/src/boringssl/crypto/evp/evp.cc

Source (jump to first uncovered line)
// Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include <openssl/evp.h>

#include <assert.h>
#include <string.h>

#include <openssl/err.h>
#include <openssl/mem.h>
#include <openssl/nid.h>

#include "../internal.h"
#include "internal.h"


// Node depends on |EVP_R_NOT_XOF_OR_INVALID_LENGTH|.
//
// TODO(davidben): Fix Node to not touch the error queue itself and remove this.
OPENSSL_DECLARE_ERROR_REASON(EVP, NOT_XOF_OR_INVALID_LENGTH)

// The HPKE module uses the EVP error namespace, but it lives in another
// directory.
OPENSSL_DECLARE_ERROR_REASON(EVP, EMPTY_PSK)

EVP_PKEY *EVP_PKEY_new(void) {
  EVP_PKEY *ret =
      reinterpret_cast<EVP_PKEY *>(OPENSSL_zalloc(sizeof(EVP_PKEY)));
  if (ret == NULL) {
    return NULL;
  }

  ret->references = 1;
  return ret;
}

void EVP_PKEY_free(EVP_PKEY *pkey) {
  if (pkey == NULL) {
    return;
  }

  if (!CRYPTO_refcount_dec_and_test_zero(&pkey->references)) {
    return;
  }

  evp_pkey_set0(pkey, nullptr, nullptr);
  OPENSSL_free(pkey);
}

int EVP_PKEY_up_ref(EVP_PKEY *pkey) {
  CRYPTO_refcount_inc(&pkey->references);
  return 1;
}

int EVP_PKEY_is_opaque(const EVP_PKEY *pkey) {
  if (pkey->ameth && pkey->ameth->pkey_opaque) {
    return pkey->ameth->pkey_opaque(pkey);
  }
  return 0;
}

int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b) {
  if (EVP_PKEY_id(a) != EVP_PKEY_id(b)) {
    return -1;
  }

  if (a->ameth) {
    int ret;
    // Compare parameters if the algorithm has them
    if (a->ameth->param_cmp) {
      ret = a->ameth->param_cmp(a, b);
      if (ret <= 0) {
        return ret;
      }
    }

    if (a->ameth->pub_cmp) {
      return a->ameth->pub_cmp(a, b);
    }
  }

  return -2;
}

int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from) {
  if (EVP_PKEY_id(to) == EVP_PKEY_NONE) {
    // TODO(crbug.com/42290409): This shouldn't leave |to| in a half-empty state
    // on error. The complexity here largely comes from parameterless DSA keys,
    // which we no longer support, so this function can probably be trimmed
    // down.
    evp_pkey_set0(to, from->ameth, nullptr);
  } else if (EVP_PKEY_id(to) != EVP_PKEY_id(from)) {
    OPENSSL_PUT_ERROR(EVP, EVP_R_DIFFERENT_KEY_TYPES);
    return 0;
  }

  if (EVP_PKEY_missing_parameters(from)) {
    OPENSSL_PUT_ERROR(EVP, EVP_R_MISSING_PARAMETERS);
    return 0;
  }

  // Once set, parameters may not change.
  if (!EVP_PKEY_missing_parameters(to)) {
    if (EVP_PKEY_cmp_parameters(to, from) == 1) {
      return 1;
    }
    OPENSSL_PUT_ERROR(EVP, EVP_R_DIFFERENT_PARAMETERS);
    return 0;
  }

  if (from->ameth && from->ameth->param_copy) {
    return from->ameth->param_copy(to, from);
  }

  // TODO(https://crbug.com/42290406): If the algorithm takes no parameters,
  // copying them should vacuously succeed. Better yet, simplify this whole
  // notion of parameter copying above.
  return 0;
}

int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) {
  if (pkey->ameth && pkey->ameth->param_missing) {
    return pkey->ameth->param_missing(pkey);
  }
  return 0;
}

int EVP_PKEY_size(const EVP_PKEY *pkey) {
  if (pkey && pkey->ameth && pkey->ameth->pkey_size) {
    return pkey->ameth->pkey_size(pkey);
  }
  return 0;
}

int EVP_PKEY_bits(const EVP_PKEY *pkey) {
  if (pkey && pkey->ameth && pkey->ameth->pkey_bits) {
    return pkey->ameth->pkey_bits(pkey);
  }
  return 0;
}

