X509_NAME_ENTRY_get_object(entry);
3890+
ASN1_STRING* value = X509_NAME_ENTRY_get_data(entry);
3891+
3892+
if (name == nullptr || value == nullptr) [[unlikely]] {
3893+
return {{}, {}};
3894+
}
3895+
3896+
int nid = OBJ_obj2nid(name);
3897+
std::string name_str;
3898+
if (nid != NID_undef) {
3899+
name_str = std::string(OBJ_nid2sn(nid));
3900+
} else {
3901+
char buf[80];
3902+
OBJ_obj2txt(buf, sizeof(buf), name, 0);
3903+
name_str = std::string(buf);
3904+
}
3905+
3906+
unsigned char* value_str;
3907+
int value_str_size = ASN1_STRING_to_UTF8(&value_str, value);
3908+
3909+
return {
3910+
std::move(name_str),
3911+
std::string(reinterpret_cast<const char*>(value_str), value_str_size)};
3912+
}
3913+
3914+
// ============================================================================
3915+
3916+
Dsa::Dsa() : dsa_(nullptr) {}
3917+
3918+
Dsa::Dsa(OSSL3_CONST DSA* dsa) : dsa_(dsa) {}
3919+
3920+
const BIGNUM* Dsa::getP() const {
3921+
if (dsa_ == nullptr) return nullptr;
3922+
const BIGNUM* p;
3923+
DSA_get0_pqg(dsa_, &p, nullptr, nullptr);
3924+
return p;
3925+
}
3926+
3927+
const BIGNUM* Dsa::getQ() const {
3928+
if (dsa_ == nullptr) return nullptr;
3929+
const BIGNUM* q;
3930+
DSA_get0_pqg(dsa_, nullptr, &q, nullptr);
3931+
return q;
3932+
}
3933+
3934+
size_t Dsa::getModulusLength() const {
3935+
if (dsa_ == nullptr) return 0;
3936+
return BignumPointer::GetBitCount(getP());
3937+
}
3938+
3939+
size_t Dsa::getDivisorLength() const {
3940+
if (dsa_ == nullptr) return 0;
3941+
return BignumPointer::GetBitCount(getQ());
3942+
}
3943+
38163944
} // namespace ncrypto

‎deps/ncrypto/ncrypto.h‎

Lines changed: 77 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -221,6 +221,7 @@ class ECDSASigPointer;
221221
class ECGroupPointer;
222222
class ECPointPointer;
223223
class ECKeyPointer;
224+
class Dsa;
224225
class Rsa;
225226
class Ec;
226227

@@ -267,7 +268,7 @@ class Cipher final {
267268

268269
bool isSupportedAuthenticatedMode() const;
269270

270-
static const Cipher FromName(const char* name);
271+
static const Cipher FromName(std::string_view name);
271272
static const Cipher FromNid(int nid);
272273
static const Cipher FromCtx(const CipherCtxPointer& ctx);
273274

@@ -292,10 +293,35 @@ class Cipher final {
292293
const CipherParams& params,
293294
const Buffer<const void> in);
294295

296+
static constexpr bool IsValidGCMTagLength(unsigned int tag_len) {
297+
return tag_len == 4 || tag_len == 8 || (tag_len >= 12 && tag_len <= 16);
298+
}
299+
295300
private:
296301
const EVP_CIPHER* cipher_ = nullptr;
297302
};
298303

304+
// ============================================================================
305+
// DSA
306+
307+
class Dsa final {
308+
public:
309+
Dsa();
310+
Dsa(OSSL3_CONST DSA* dsa);
311+
NCRYPTO_DISALLOW_COPY_AND_MOVE(Dsa)
312+
313+
inline operator bool() const { return dsa_ != nullptr; }
314+
inline operator OSSL3_CONST DSA*() const { return dsa_; }
315+
316+
const BIGNUM* getP() const;
317+
const BIGNUM* getQ() const;
318+
size_t getModulusLength() const;
319+
size_t getDivisorLength() const;
320+
321+
private:
322+
OSSL3_CONST DSA* dsa_;
323+
};
324+
299325
// ============================================================================
300326
// RSA
301327

