/src/openssl30/crypto/x509/x509_txt.c

Source
/*
 * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <stdio.h>
#include <time.h>
#include <errno.h>

#include "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/evp.h>
#include <openssl/asn1.h>
#include <openssl/x509.h>
#include <openssl/objects.h>

const char *X509_verify_cert_error_string(long n)
{
    switch ((int)n) {
    case X509_V_OK:
        return "ok";
    case X509_V_ERR_UNSPECIFIED:
        return "unspecified certificate verification error";
    case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
        return "unable to get issuer certificate";
    case X509_V_ERR_UNABLE_TO_GET_CRL:
        return "unable to get certificate CRL";
    case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
        return "unable to decrypt certificate's signature";
    case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
        return "unable to decrypt CRL's signature";
    case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
        return "unable to decode issuer public key";
    case X509_V_ERR_CERT_SIGNATURE_FAILURE:
        return "certificate signature failure";
    case X509_V_ERR_CRL_SIGNATURE_FAILURE:
        return "CRL signature failure";
    case X509_V_ERR_CERT_NOT_YET_VALID:
        return "certificate is not yet valid";
    case X509_V_ERR_CERT_HAS_EXPIRED:
        return "certificate has expired";
    case X509_V_ERR_CRL_NOT_YET_VALID:
        return "CRL is not yet valid";
    case X509_V_ERR_CRL_HAS_EXPIRED:
        return "CRL has expired";
    case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
        return "format error in certificate's notBefore field";
    case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
        return "format error in certificate's notAfter field";
    case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
        return "format error in CRL's lastUpdate field";
    case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
        return "format error in CRL's nextUpdate field";
    case X509_V_ERR_OUT_OF_MEM:
        return "out of memory";
    case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
        return "self-signed certificate";
    case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
        return "self-signed certificate in certificate chain";
    case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
        return "unable to get local issuer certificate";
    case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
        return "unable to verify the first certificate";
    case X509_V_ERR_CERT_CHAIN_TOO_LONG:
        return "certificate chain too long";
    case X509_V_ERR_CERT_REVOKED:
        return "certificate revoked";
    case X509_V_ERR_NO_ISSUER_PUBLIC_KEY:
        return "issuer certificate doesn't have a public key";
    case X509_V_ERR_PATH_LENGTH_EXCEEDED:
        return "path length constraint exceeded";
    case X509_V_ERR_INVALID_PURPOSE:
        return "unsuitable certificate purpose";
    case X509_V_ERR_CERT_UNTRUSTED:
        return "certificate not trusted";
    case X509_V_ERR_CERT_REJECTED:
        return "certificate rejected";
    case X509_V_ERR_SUBJECT_ISSUER_MISMATCH:
        return "subject issuer mismatch";
    case X509_V_ERR_AKID_SKID_MISMATCH:
        return "authority and subject key identifier mismatch";
    case X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH:
        return "authority and issuer serial number mismatch";
    case X509_V_ERR_KEYUSAGE_NO_CERTSIGN:
        return "key usage does not include certificate signing";
    case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
        return "unable to get CRL issuer certificate";
    case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
        return "unhandled critical extension";
    case X509_V_ERR_KEYUSAGE_NO_CRL_SIGN:
        return "key usage does not include CRL signing";
    case X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION:
        return "unhandled critical CRL extension";
    case X509_V_ERR_INVALID_NON_CA:
        return "invalid non-CA certificate (has CA markings)";
    case X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED:
        return "proxy path length constraint exceeded";
    case X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE:
        return "key usage does not include digital signature";
    case X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED:
        return "proxy certificates not allowed, please set the appropriate flag";
    case X509_V_ERR_INVALID_EXTENSION:
        return "invalid or inconsistent certificate extension";
    case X509_V_ERR_INVALID_POLICY_EXTENSION:
        return "invalid or inconsistent certificate policy extension";
    case X509_V_ERR_NO_EXPLICIT_POLICY:
        return "no explicit policy";
    case X509_V_ERR_DIFFERENT_CRL_SCOPE:
        return "different CRL scope";
    case X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE:
        return "unsupported extension feature";
    case X509_V_ERR_UNNESTED_RESOURCE:
        return "RFC 3779 resource not subset of parent's resources";
    case X509_V_ERR_PERMITTED_VIOLATION:
        return "permitted subtree violation";
    case X509_V_ERR_EXCLUDED_VIOLATION:
        return "excluded subtree violation";
    case X509_V_ERR_SUBTREE_MINMAX:
        return "name constraints minimum and maximum not supported";
    case X509_V_ERR_APPLICATION_VERIFICATION:
        return "application verification failure";
    case X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE:
        return "unsupported name constraint type";
    case X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX:
        return "unsupported or invalid name constraint syntax";
    case X509_V_ERR_UNSUPPORTED_NAME_SYNTAX:
        return "unsupported or invalid name syntax";
    case X509_V_ERR_CRL_PATH_VALIDATION_ERROR:
        return "CRL path validation error";
    case X509_V_ERR_PATH_LOOP:
        return "path loop";
    case X509_V_ERR_SUITE_B_INVALID_VERSION:
        return "Suite B: certificate version invalid";
    case X509_V_ERR_SUITE_B_INVALID_ALGORITHM:
        return "Suite B: invalid public key algorithm";
    case X509_V_ERR_SUITE_B_INVALID_CURVE:
        return "Suite B: invalid ECC curve";
    case X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM:
        return "Suite B: invalid signature algorithm";
    case X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED:
        return "Suite B: curve not allowed for this LOS";
    case X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256:
        return "Suite B: cannot sign P-384 with P-256";
    case X509_V_ERR_HOSTNAME_MISMATCH:
        return "hostname mismatch";
    case X509_V_ERR_EMAIL_MISMATCH:
        return "email address mismatch";
    case X509_V_ERR_IP_ADDRESS_MISMATCH:
        return "IP address mismatch";
    case X509_V_ERR_DANE_NO_MATCH:
        return "no matching DANE TLSA records";
    case X509_V_ERR_EE_KEY_TOO_SMALL:
        return "EE certificate key too weak";
    case X509_V_ERR_CA_KEY_TOO_SMALL:
        return "CA certificate key too weak";
    case X509_V_ERR_CA_MD_TOO_WEAK:
        return "CA signature digest algorithm too weak";
    case X509_V_ERR_INVALID_CALL:
        return "invalid certificate verification context";
    case X509_V_ERR_STORE_LOOKUP:
        return "issuer certificate lookup error";
    case X509_V_ERR_NO_VALID_SCTS:
        return "Certificate Transparency required, but no valid SCTs found";
    case X509_V_ERR_PROXY_SUBJECT_NAME_VIOLATION:
        return "proxy subject name violation";
    case X509_V_ERR_OCSP_VERIFY_NEEDED:
        return "OCSP verification needed";