int EVP_PKEY_id(const EVP_PKEY *pkey) {
  return pkey->ameth != nullptr ? pkey->ameth->pkey_id : EVP_PKEY_NONE;
}

void evp_pkey_set0(EVP_PKEY *pkey, const EVP_PKEY_ASN1_METHOD *method,
                   void *pkey_data) {
  if (pkey->ameth && pkey->ameth->pkey_free) {
    pkey->ameth->pkey_free(pkey);
  }
  pkey->ameth = method;
  pkey->pkey = pkey_data;
}

int EVP_PKEY_type(int nid) {
  // In OpenSSL, this was used to map between type aliases. BoringSSL supports
  // no type aliases, so this function is just the identity.
  return nid;
}

int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) {
  // This function can only be used to assign RSA, DSA, EC, and DH keys. Other
  // key types have internal representations which are not exposed through the
  // public API.
  switch (type) {
    case EVP_PKEY_RSA:
      return EVP_PKEY_assign_RSA(pkey, reinterpret_cast<RSA *>(key));
    case EVP_PKEY_DSA:
      return EVP_PKEY_assign_DSA(pkey, reinterpret_cast<DSA *>(key));
    case EVP_PKEY_EC:
      return EVP_PKEY_assign_EC_KEY(pkey, reinterpret_cast<EC_KEY *>(key));
    case EVP_PKEY_DH:
      return EVP_PKEY_assign_DH(pkey, reinterpret_cast<DH *>(key));
  }

  OPENSSL_PUT_ERROR(EVP, EVP_R_UNSUPPORTED_ALGORITHM);
  ERR_add_error_dataf("algorithm %d", type);
  return 0;
}

int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) {
  if (pkey && pkey->pkey) {
    // Some callers rely on |pkey| getting cleared even if |type| is
    // unsupported, usually setting |type| to |EVP_PKEY_NONE|.
    evp_pkey_set0(pkey, nullptr, nullptr);
  }

  // This function broadly isn't useful. It initializes |EVP_PKEY| for a type,
  // but forgets to put anything in the |pkey|. The one pattern where it does
  // anything is |EVP_PKEY_X25519|, where it's needed to make
  // |EVP_PKEY_set1_tls_encodedpoint| work, so we support only that.
  const EVP_PKEY_ASN1_METHOD *ameth;
  if (type == EVP_PKEY_X25519) {
    ameth = &x25519_asn1_meth;
  } else {
    OPENSSL_PUT_ERROR(EVP, EVP_R_UNSUPPORTED_ALGORITHM);
    ERR_add_error_dataf("algorithm %d", type);
    return 0;
  }

  if (pkey) {
    evp_pkey_set0(pkey, ameth, nullptr);
  }

  return 1;
}

EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *unused,
                                       const uint8_t *in, size_t len) {
  // To avoid pulling in all key types, look for specifically the key types that
  // support |set_priv_raw|.
  const EVP_PKEY_ASN1_METHOD *method;
  switch (type) {
    case EVP_PKEY_X25519:
      method = &x25519_asn1_meth;
      break;
    case EVP_PKEY_ED25519:
      method = &ed25519_asn1_meth;
      break;
    default:
      OPENSSL_PUT_ERROR(EVP, EVP_R_UNSUPPORTED_ALGORITHM);
      return nullptr;
  }

  bssl::UniquePtr<EVP_PKEY> ret(EVP_PKEY_new());
  if (ret == nullptr ||  //
      !method->set_priv_raw(ret.get(), in, len)) {
    return nullptr;
  }

  return ret.release();
}

EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *unused,
                                      const uint8_t *in, size_t len) {
  // To avoid pulling in all key types, look for specifically the key types that
  // support |set_pub_raw|.
  const EVP_PKEY_ASN1_METHOD *method;
  switch (type) {
    case EVP_PKEY_X25519:
      method = &x25519_asn1_meth;
      break;
    case EVP_PKEY_ED25519:
      method = &ed25519_asn1_meth;
      break;
    default:
      OPENSSL_PUT_ERROR(EVP, EVP_R_UNSUPPORTED_ALGORITHM);
      return nullptr;
  }

  bssl::UniquePtr<EVP_PKEY> ret(EVP_PKEY_new());
  if (ret == nullptr ||  //
      !method->set_pub_raw(ret.get(), in, len)) {
    return nullptr;
  }

  return ret.release();
}

int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, uint8_t *out,
                                 size_t *out_len) {
  if (pkey->ameth->get_priv_raw == NULL) {
    OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
    return 0;
  }

