/src/boringssl/crypto/pem/pem_all.cc

Source
// 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 <stdio.h>

#include <openssl/bio.h>
#include <openssl/dh.h>
#include <openssl/dsa.h>
#include <openssl/evp.h>
#include <openssl/pem.h>
#include <openssl/pkcs7.h>
#include <openssl/rsa.h>
#include <openssl/x509.h>

static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey);

IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)

IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)

// We treat RSA or DSA private keys as a special case. For private keys we
// read in an EVP_PKEY structure with PEM_read_bio_PrivateKey() and extract
// the relevant private key: this means can handle "traditional" and PKCS#8
// formats transparently.
static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa) {
  if (!key) {
    return nullptr;
  }
  if (EVP_PKEY_id(key) != EVP_PKEY_RSA) {
    // Don't accept RSA-PSS keys in this function.
    OPENSSL_PUT_ERROR(EVP, EVP_R_EXPECTING_AN_RSA_KEY);
    return nullptr;
  }
  RSA *rtmp = EVP_PKEY_get1_RSA(key);
  if (!rtmp) {
    return nullptr;
  }
  if (rsa) {
    RSA_free(*rsa);
    *rsa = rtmp;
  }
  return rtmp;
}

RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
                                void *u) {
  bssl::UniquePtr<EVP_PKEY> pkey(PEM_read_bio_PrivateKey(bp, nullptr, cb, u));
  return pkey_get_rsa(pkey.get(), rsa);
}

RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, void *u) {
  bssl::UniquePtr<EVP_PKEY> pkey(PEM_read_PrivateKey(fp, nullptr, cb, u));
  return pkey_get_rsa(pkey.get(), rsa);
}

IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)


IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey)
IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY)
#ifndef OPENSSL_NO_DSA
static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa) {
  DSA *dtmp;
  if (!key) {
    return nullptr;
  }
  dtmp = EVP_PKEY_get1_DSA(key);
  EVP_PKEY_free(key);
  if (!dtmp) {
    return nullptr;
  }
  if (dsa) {
    DSA_free(*dsa);
    *dsa = dtmp;
  }
  return dtmp;
}

DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
                                void *u) {
  EVP_PKEY *pktmp;
  pktmp = PEM_read_bio_PrivateKey(bp, nullptr, cb, u);
  return pkey_get_dsa(pktmp, dsa);  // will free pktmp
}

IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)

IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, void *u) {
  EVP_PKEY *pktmp;
  pktmp = PEM_read_PrivateKey(fp, nullptr, cb, u);
  return pkey_get_dsa(pktmp, dsa);  // will free pktmp
}

IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
#endif
static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey) {
  EC_KEY *dtmp;
  if (!key) {
    return nullptr;
  }
  dtmp = EVP_PKEY_get1_EC_KEY(key);
  EVP_PKEY_free(key);
  if (!dtmp) {
    return nullptr;
  }
  if (eckey) {
    EC_KEY_free(*eckey);
    *eckey = dtmp;
  }
  return dtmp;
}

EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb,
                                  void *u) {
  EVP_PKEY *pktmp;
  pktmp = PEM_read_bio_PrivateKey(bp, nullptr, cb, u);
  return pkey_get_eckey(pktmp, key);  // will free pktmp
}

IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY,
                       ECPrivateKey)

IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb,
                              void *u) {
  EVP_PKEY *pktmp;
  pktmp = PEM_read_PrivateKey(fp, nullptr, cb, u);
  return pkey_get_eckey(pktmp, eckey);  // will free pktmp
}


IMPLEMENT_PEM_rw_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)

IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)

