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

Source (jump to first uncovered line)
// Copyright 2006-2016 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 <openssl/bio.h>
#include <openssl/bn.h>
#include <openssl/dsa.h>
#include <openssl/ec.h>
#include <openssl/ec_key.h>
#include <openssl/mem.h>
#include <openssl/rsa.h>

#include "../fipsmodule/rsa/internal.h"
#include "../internal.h"


static int print_hex(BIO *bp, const uint8_t *data, size_t len, int off) {
  for (size_t i = 0; i < len; i++) {
    if ((i % 15) == 0) {
      if (BIO_puts(bp, "\n") <= 0 ||  //
          !BIO_indent(bp, off + 4, 128)) {
        return 0;
      }
    }
    if (BIO_printf(bp, "%02x%s", data[i], (i + 1 == len) ? "" : ":") <= 0) {
      return 0;
    }
  }
  if (BIO_write(bp, "\n", 1) <= 0) {
    return 0;
  }
  return 1;
}

static int bn_print(BIO *bp, const char *name, const BIGNUM *num, int off) {
  if (num == NULL) {
    return 1;
  }

  if (!BIO_indent(bp, off, 128)) {
    return 0;
  }
  if (BN_is_zero(num)) {
    if (BIO_printf(bp, "%s 0\n", name) <= 0) {
      return 0;
    }
    return 1;
  }

  uint64_t u64;
  if (BN_get_u64(num, &u64)) {
    const char *neg = BN_is_negative(num) ? "-" : "";
    return BIO_printf(bp, "%s %s%" PRIu64 " (%s0x%" PRIx64 ")\n", name, neg,
                      u64, neg, u64) > 0;
  }

  if (BIO_printf(bp, "%s%s", name,
                 (BN_is_negative(num)) ? " (Negative)" : "") <= 0) {
    return 0;
  }

  // Print |num| in hex, adding a leading zero, as in ASN.1, if the high bit
  // is set.
  //
  // TODO(davidben): Do we need to do this? We already print "(Negative)" above
  // and negative values are never valid in keys anyway.
  size_t len = BN_num_bytes(num);
  uint8_t *buf = reinterpret_cast<uint8_t *>(OPENSSL_malloc(len + 1));
  if (buf == NULL) {
    return 0;
  }

  buf[0] = 0;
  BN_bn2bin(num, buf + 1);
  int ret;
  if (len > 0 && (buf[1] & 0x80) != 0) {
    // Print the whole buffer.
    ret = print_hex(bp, buf, len + 1, off);
  } else {
    // Skip the leading zero.
    ret = print_hex(bp, buf + 1, len, off);
  }
  OPENSSL_free(buf);
  return ret;
}

// RSA keys.

static int do_rsa_print(BIO *out, const RSA *rsa, int off,
                        int include_private) {
  int mod_len = 0;
  if (rsa->n != NULL) {
    mod_len = BN_num_bits(rsa->n);
  }

  if (!BIO_indent(out, off, 128)) {
    return 0;
  }

  const char *s, *str;
  if (include_private && rsa->d) {
    if (BIO_printf(out, "Private-Key: (%d bit)\n", mod_len) <= 0) {
      return 0;
    }
    str = "modulus:";
    s = "publicExponent:";
  } else {
    if (BIO_printf(out, "Public-Key: (%d bit)\n", mod_len) <= 0) {
      return 0;
    }
    str = "Modulus:";
    s = "Exponent:";
  }
  if (!bn_print(out, str, rsa->n, off) || !bn_print(out, s, rsa->e, off)) {
    return 0;
  }

  if (include_private) {
    if (!bn_print(out, "privateExponent:", rsa->d, off) ||
        !bn_print(out, "prime1:", rsa->p, off) ||
        !bn_print(out, "prime2:", rsa->q, off) ||
        !bn_print(out, "exponent1:", rsa->dmp1, off) ||
        !bn_print(out, "exponent2:", rsa->dmq1, off) ||
        !bn_print(out, "coefficient:", rsa->iqmp, off)) {
      return 0;
    }
  }

  return 1;
}

static int rsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent) {
  return do_rsa_print(bp, EVP_PKEY_get0_RSA(pkey), indent, 0);
}

static int rsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent) {
  return do_rsa_print(bp, EVP_PKEY_get0_RSA(pkey), indent, 1);
}