  return pkey->ameth->get_priv_raw(pkey, out, out_len);
}

int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, uint8_t *out,
                                size_t *out_len) {
  if (pkey->ameth->get_pub_raw == NULL) {
    OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
    return 0;
  }

  return pkey->ameth->get_pub_raw(pkey, out, out_len);
}

int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b) {
  if (EVP_PKEY_id(a) != EVP_PKEY_id(b)) {
    return -1;
  }
  if (a->ameth && a->ameth->param_cmp) {
    return a->ameth->param_cmp(a, b);
  }
  // TODO(https://crbug.com/boringssl/536): If the algorithm doesn't use
  // parameters, they should compare as vacuously equal.
  return -2;
}

int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md) {
  return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD, 0,
                           (void *)md);
}

int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **out_md) {
  return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_GET_MD,
                           0, (void *)out_md);
}

void *EVP_PKEY_get0(const EVP_PKEY *pkey) {
  // Node references, but never calls this function, so for now we return NULL.
  // If other projects require complete support, call |EVP_PKEY_get0_RSA|, etc.,
  // rather than reading |pkey->pkey| directly. This avoids problems if our
  // internal representation does not match the type the caller expects from
  // OpenSSL.
  return NULL;
}

void OpenSSL_add_all_algorithms(void) {}

void OPENSSL_add_all_algorithms_conf(void) {}

void OpenSSL_add_all_ciphers(void) {}

void OpenSSL_add_all_digests(void) {}

void EVP_cleanup(void) {}

int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey, const uint8_t *in,
                                   size_t len) {
  if (pkey->ameth->set1_tls_encodedpoint == NULL) {
    OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
    return 0;
  }

  return pkey->ameth->set1_tls_encodedpoint(pkey, in, len);
}

size_t EVP_PKEY_get1_tls_encodedpoint(const EVP_PKEY *pkey, uint8_t **out_ptr) {
  if (pkey->ameth->get1_tls_encodedpoint == NULL) {
    OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
    return 0;
  }

  return pkey->ameth->get1_tls_encodedpoint(pkey, out_ptr);
}

int EVP_PKEY_base_id(const EVP_PKEY *pkey) {
  // OpenSSL has two notions of key type because it supports multiple OIDs for
  // the same algorithm: NID_rsa vs NID_rsaEncryption and five distinct spelling
  // of DSA. We do not support these, so the base ID is simply the ID.
  return EVP_PKEY_id(pkey);
}