    case X509_V_ERR_OCSP_VERIFY_FAILED:
        return "OCSP verification failed";
    case X509_V_ERR_OCSP_CERT_UNKNOWN:
        return "OCSP unknown cert";
    case X509_V_ERR_UNSUPPORTED_SIGNATURE_ALGORITHM:
        return "Cannot find certificate signature algorithm";
    case X509_V_ERR_SIGNATURE_ALGORITHM_MISMATCH:
        return "subject signature algorithm and issuer public key algorithm mismatch";
    case X509_V_ERR_SIGNATURE_ALGORITHM_INCONSISTENCY:
        return "cert info signature and signature algorithm mismatch";
    case X509_V_ERR_INVALID_CA:
        return "invalid CA certificate";
    case X509_V_ERR_PATHLEN_INVALID_FOR_NON_CA:
        return "Path length invalid for non-CA cert";
    case X509_V_ERR_PATHLEN_WITHOUT_KU_KEY_CERT_SIGN:
        return "Path length given without key usage keyCertSign";
    case X509_V_ERR_KU_KEY_CERT_SIGN_INVALID_FOR_NON_CA:
        return "Key usage keyCertSign invalid for non-CA cert";
    case X509_V_ERR_ISSUER_NAME_EMPTY:
        return "Issuer name empty";
    case X509_V_ERR_SUBJECT_NAME_EMPTY:
        return "Subject name empty";
    case X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER:
        return "Missing Authority Key Identifier";
    case X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER:
        return "Missing Subject Key Identifier";
    case X509_V_ERR_EMPTY_SUBJECT_ALT_NAME:
        return "Empty Subject Alternative Name extension";
    case X509_V_ERR_CA_BCONS_NOT_CRITICAL:
        return "Basic Constraints of CA cert not marked critical";
    case X509_V_ERR_EMPTY_SUBJECT_SAN_NOT_CRITICAL:
        return "Subject empty and Subject Alt Name extension not critical";
    case X509_V_ERR_AUTHORITY_KEY_IDENTIFIER_CRITICAL:
        return "Authority Key Identifier marked critical";
    case X509_V_ERR_SUBJECT_KEY_IDENTIFIER_CRITICAL:
        return "Subject Key Identifier marked critical";
    case X509_V_ERR_CA_CERT_MISSING_KEY_USAGE:
        return "CA cert does not include key usage extension";
    case X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3:
        return "Using cert extension requires at least X509v3";
    case X509_V_ERR_EC_KEY_EXPLICIT_PARAMS:
        return "Certificate public key has explicit ECC parameters";

        /*
         * Entries must be kept consistent with include/openssl/x509_vfy.h.in
         * and with doc/man3/X509_STORE_CTX_get_error.pod
         */

    default:
        /* Printing an error number into a static buffer is not thread-safe */
        return "unknown certificate verification error";
    }
}

Coverage Report

Created: 2025-12-31 06:58

Line	Count	Source
1		/*
2		* Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the Apache License 2.0 (the "License"). You may not use
5		* this file except in compliance with the License. You can obtain a copy
6		* in the file LICENSE in the source distribution or at
7		* https://www.openssl.org/source/license.html
8		*/
9
10		#include <stdio.h>
11		#include <time.h>
12		#include <errno.h>
13
14		#include "internal/cryptlib.h"
15		#include <openssl/buffer.h>
16		#include <openssl/evp.h>
17		#include <openssl/asn1.h>
18		#include <openssl/x509.h>
19		#include <openssl/objects.h>
20
21		const char *X509_verify_cert_error_string(long n)
22	426	{
23	426	switch ((int)n) {
24	358	case X509_V_OK:
25	358	return "ok";
26	0	case X509_V_ERR_UNSPECIFIED:
27	0	return "unspecified certificate verification error";
28	0	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
29	0	return "unable to get issuer certificate";
30	0	case X509_V_ERR_UNABLE_TO_GET_CRL:
31	0	return "unable to get certificate CRL";
32	1	case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
33	1	return "unable to decrypt certificate's signature";
34	1	case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
35	1	return "unable to decrypt CRL's signature";