// DSA keys.

static int do_dsa_print(BIO *bp, const DSA *x, int off, int ptype) {
  const BIGNUM *priv_key = NULL;
  if (ptype == 2) {
    priv_key = DSA_get0_priv_key(x);
  }

  const BIGNUM *pub_key = NULL;
  if (ptype > 0) {
    pub_key = DSA_get0_pub_key(x);
  }

  const char *ktype = "DSA-Parameters";
  if (ptype == 2) {
    ktype = "Private-Key";
  } else if (ptype == 1) {
    ktype = "Public-Key";
  }

  if (!BIO_indent(bp, off, 128) ||
      BIO_printf(bp, "%s: (%u bit)\n", ktype, BN_num_bits(DSA_get0_p(x))) <=
          0 ||
      // |priv_key| and |pub_key| may be NULL, in which case |bn_print| will
      // silently skip them.
      !bn_print(bp, "priv:", priv_key, off) ||
      !bn_print(bp, "pub:", pub_key, off) ||
      !bn_print(bp, "P:", DSA_get0_p(x), off) ||
      !bn_print(bp, "Q:", DSA_get0_q(x), off) ||
      !bn_print(bp, "G:", DSA_get0_g(x), off)) {
    return 0;
  }

  return 1;
}

static int dsa_param_print(BIO *bp, const EVP_PKEY *pkey, int indent) {
  return do_dsa_print(bp, EVP_PKEY_get0_DSA(pkey), indent, 0);
}

static int dsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent) {
  return do_dsa_print(bp, EVP_PKEY_get0_DSA(pkey), indent, 1);
}

static int dsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent) {
  return do_dsa_print(bp, EVP_PKEY_get0_DSA(pkey), indent, 2);
}


// EC keys.

static int do_EC_KEY_print(BIO *bp, const EC_KEY *x, int off, int ktype) {
  const EC_GROUP *group;
  if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL) {
    OPENSSL_PUT_ERROR(EVP, ERR_R_PASSED_NULL_PARAMETER);
    return 0;
  }

  const char *ecstr;
  if (ktype == 2) {
    ecstr = "Private-Key";
  } else if (ktype == 1) {
    ecstr = "Public-Key";
  } else {
    ecstr = "ECDSA-Parameters";
  }

  if (!BIO_indent(bp, off, 128)) {
    return 0;
  }
  int curve_name = EC_GROUP_get_curve_name(group);
  if (BIO_printf(bp, "%s: (%s)\n", ecstr,
                 curve_name == NID_undef
                     ? "unknown curve"
                     : EC_curve_nid2nist(curve_name)) <= 0) {
    return 0;
  }

  if (ktype == 2) {
    const BIGNUM *priv_key = EC_KEY_get0_private_key(x);
    if (priv_key != NULL &&  //
        !bn_print(bp, "priv:", priv_key, off)) {
      return 0;
    }
  }

  if (ktype > 0 && EC_KEY_get0_public_key(x) != NULL) {
    uint8_t *pub = NULL;
    size_t pub_len = EC_KEY_key2buf(x, EC_KEY_get_conv_form(x), &pub, NULL);
    if (pub_len == 0) {
      return 0;
    }
    int ret = BIO_indent(bp, off, 128) &&  //
              BIO_puts(bp, "pub:") > 0 &&  //
              print_hex(bp, pub, pub_len, off);
    OPENSSL_free(pub);
    if (!ret) {
      return 0;
    }
  }

  return 1;
}

static int eckey_param_print(BIO *bp, const EVP_PKEY *pkey, int indent) {
  return do_EC_KEY_print(bp, EVP_PKEY_get0_EC_KEY(pkey), indent, 0);
}

static int eckey_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent) {
  return do_EC_KEY_print(bp, EVP_PKEY_get0_EC_KEY(pkey), indent, 1);
}