Coverage Report

Created: 2025-08-28 06:59

Line	Count	Source (jump to first uncovered line)
1		// Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
2		//
3		// Licensed under the Apache License, Version 2.0 (the "License");
4		// you may not use this file except in compliance with the License.
5		// You may obtain a copy of the License at
6		//
7		// https://www.apache.org/licenses/LICENSE-2.0
8		//
9		// Unless required by applicable law or agreed to in writing, software
10		// distributed under the License is distributed on an "AS IS" BASIS,
11		// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12		// See the License for the specific language governing permissions and
13		// limitations under the License.
14
15		#include <openssl/evp.h>
16
17		#include <assert.h>
18		#include <string.h>
19
20		#include <openssl/err.h>
21		#include <openssl/mem.h>
22		#include <openssl/nid.h>
23
24		#include "../internal.h"
25		#include "internal.h"
26
27
28		// Node depends on \|EVP_R_NOT_XOF_OR_INVALID_LENGTH\|.
29		//
30		// TODO(davidben): Fix Node to not touch the error queue itself and remove this.
31		OPENSSL_DECLARE_ERROR_REASON(EVP, NOT_XOF_OR_INVALID_LENGTH)
32
33		// The HPKE module uses the EVP error namespace, but it lives in another
34		// directory.
35		OPENSSL_DECLARE_ERROR_REASON(EVP, EMPTY_PSK)
36
37	272k	EVP_PKEY *EVP_PKEY_new(void) {
38	272k	EVP_PKEY *ret =
39	272k	reinterpret_cast<EVP_PKEY *>(OPENSSL_zalloc(sizeof(EVP_PKEY)));
40	272k	if (ret == NULL) {
41	0	return NULL;
42	0	}
43
44	272k	ret->references = 1;
45	272k	return ret;
46	272k	}
47
48	1.29M	void EVP_PKEY_free(EVP_PKEY *pkey) {
49	1.29M	if (pkey == NULL) {
50	476k	return;
51	476k	}
52
53	819k	if (!CRYPTO_refcount_dec_and_test_zero(&pkey->references)) {
54	547k	return;
55	547k	}
56
57	272k	evp_pkey_set0(pkey, nullptr, nullptr);
58	272k	OPENSSL_free(pkey);
59	272k	}
60
61	547k	int EVP_PKEY_up_ref(EVP_PKEY *pkey) {
62	547k	CRYPTO_refcount_inc(&pkey->references);
63	547k	return 1;
64	547k	}
65
66	11.0k	int EVP_PKEY_is_opaque(const EVP_PKEY *pkey) {
67	11.0k	if (pkey->ameth && pkey->ameth->pkey_opaque) {
68	11.0k	return pkey->ameth->pkey_opaque(pkey);
69	11.0k	}
70	0	return 0;
71	11.0k	}
72
73	11.0k	int EVP_PKEY_cmp(const EVP_PKEY a, const EVP_PKEY b) {
74	11.0k	if (EVP_PKEY_id(a) != EVP_PKEY_id(b)) {
75	0	return -1;
76	0	}
77
78	11.0k	if (a->ameth) {
79	11.0k	int ret;
80		// Compare parameters if the algorithm has them
81	11.0k	if (a->ameth->param_cmp) {
82	0	ret = a->ameth->param_cmp(a, b);
83	0	if (ret <= 0) {
84	0	return ret;
85	0	}
86	0	}
87
88	11.0k	if (a->ameth->pub_cmp) {
89	11.0k	return a->ameth->pub_cmp(a, b);
90	11.0k	}
91	11.0k	}
92
93	0	return -2;
94	11.0k	}
95
96	0	int EVP_PKEY_copy_parameters(EVP_PKEY to, const EVP_PKEY from) {
97	0	if (EVP_PKEY_id(to) == EVP_PKEY_NONE) {
98		// TODO(crbug.com/42290409): This shouldn't leave \|to\| in a half-empty state
99		// on error. The complexity here largely comes from parameterless DSA keys,
100		// which we no longer support, so this function can probably be trimmed
101		// down.
102	0	evp_pkey_set0(to, from->ameth, nullptr);
103	0	} else if (EVP_PKEY_id(to) != EVP_PKEY_id(from)) {
104	0	OPENSSL_PUT_ERROR(EVP, EVP_R_DIFFERENT_KEY_TYPES);
105	0	return 0;
106	0	}
107
108	0	if (EVP_PKEY_missing_parameters(from)) {
109	0	OPENSSL_PUT_ERROR(EVP, EVP_R_MISSING_PARAMETERS);
110	0	return 0;
111	0	}
112
113		// Once set, parameters may not change.
114	0	if (!EVP_PKEY_missing_parameters(to)) {
115	0	if (EVP_PKEY_cmp_parameters(to, from) == 1) {
116	0	return 1;
117	0	}
118	0	OPENSSL_PUT_ERROR(EVP, EVP_R_DIFFERENT_PARAMETERS);
119	0	return 0;
120	0	}
121
122	0	if (from->ameth && from->ameth->param_copy) {
123	0	return from->ameth->param_copy(to, from);
124	0	}
125
126		// TODO(https://crbug.com/42290406): If the algorithm takes no parameters,