36	0	case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
37	0	return "unable to decode issuer public key";
38	1	case X509_V_ERR_CERT_SIGNATURE_FAILURE:
39	1	return "certificate signature failure";
40	1	case X509_V_ERR_CRL_SIGNATURE_FAILURE:
41	1	return "CRL signature failure";
42	1	case X509_V_ERR_CERT_NOT_YET_VALID:
43	1	return "certificate is not yet valid";
44	1	case X509_V_ERR_CERT_HAS_EXPIRED:
45	1	return "certificate has expired";
46	1	case X509_V_ERR_CRL_NOT_YET_VALID:
47	1	return "CRL is not yet valid";
48	1	case X509_V_ERR_CRL_HAS_EXPIRED:
49	1	return "CRL has expired";
50	0	case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
51	0	return "format error in certificate's notBefore field";
52	0	case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
53	0	return "format error in certificate's notAfter field";
54	1	case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
55	1	return "format error in CRL's lastUpdate field";
56	1	case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
57	1	return "format error in CRL's nextUpdate field";
58	0	case X509_V_ERR_OUT_OF_MEM:
59	0	return "out of memory";
60	0	case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
61	0	return "self-signed certificate";
62	0	case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
63	0	return "self-signed certificate in certificate chain";
64	0	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
65	0	return "unable to get local issuer certificate";
66	1	case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
67	1	return "unable to verify the first certificate";
68	0	case X509_V_ERR_CERT_CHAIN_TOO_LONG:
69	0	return "certificate chain too long";
70	0	case X509_V_ERR_CERT_REVOKED:
71	0	return "certificate revoked";
72	0	case X509_V_ERR_NO_ISSUER_PUBLIC_KEY:
73	0	return "issuer certificate doesn't have a public key";
74	1	case X509_V_ERR_PATH_LENGTH_EXCEEDED:
75	1	return "path length constraint exceeded";
76	0	case X509_V_ERR_INVALID_PURPOSE:
77	0	return "unsuitable certificate purpose";
78	0	case X509_V_ERR_CERT_UNTRUSTED:
79	0	return "certificate not trusted";
80	0	case X509_V_ERR_CERT_REJECTED:
81	0	return "certificate rejected";
82	1	case X509_V_ERR_SUBJECT_ISSUER_MISMATCH:
83	1	return "subject issuer mismatch";
84	1	case X509_V_ERR_AKID_SKID_MISMATCH:
85	1	return "authority and subject key identifier mismatch";
86	0	case X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH:
87	0	return "authority and issuer serial number mismatch";
88	1	case X509_V_ERR_KEYUSAGE_NO_CERTSIGN:
89	1	return "key usage does not include certificate signing";
90	1	case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
91	1	return "unable to get CRL issuer certificate";
92	0	case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
93	0	return "unhandled critical extension";
94	0	case X509_V_ERR_KEYUSAGE_NO_CRL_SIGN:
95	0	return "key usage does not include CRL signing";
96	0	case X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION:
97	0	return "unhandled critical CRL extension";
98	1	case X509_V_ERR_INVALID_NON_CA:
99	1	return "invalid non-CA certificate (has CA markings)";
100	0	case X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED:
101	0	return "proxy path length constraint exceeded";
102	1	case X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE:
103	1	return "key usage does not include digital signature";
104	1	case X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED:
105	1	return "proxy certificates not allowed, please set the appropriate flag";
106	0	case X509_V_ERR_INVALID_EXTENSION:
107	0	return "invalid or inconsistent certificate extension";
108	1	case X509_V_ERR_INVALID_POLICY_EXTENSION:
109	1	return "invalid or inconsistent certificate policy extension";
110	0	case X509_V_ERR_NO_EXPLICIT_POLICY:
111	0	return "no explicit policy";