Line	Count	Source
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 <stdio.h>
16
17		#include <openssl/bio.h>
18		#include <openssl/dh.h>
19		#include <openssl/dsa.h>
20		#include <openssl/evp.h>
21		#include <openssl/pem.h>
22		#include <openssl/pkcs7.h>
23		#include <openssl/rsa.h>
24		#include <openssl/x509.h>
25
26		static RSA pkey_get_rsa(EVP_PKEY key, RSA **rsa);
27		static DSA pkey_get_dsa(EVP_PKEY key, DSA **dsa);
28		static EC_KEY pkey_get_eckey(EVP_PKEY key, EC_KEY **eckey);
29
30	0	IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ) Unexecuted instantiation: PEM_write_bio_X509_REQ Unexecuted instantiation: PEM_write_X509_REQ
31	0
32	0	IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ) Unexecuted instantiation: PEM_write_bio_X509_REQ_NEW Unexecuted instantiation: PEM_write_X509_REQ_NEW
33	0	IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL) Unexecuted instantiation: PEM_write_bio_X509_CRL Unexecuted instantiation: PEM_write_X509_CRL
34	0	IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7) Unexecuted instantiation: PEM_write_bio_PKCS7 Unexecuted instantiation: PEM_write_PKCS7
35	0
36	0	// We treat RSA or DSA private keys as a special case. For private keys we
37	0	// read in an EVP_PKEY structure with PEM_read_bio_PrivateKey() and extract
38	0	// the relevant private key: this means can handle "traditional" and PKCS#8
39	0	// formats transparently.
40	0	static RSA pkey_get_rsa(EVP_PKEY key, RSA **rsa) {
41	0	if (!key) {
42	0	return nullptr;
43	0	}
44	0	if (EVP_PKEY_id(key) != EVP_PKEY_RSA) {
45		// Don't accept RSA-PSS keys in this function.
46	0	OPENSSL_PUT_ERROR(EVP, EVP_R_EXPECTING_AN_RSA_KEY);
47	0	return nullptr;
48	0	}
49	0	RSA *rtmp = EVP_PKEY_get1_RSA(key);
50	0	if (!rtmp) {
51	0	return nullptr;
52	0	}
53	0	if (rsa) {
54	0	RSA_free(*rsa);
55	0	*rsa = rtmp;
56	0	}
57	0	return rtmp;
58	0	}
59
60		RSA PEM_read_bio_RSAPrivateKey(BIO bp, RSA *rsa, pem_password_cb cb,
61	0	void *u) {
62	0	bssl::UniquePtr<EVP_PKEY> pkey(PEM_read_bio_PrivateKey(bp, nullptr, cb, u));
63	0	return pkey_get_rsa(pkey.get(), rsa);
64	0	}
65
66	0	RSA PEM_read_RSAPrivateKey(FILE fp, RSA *rsa, pem_password_cb cb, void *u) {
67	0	bssl::UniquePtr<EVP_PKEY> pkey(PEM_read_PrivateKey(fp, nullptr, cb, u));
68	0	return pkey_get_rsa(pkey.get(), rsa);
69	0	}
70
71		IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)
72
73
74	0	IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey) Unexecuted instantiation: PEM_write_bio_RSAPublicKey Unexecuted instantiation: PEM_write_RSAPublicKey
75	0	IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY) Unexecuted instantiation: PEM_write_bio_RSA_PUBKEY Unexecuted instantiation: PEM_write_RSA_PUBKEY
76	0	#ifndef OPENSSL_NO_DSA
77	0	static DSA pkey_get_dsa(EVP_PKEY key, DSA **dsa) {
78	0	DSA *dtmp;
79	0	if (!key) {
80	0	return nullptr;
81	0	}
82	0	dtmp = EVP_PKEY_get1_DSA(key);
83	0	EVP_PKEY_free(key);
84	0	if (!dtmp) {
85	0	return nullptr;
86	0	}
87	0	if (dsa) {
88	0	DSA_free(*dsa);
89	0	*dsa = dtmp;
90	0	}
91	0	return dtmp;
92	0	}
93
94		DSA PEM_read_bio_DSAPrivateKey(BIO bp, DSA *dsa, pem_password_cb cb,
95	0	void *u) {
96	0	EVP_PKEY *pktmp;
97	0	pktmp = PEM_read_bio_PrivateKey(bp, nullptr, cb, u);
98	0	return pkey_get_dsa(pktmp, dsa); // will free pktmp
99	0	}
100
101		IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)
102
103	0	IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY) Unexecuted instantiation: PEM_write_bio_DSA_PUBKEY Unexecuted instantiation: PEM_write_DSA_PUBKEY
104	0	DSA PEM_read_DSAPrivateKey(FILE fp, DSA *dsa, pem_password_cb cb, void *u) {
105	0	EVP_PKEY *pktmp;
106	0	pktmp = PEM_read_PrivateKey(fp, nullptr, cb, u);
107	0	return pkey_get_dsa(pktmp, dsa); // will free pktmp
108	0	}
109
110	0	IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams) Unexecuted instantiation: PEM_write_bio_DSAparams Unexecuted instantiation: PEM_write_DSAparams
111	0	#endif
112	0	static EC_KEY pkey_get_eckey(EVP_PKEY key, EC_KEY **eckey) {
113	0	EC_KEY *dtmp;
114	0	if (!key) {
115	0	return nullptr;
116	0	}
117	0	dtmp = EVP_PKEY_get1_EC_KEY(key);
118	0	EVP_PKEY_free(key);
119	0	if (!dtmp) {
120	0	return nullptr;
121	0	}
122	0	if (eckey) {
123	0	EC_KEY_free(*eckey);
124	0	*eckey = dtmp;
125	0	}
126	0	return dtmp;
127	0	}
128
129		EC_KEY PEM_read_bio_ECPrivateKey(BIO bp, EC_KEY *key, pem_password_cb cb,
130	0	void *u) {
131	0	EVP_PKEY *pktmp;
132	0	pktmp = PEM_read_bio_PrivateKey(bp, nullptr, cb, u);
133	0	return pkey_get_eckey(pktmp, key); // will free pktmp
134	0	}
135
136		IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY,
137		ECPrivateKey)
138
139	0	IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY) Unexecuted instantiation: PEM_write_bio_EC_PUBKEY Unexecuted instantiation: PEM_write_EC_PUBKEY
140	0	EC_KEY PEM_read_ECPrivateKey(FILE fp, EC_KEY *eckey, pem_password_cb cb,
141	0	void *u) {
142	0	EVP_PKEY *pktmp;
143	0	pktmp = PEM_read_PrivateKey(fp, nullptr, cb, u);
144	0	return pkey_get_eckey(pktmp, eckey); // will free pktmp
145	0	}
146
147
148	0	IMPLEMENT_PEM_rw_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams) Unexecuted instantiation: PEM_write_bio_DHparams Unexecuted instantiation: PEM_write_DHparams
149	0
150		IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY) Unexecuted instantiation: PEM_write_bio_PUBKEY Unexecuted instantiation: PEM_write_PUBKEY

Coverage Report

Created: 2026-02-16 07:12