127		// copying them should vacuously succeed. Better yet, simplify this whole
128		// notion of parameter copying above.
129	0	return 0;
130	0	}
131
132	0	int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey) {
133	0	if (pkey->ameth && pkey->ameth->param_missing) {
134	0	return pkey->ameth->param_missing(pkey);
135	0	}
136	0	return 0;
137	0	}
138
139	217k	int EVP_PKEY_size(const EVP_PKEY *pkey) {
140	217k	if (pkey && pkey->ameth && pkey->ameth->pkey_size) {
141	217k	return pkey->ameth->pkey_size(pkey);
142	217k	}
143	0	return 0;
144	217k	}
145
146	0	int EVP_PKEY_bits(const EVP_PKEY *pkey) {
147	0	if (pkey && pkey->ameth && pkey->ameth->pkey_bits) {
148	0	return pkey->ameth->pkey_bits(pkey);
149	0	}
150	0	return 0;
151	0	}
152
153	705k	int EVP_PKEY_id(const EVP_PKEY *pkey) {
154	705k	return pkey->ameth != nullptr ? pkey->ameth->pkey_id : EVP_PKEY_NONE;
155	705k	}
156
157		void evp_pkey_set0(EVP_PKEY pkey, const EVP_PKEY_ASN1_METHOD method,
158	452k	void *pkey_data) {
159	452k	if (pkey->ameth && pkey->ameth->pkey_free) {
160	180k	pkey->ameth->pkey_free(pkey);
161	180k	}
162	452k	pkey->ameth = method;
163	452k	pkey->pkey = pkey_data;
164	452k	}
165
166	0	int EVP_PKEY_type(int nid) {
167		// In OpenSSL, this was used to map between type aliases. BoringSSL supports
168		// no type aliases, so this function is just the identity.
169	0	return nid;
170	0	}
171
172	0	int EVP_PKEY_assign(EVP_PKEY pkey, int type, void key) {
173		// This function can only be used to assign RSA, DSA, EC, and DH keys. Other
174		// key types have internal representations which are not exposed through the
175		// public API.
176	0	switch (type) {
177	0	case EVP_PKEY_RSA:
178	0	return EVP_PKEY_assign_RSA(pkey, reinterpret_cast<RSA *>(key));
179	0	case EVP_PKEY_DSA:
180	0	return EVP_PKEY_assign_DSA(pkey, reinterpret_cast<DSA *>(key));
181	0	case EVP_PKEY_EC:
182	0	return EVP_PKEY_assign_EC_KEY(pkey, reinterpret_cast<EC_KEY *>(key));
183	0	case EVP_PKEY_DH:
184	0	return EVP_PKEY_assign_DH(pkey, reinterpret_cast<DH *>(key));
185	0	}
186
187	0	OPENSSL_PUT_ERROR(EVP, EVP_R_UNSUPPORTED_ALGORITHM);
188	0	ERR_add_error_dataf("algorithm %d", type);
189	0	return 0;
190	0	}
191
192	0	int EVP_PKEY_set_type(EVP_PKEY *pkey, int type) {
193	0	if (pkey && pkey->pkey) {
194		// Some callers rely on \|pkey\| getting cleared even if \|type\| is
195		// unsupported, usually setting \|type\| to \|EVP_PKEY_NONE\|.
196	0	evp_pkey_set0(pkey, nullptr, nullptr);
197	0	}
198
199		// This function broadly isn't useful. It initializes \|EVP_PKEY\| for a type,
200		// but forgets to put anything in the \|pkey\|. The one pattern where it does
201		// anything is \|EVP_PKEY_X25519\|, where it's needed to make
202		// \|EVP_PKEY_set1_tls_encodedpoint\| work, so we support only that.
203	0	const EVP_PKEY_ASN1_METHOD *ameth;
204	0	if (type == EVP_PKEY_X25519) {
205	0	ameth = &x25519_asn1_meth;
206	0	} else {
207	0	OPENSSL_PUT_ERROR(EVP, EVP_R_UNSUPPORTED_ALGORITHM);
208	0	ERR_add_error_dataf("algorithm %d", type);
209	0	return 0;
210	0	}
211
212	0	if (pkey) {
213	0	evp_pkey_set0(pkey, ameth, nullptr);
214	0	}
215
216	0	return 1;
217	0	}
218
219		EVP_PKEY EVP_PKEY_new_raw_private_key(int type, ENGINE unused,
220	0	const uint8_t *in, size_t len) {
221		// To avoid pulling in all key types, look for specifically the key types that
222		// support \|set_priv_raw\|.
223	0	const EVP_PKEY_ASN1_METHOD *method;
224	0	switch (type) {
225	0	case EVP_PKEY_X25519:
226	0	method = &x25519_asn1_meth;
227	0	break;
228	0	case EVP_PKEY_ED25519:
229	0	method = &ed25519_asn1_meth;
230	0	break;
231	0	default:
232	0	OPENSSL_PUT_ERROR(EVP, EVP_R_UNSUPPORTED_ALGORITHM);
233	0	return nullptr;
234	0	}
235
236	0	bssl::UniquePtr<EVP_PKEY> ret(EVP_PKEY_new());
237	0	if (ret == nullptr \|\| //
238	0	!method->set_priv_raw(ret.get(), in, len)) {
239	0	return nullptr;
240	0	}
241