static int eckey_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent) {
  return do_EC_KEY_print(bp, EVP_PKEY_get0_EC_KEY(pkey), indent, 2);
}


typedef struct {
  int type;
  int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent);
  int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent);
  int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent);
} EVP_PKEY_PRINT_METHOD;

static EVP_PKEY_PRINT_METHOD kPrintMethods[] = {
    {
        EVP_PKEY_RSA,
        rsa_pub_print,
        rsa_priv_print,
        NULL /* param_print */,
    },
    {
        EVP_PKEY_DSA,
        dsa_pub_print,
        dsa_priv_print,
        dsa_param_print,
    },
    {
        EVP_PKEY_EC,
        eckey_pub_print,
        eckey_priv_print,
        eckey_param_print,
    },
};

static size_t kPrintMethodsLen = OPENSSL_ARRAY_SIZE(kPrintMethods);

static EVP_PKEY_PRINT_METHOD *find_method(int type) {
  for (size_t i = 0; i < kPrintMethodsLen; i++) {
    if (kPrintMethods[i].type == type) {
      return &kPrintMethods[i];
    }
  }
  return NULL;
}

static int print_unsupported(BIO *out, const EVP_PKEY *pkey, int indent,
                             const char *kstr) {
  BIO_indent(out, indent, 128);
  BIO_printf(out, "%s algorithm unsupported\n", kstr);
  return 1;
}

int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, int indent,
                          ASN1_PCTX *pctx) {
  EVP_PKEY_PRINT_METHOD *method = find_method(EVP_PKEY_id(pkey));
  if (method != NULL && method->pub_print != NULL) {
    return method->pub_print(out, pkey, indent);
  }
  return print_unsupported(out, pkey, indent, "Public Key");
}

int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, int indent,
                           ASN1_PCTX *pctx) {
  EVP_PKEY_PRINT_METHOD *method = find_method(EVP_PKEY_id(pkey));
  if (method != NULL && method->priv_print != NULL) {
    return method->priv_print(out, pkey, indent);
  }
  return print_unsupported(out, pkey, indent, "Private Key");
}

int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, int indent,
                          ASN1_PCTX *pctx) {
  EVP_PKEY_PRINT_METHOD *method = find_method(EVP_PKEY_id(pkey));
  if (method != NULL && method->param_print != NULL) {
    return method->param_print(out, pkey, indent);
  }
  return print_unsupported(out, pkey, indent, "Parameters");
}