@@ -384,7 +410,12 @@ class DataPointer final {
384410

385411
inline bool operator==(std::nullptr_t) noexcept { return data_ == nullptr; }
386412
inline operator bool() const { return data_ != nullptr; }
387-
inline void* get() const noexcept { return data_; }
413+
414+
template <typename T = void>
415+
inline T* get() const noexcept {
416+
return static_cast<T*>(data_);
417+
}
418+
388419
inline size_t size() const noexcept { return len_; }
389420
void reset(void* data = nullptr, size_t len = 0);
390421
void reset(const Buffer<void>& buffer);
@@ -762,6 +793,7 @@ class EVPKeyPointer final {
762793
std::optional<uint32_t> getBytesOfRS() const;
763794
int getDefaultSignPadding() const;
764795
operator Rsa() const;
796+
operator Dsa() const;
765797

766798
bool isRsaVariant() const;
767799
bool isOneShotVariant() const;
@@ -914,6 +946,10 @@ class SSLPointer final {
914946
const SSL_CIPHER* getCipher() const;
915947
bool isServer() const;
916948

949+
std::optional<std::string_view> getCipherName() const;
950+
std::optional<std::string_view> getCipherStandardName() const;
951+
std::optional<std::string_view> getCipherVersion() const;
952+
917953
std::optional<uint32_t> verifyPeerCertificate() const;
918954

919955
void getCiphers(std::function<void(const std::string_view)> cb) const;
@@ -925,6 +961,43 @@ class SSLPointer final {
925961
DeleteFnPtr<SSL, SSL_free> ssl_;
926962
};
927963

964+
class X509Name final {
965+
public:
966+
X509Name();
967+
explicit X509Name(const X509_NAME* name);
968+
NCRYPTO_DISALLOW_COPY_AND_MOVE(X509Name)
969+
970+
inline operator const X509_NAME*() const { return name_; }
971+
inline operator bool() const { return name_ != nullptr; }
972+
inline const X509_NAME* get() const { return name_; }
973+
inline size_t size() const { return total_; }
974+
975+
class Iterator final {
976+
public:
977+
Iterator(const X509Name& name, int pos);
978+
Iterator(const Iterator& other) = default;
979+
Iterator(Iterator&& other) = default;
980+
Iterator& operator=(const Iterator& other) = delete;
981+
Iterator& operator=(Iterator&& other) = delete;
982+
Iterator& operator++();
983+
operator bool() const;
984+
bool operator==(const Iterator& other) const;
985+
bool operator!=(const Iterator& other) const;
986+
std::pair<std::string, std::string> operator*() const;
987+
988+
private:
989+
const X509Name& name_;
990+
int loc_;
991+
};
992+
993+
inline Iterator begin() const { return Iterator(*this, 0); }
994+
inline Iterator end() const { return Iterator(*this, total_); }
995+
996+
private:
997+
const X509_NAME* name_;
998+
int total_;
999+
};
1000+
9281001
class X509View final {
9291002
public:
9301003
static X509View From(const SSLPointer& ssl);
@@ -946,6 +1019,8 @@ class X509View final {
9461019
BIOPointer toPEM() const;
9471020
BIOPointer toDER() const;
9481021

1022+
const X509Name getSubjectName() const;
1023+
const X509Name getIssuerName() const;
9491024
BIOPointer getSubject() const;
9501025
BIOPointer getSubjectAltName() const;
9511026
BIOPointer getIssuer() const;

‎src/crypto/README.md‎

Lines changed: 0 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -106,10 +106,6 @@ an `ArrayBuffer` (`v8::BackingStore`), or allocated data.
106106
* If allocated data is used, then it must have been allocated using OpenSSL's
107107
allocator. It will be freed automatically when the `ByteSource` is destroyed.
108108

109-
The `ByteSource::Builder` class can be used to allocate writable memory that can
110-
then be released as a `ByteSource`, making it read-only, or freed by destroying
111-
the `ByteSource::Builder` without releasing it as a `ByteSource`.
112-
113109
### `ArrayBufferOrViewContents`
114110

115111
The `ArrayBufferOrViewContents` class is a helper utility that abstracts

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