242	0	return ret.release();
243	0	}
244
245		EVP_PKEY EVP_PKEY_new_raw_public_key(int type, ENGINE unused,
246	0	const uint8_t *in, size_t len) {
247		// To avoid pulling in all key types, look for specifically the key types that
248		// support \|set_pub_raw\|.
249	0	const EVP_PKEY_ASN1_METHOD *method;
250	0	switch (type) {
251	0	case EVP_PKEY_X25519:
252	0	method = &x25519_asn1_meth;
253	0	break;
254	0	case EVP_PKEY_ED25519:
255	0	method = &ed25519_asn1_meth;
256	0	break;
257	0	default:
258	0	OPENSSL_PUT_ERROR(EVP, EVP_R_UNSUPPORTED_ALGORITHM);
259	0	return nullptr;
260	0	}
261
262	0	bssl::UniquePtr<EVP_PKEY> ret(EVP_PKEY_new());
263	0	if (ret == nullptr \|\| //
264	0	!method->set_pub_raw(ret.get(), in, len)) {
265	0	return nullptr;
266	0	}
267
268	0	return ret.release();
269	0	}
270
271		int EVP_PKEY_get_raw_private_key(const EVP_PKEY pkey, uint8_t out,
272	0	size_t *out_len) {
273	0	if (pkey->ameth->get_priv_raw == NULL) {
274	0	OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
275	0	return 0;
276	0	}
277
278	0	return pkey->ameth->get_priv_raw(pkey, out, out_len);
279	0	}
280
281		int EVP_PKEY_get_raw_public_key(const EVP_PKEY pkey, uint8_t out,
282	0	size_t *out_len) {
283	0	if (pkey->ameth->get_pub_raw == NULL) {
284	0	OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
285	0	return 0;
286	0	}
287
288	0	return pkey->ameth->get_pub_raw(pkey, out, out_len);
289	0	}
290
291	0	int EVP_PKEY_cmp_parameters(const EVP_PKEY a, const EVP_PKEY b) {
292	0	if (EVP_PKEY_id(a) != EVP_PKEY_id(b)) {
293	0	return -1;
294	0	}
295	0	if (a->ameth && a->ameth->param_cmp) {
296	0	return a->ameth->param_cmp(a, b);
297	0	}
298		// TODO(https://crbug.com/boringssl/536): If the algorithm doesn't use
299		// parameters, they should compare as vacuously equal.
300	0	return -2;
301	0	}
302
303	99.2k	int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX ctx, const EVP_MD md) {
304	99.2k	return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD, 0,
305	99.2k	(void *)md);
306	99.2k	}
307
308	0	int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX ctx, const EVP_MD *out_md) {
309	0	return EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_GET_MD,
310	0	0, (void *)out_md);
311	0	}
312
313	0	void EVP_PKEY_get0(const EVP_PKEY pkey) {
314		// Node references, but never calls this function, so for now we return NULL.
315		// If other projects require complete support, call \|EVP_PKEY_get0_RSA\|, etc.,
316		// rather than reading \|pkey->pkey\| directly. This avoids problems if our
317		// internal representation does not match the type the caller expects from
318		// OpenSSL.
319	0	return NULL;
320	0	}
321
322	0	void OpenSSL_add_all_algorithms(void) {}
323
324	0	void OPENSSL_add_all_algorithms_conf(void) {}
325
326	0	void OpenSSL_add_all_ciphers(void) {}
327
328	0	void OpenSSL_add_all_digests(void) {}
329
330	0	void EVP_cleanup(void) {}
331
332		int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY pkey, const uint8_t in,
333	0	size_t len) {
334	0	if (pkey->ameth->set1_tls_encodedpoint == NULL) {
335	0	OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
336	0	return 0;
337	0	}
338
339	0	return pkey->ameth->set1_tls_encodedpoint(pkey, in, len);
340	0	}
341
342	0	size_t EVP_PKEY_get1_tls_encodedpoint(const EVP_PKEY pkey, uint8_t *out_ptr) {
343	0	if (pkey->ameth->get1_tls_encodedpoint == NULL) {
344	0	OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
345	0	return 0;
346	0	}
347
348	0	return pkey->ameth->get1_tls_encodedpoint(pkey, out_ptr);
349	0	}
350
351	0	int EVP_PKEY_base_id(const EVP_PKEY *pkey) {
352		// OpenSSL has two notions of key type because it supports multiple OIDs for
353		// the same algorithm: NID_rsa vs NID_rsaEncryption and five distinct spelling
354		// of DSA. We do not support these, so the base ID is simply the ID.
355	0	return EVP_PKEY_id(pkey);
356	0	}