Coverage Report

Created: 2025-06-11 06:41

Line	Count	Source (jump to first uncovered line)
1		// Copyright 2006-2016 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 <openssl/bio.h>
18		#include <openssl/bn.h>
19		#include <openssl/dsa.h>
20		#include <openssl/ec.h>
21		#include <openssl/ec_key.h>
22		#include <openssl/mem.h>
23		#include <openssl/rsa.h>
24
25		#include "../fipsmodule/rsa/internal.h"
26		#include "../internal.h"
27
28
29	0	static int print_hex(BIO bp, const uint8_t data, size_t len, int off) {
30	0	for (size_t i = 0; i < len; i++) {
31	0	if ((i % 15) == 0) {
32	0	if (BIO_puts(bp, "\n") <= 0 \|\| //
33	0	!BIO_indent(bp, off + 4, 128)) {
34	0	return 0;
35	0	}
36	0	}
37	0	if (BIO_printf(bp, "%02x%s", data[i], (i + 1 == len) ? "" : ":") <= 0) {
38	0	return 0;
39	0	}
40	0	}
41	0	if (BIO_write(bp, "\n", 1) <= 0) {
42	0	return 0;
43	0	}
44	0	return 1;
45	0	}
46
47	0	static int bn_print(BIO bp, const char name, const BIGNUM *num, int off) {
48	0	if (num == NULL) {
49	0	return 1;
50	0	}
51
52	0	if (!BIO_indent(bp, off, 128)) {
53	0	return 0;
54	0	}
55	0	if (BN_is_zero(num)) {
56	0	if (BIO_printf(bp, "%s 0\n", name) <= 0) {
57	0	return 0;
58	0	}
59	0	return 1;
60	0	}
61
62	0	uint64_t u64;
63	0	if (BN_get_u64(num, &u64)) {
64	0	const char *neg = BN_is_negative(num) ? "-" : "";
65	0	return BIO_printf(bp, "%s %s%" PRIu64 " (%s0x%" PRIx64 ")\n", name, neg,
66	0	u64, neg, u64) > 0;
67	0	}
68
69	0	if (BIO_printf(bp, "%s%s", name,
70	0	(BN_is_negative(num)) ? " (Negative)" : "") <= 0) {
71	0	return 0;
72	0	}
73
74		// Print \|num\| in hex, adding a leading zero, as in ASN.1, if the high bit
75		// is set.
76		//
77		// TODO(davidben): Do we need to do this? We already print "(Negative)" above
78		// and negative values are never valid in keys anyway.
79	0	size_t len = BN_num_bytes(num);
80	0	uint8_t buf = reinterpret_cast<uint8_t >(OPENSSL_malloc(len + 1));
81	0	if (buf == NULL) {
82	0	return 0;
83	0	}
84
85	0	buf[0] = 0;
86	0	BN_bn2bin(num, buf + 1);
87	0	int ret;
88	0	if (len > 0 && (buf[1] & 0x80) != 0) {
89		// Print the whole buffer.
90	0	ret = print_hex(bp, buf, len + 1, off);
91	0	} else {
92		// Skip the leading zero.
93	0	ret = print_hex(bp, buf + 1, len, off);
94	0	}
95	0	OPENSSL_free(buf);
96	0	return ret;
97	0	}
98
99		// RSA keys.
100
101		static int do_rsa_print(BIO out, const RSA rsa, int off,
102	0	int include_private) {
103	0	int mod_len = 0;
104	0	if (rsa->n != NULL) {
105	0	mod_len = BN_num_bits(rsa->n);
106	0	}
107
108	0	if (!BIO_indent(out, off, 128)) {
109	0	return 0;
110	0	}
111
112	0	const char s, str;
113	0	if (include_private && rsa->d) {
114	0	if (BIO_printf(out, "Private-Key: (%d bit)\n", mod_len) <= 0) {
115	0	return 0;
116	0	}
117	0	str = "modulus:";
118	0	s = "publicExponent:";
119	0	} else {
120	0	if (BIO_printf(out, "Public-Key: (%d bit)\n", mod_len) <= 0) {
121	0	return 0;
122	0	}
123	0	str = "Modulus:";
124	0	s = "Exponent:";
125	0	}
126	0	if (!bn_print(out, str, rsa->n, off) \|\| !bn_print(out, s, rsa->e, off)) {
127	0	return 0;
128	0	}
129
130	0	if (include_private) {
131	0	if (!bn_print(out, "privateExponent:", rsa->d, off) \|\|
132	0	!bn_print(out, "prime1:", rsa->p, off) \|\|
133	0	!bn_print(out, "prime2:", rsa->q, off) \|\|
134	0	!bn_print(out, "exponent1:", rsa->dmp1, off) \|\|
135	0	!bn_print(out, "exponent2:", rsa->dmq1, off) \|\|
136	0	!bn_print(out, "coefficient:", rsa->iqmp, off)) {
137	0	return 0;
138	0	}
139	0	}
140
141	0	return 1;
142	0	}
143
144	0	static int rsa_pub_print(BIO bp, const EVP_PKEY pkey, int indent) {
145	0	return do_rsa_print(bp, EVP_PKEY_get0_RSA(pkey), indent, 0);
146	0	}
147
148	0	static int rsa_priv_print(BIO bp, const EVP_PKEY pkey, int indent) {
149	0	return do_rsa_print(bp, EVP_PKEY_get0_RSA(pkey), indent, 1);
150	0	}
151
152
153		// DSA keys.
154
155	0	static int do_dsa_print(BIO bp, const DSA x, int off, int ptype) {
156	0	const BIGNUM *priv_key = NULL;
157	0	if (ptype == 2) {
158	0	priv_key = DSA_get0_priv_key(x);
159	0	}
160
161	0	const BIGNUM *pub_key = NULL;
162	0	if (ptype > 0) {
163	0	pub_key = DSA_get0_pub_key(x);
164	0	}
165
166	0	const char *ktype = "DSA-Parameters";
167	0	if (ptype == 2) {
168	0	ktype = "Private-Key";
169	0	} else if (ptype == 1) {
170	0	ktype = "Public-Key";
171	0	}
172
173	0	if (!BIO_indent(bp, off, 128) \|\|
174	0	BIO_printf(bp, "%s: (%u bit)\n", ktype, BN_num_bits(DSA_get0_p(x))) <=
175	0	0 \|\|
176		// \|priv_key\| and \|pub_key\| may be NULL, in which case \|bn_print\| will
177		// silently skip them.
178	0	!bn_print(bp, "priv:", priv_key, off) \|\|
179	0	!bn_print(bp, "pub:", pub_key, off) \|\|
180	0	!bn_print(bp, "P:", DSA_get0_p(x), off) \|\|
181	0	!bn_print(bp, "Q:", DSA_get0_q(x), off) \|\|
182	0	!bn_print(bp, "G:", DSA_get0_g(x), off)) {
183	0	return 0;
184	0	}
185
186	0	return 1;
187	0	}
188
189	0	static int dsa_param_print(BIO bp, const EVP_PKEY pkey, int indent) {
190	0	return do_dsa_print(bp, EVP_PKEY_get0_DSA(pkey), indent, 0);
191	0	}
192
193	0	static int dsa_pub_print(BIO bp, const EVP_PKEY pkey, int indent) {
194	0	return do_dsa_print(bp, EVP_PKEY_get0_DSA(pkey), indent, 1);
195	0	}
196
197	0	static int dsa_priv_print(BIO bp, const EVP_PKEY pkey, int indent) {
198	0	return do_dsa_print(bp, EVP_PKEY_get0_DSA(pkey), indent, 2);
199	0	}
200
201
202		// EC keys.
203
204	0	static int do_EC_KEY_print(BIO bp, const EC_KEY x, int off, int ktype) {
205	0	const EC_GROUP *group;
206	0	if (x == NULL \|\| (group = EC_KEY_get0_group(x)) == NULL) {
207	0	OPENSSL_PUT_ERROR(EVP, ERR_R_PASSED_NULL_PARAMETER);
208	0	return 0;
209	0	}
210
211	0	const char *ecstr;
212	0	if (ktype == 2) {
213	0	ecstr = "Private-Key";
214	0	} else if (ktype == 1) {
215	0	ecstr = "Public-Key";
216	0	} else {
217	0	ecstr = "ECDSA-Parameters";
218	0	}
219
220	0	if (!BIO_indent(bp, off, 128)) {
221	0	return 0;
222	0	}
223	0	int curve_name = EC_GROUP_get_curve_name(group);
224	0	if (BIO_printf(bp, "%s: (%s)\n", ecstr,
225	0	curve_name == NID_undef
226	0	? "unknown curve"
227	0	: EC_curve_nid2nist(curve_name)) <= 0) {
228	0	return 0;
229	0	}
230
231	0	if (ktype == 2) {
232	0	const BIGNUM *priv_key = EC_KEY_get0_private_key(x);
233	0	if (priv_key != NULL && //
234	0	!bn_print(bp, "priv:", priv_key, off)) {
235	0	return 0;
236	0	}
237	0	}
238
239	0	if (ktype > 0 && EC_KEY_get0_public_key(x) != NULL) {
240	0	uint8_t *pub = NULL;
241	0	size_t pub_len = EC_KEY_key2buf(x, EC_KEY_get_conv_form(x), &pub, NULL);
242	0	if (pub_len == 0) {
243	0	return 0;
244	0	}
245	0	int ret = BIO_indent(bp, off, 128) && //
246	0	BIO_puts(bp, "pub:") > 0 && //
247	0	print_hex(bp, pub, pub_len, off);
248	0	OPENSSL_free(pub);
249	0	if (!ret) {
250	0	return 0;
251	0	}
252	0	}
253
254	0	return 1;
255	0	}
256
257	0	static int eckey_param_print(BIO bp, const EVP_PKEY pkey, int indent) {
258	0	return do_EC_KEY_print(bp, EVP_PKEY_get0_EC_KEY(pkey), indent, 0);
259	0	}
260
261	0	static int eckey_pub_print(BIO bp, const EVP_PKEY pkey, int indent) {
262	0	return do_EC_KEY_print(bp, EVP_PKEY_get0_EC_KEY(pkey), indent, 1);
263	0	}
264
265
266	0	static int eckey_priv_print(BIO bp, const EVP_PKEY pkey, int indent) {
267	0	return do_EC_KEY_print(bp, EVP_PKEY_get0_EC_KEY(pkey), indent, 2);
268	0	}
269
270
271		typedef struct {
272		int type;
273		int (pub_print)(BIO out, const EVP_PKEY *pkey, int indent);
274		int (priv_print)(BIO out, const EVP_PKEY *pkey, int indent);
275		int (param_print)(BIO out, const EVP_PKEY *pkey, int indent);
276		} EVP_PKEY_PRINT_METHOD;
277
278		static EVP_PKEY_PRINT_METHOD kPrintMethods[] = {
279		{
280		EVP_PKEY_RSA,
281		rsa_pub_print,
282		rsa_priv_print,
283		NULL /* param_print */,
284		},
285		{
286		EVP_PKEY_DSA,
287		dsa_pub_print,
288		dsa_priv_print,
289		dsa_param_print,
290		},
291		{
292		EVP_PKEY_EC,
293		eckey_pub_print,
294		eckey_priv_print,
295		eckey_param_print,
296		},
297		};
298
299		static size_t kPrintMethodsLen = OPENSSL_ARRAY_SIZE(kPrintMethods);
300
301	0	static EVP_PKEY_PRINT_METHOD *find_method(int type) {
302	0	for (size_t i = 0; i < kPrintMethodsLen; i++) {
303	0	if (kPrintMethods[i].type == type) {
304	0	return &kPrintMethods[i];
305	0	}
306	0	}
307	0	return NULL;
308	0	}
309
310		static int print_unsupported(BIO out, const EVP_PKEY pkey, int indent,
311	0	const char *kstr) {
312	0	BIO_indent(out, indent, 128);
313	0	BIO_printf(out, "%s algorithm unsupported\n", kstr);
314	0	return 1;
315	0	}
316
317		int EVP_PKEY_print_public(BIO out, const EVP_PKEY pkey, int indent,
318	0	ASN1_PCTX *pctx) {
319	0	EVP_PKEY_PRINT_METHOD *method = find_method(EVP_PKEY_id(pkey));
320	0	if (method != NULL && method->pub_print != NULL) {
321	0	return method->pub_print(out, pkey, indent);
322	0	}
323	0	return print_unsupported(out, pkey, indent, "Public Key");
324	0	}
325
326		int EVP_PKEY_print_private(BIO out, const EVP_PKEY pkey, int indent,
327	0	ASN1_PCTX *pctx) {
328	0	EVP_PKEY_PRINT_METHOD *method = find_method(EVP_PKEY_id(pkey));
329	0	if (method != NULL && method->priv_print != NULL) {
330	0	return method->priv_print(out, pkey, indent);
331	0	}
332	0	return print_unsupported(out, pkey, indent, "Private Key");
333	0	}
334
335		int EVP_PKEY_print_params(BIO out, const EVP_PKEY pkey, int indent,
336	0	ASN1_PCTX *pctx) {
337	0	EVP_PKEY_PRINT_METHOD *method = find_method(EVP_PKEY_id(pkey));
338	0	if (method != NULL && method->param_print != NULL) {
339	0	return method->param_print(out, pkey, indent);
340	0	}
341	0	return print_unsupported(out, pkey, indent, "Parameters");
342	0	}