112	1	case X509_V_ERR_DIFFERENT_CRL_SCOPE:
113	1	return "different CRL scope";
114	0	case X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE:
115	0	return "unsupported extension feature";
116	0	case X509_V_ERR_UNNESTED_RESOURCE:
117	0	return "RFC 3779 resource not subset of parent's resources";
118	0	case X509_V_ERR_PERMITTED_VIOLATION:
119	0	return "permitted subtree violation";
120	0	case X509_V_ERR_EXCLUDED_VIOLATION:
121	0	return "excluded subtree violation";
122	1	case X509_V_ERR_SUBTREE_MINMAX:
123	1	return "name constraints minimum and maximum not supported";
124	0	case X509_V_ERR_APPLICATION_VERIFICATION:
125	0	return "application verification failure";
126	0	case X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE:
127	0	return "unsupported name constraint type";
128	3	case X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX:
129	3	return "unsupported or invalid name constraint syntax";
130	1	case X509_V_ERR_UNSUPPORTED_NAME_SYNTAX:
131	1	return "unsupported or invalid name syntax";
132	1	case X509_V_ERR_CRL_PATH_VALIDATION_ERROR:
133	1	return "CRL path validation error";
134	1	case X509_V_ERR_PATH_LOOP:
135	1	return "path loop";
136	0	case X509_V_ERR_SUITE_B_INVALID_VERSION:
137	0	return "Suite B: certificate version invalid";
138	0	case X509_V_ERR_SUITE_B_INVALID_ALGORITHM:
139	0	return "Suite B: invalid public key algorithm";
140	1	case X509_V_ERR_SUITE_B_INVALID_CURVE:
141	1	return "Suite B: invalid ECC curve";
142	0	case X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM:
143	0	return "Suite B: invalid signature algorithm";
144	0	case X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED:
145	0	return "Suite B: curve not allowed for this LOS";
146	0	case X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256:
147	0	return "Suite B: cannot sign P-384 with P-256";
148	1	case X509_V_ERR_HOSTNAME_MISMATCH:
149	1	return "hostname mismatch";
150	0	case X509_V_ERR_EMAIL_MISMATCH:
151	0	return "email address mismatch";
152	0	case X509_V_ERR_IP_ADDRESS_MISMATCH:
153	0	return "IP address mismatch";
154	0	case X509_V_ERR_DANE_NO_MATCH:
155	0	return "no matching DANE TLSA records";
156	0	case X509_V_ERR_EE_KEY_TOO_SMALL:
157	0	return "EE certificate key too weak";
158	1	case X509_V_ERR_CA_KEY_TOO_SMALL:
159	1	return "CA certificate key too weak";
160	1	case X509_V_ERR_CA_MD_TOO_WEAK:
161	1	return "CA signature digest algorithm too weak";
162	0	case X509_V_ERR_INVALID_CALL:
163	0	return "invalid certificate verification context";
164	1	case X509_V_ERR_STORE_LOOKUP:
165	1	return "issuer certificate lookup error";
166	0	case X509_V_ERR_NO_VALID_SCTS:
167	0	return "Certificate Transparency required, but no valid SCTs found";
168	0	case X509_V_ERR_PROXY_SUBJECT_NAME_VIOLATION:
169	0	return "proxy subject name violation";
170	1	case X509_V_ERR_OCSP_VERIFY_NEEDED:
171	1	return "OCSP verification needed";
172	2	case X509_V_ERR_OCSP_VERIFY_FAILED:
173	2	return "OCSP verification failed";
174	1	case X509_V_ERR_OCSP_CERT_UNKNOWN:
175	1	return "OCSP unknown cert";
176	1	case X509_V_ERR_UNSUPPORTED_SIGNATURE_ALGORITHM:
177	1	return "Cannot find certificate signature algorithm";
178	1	case X509_V_ERR_SIGNATURE_ALGORITHM_MISMATCH:
179	1	return "subject signature algorithm and issuer public key algorithm mismatch";
180	0	case X509_V_ERR_SIGNATURE_ALGORITHM_INCONSISTENCY:
181	0	return "cert info signature and signature algorithm mismatch";
182	1	case X509_V_ERR_INVALID_CA:
183	1	return "invalid CA certificate";
184	0	case X509_V_ERR_PATHLEN_INVALID_FOR_NON_CA:
185	0	return "Path length invalid for non-CA cert";
186	1	case X509_V_ERR_PATHLEN_WITHOUT_KU_KEY_CERT_SIGN:
187	1	return "Path length given without key usage keyCertSign";
188	0	case X509_V_ERR_KU_KEY_CERT_SIGN_INVALID_FOR_NON_CA:
189	0	return "Key usage keyCertSign invalid for non-CA cert";
190	0	case X509_V_ERR_ISSUER_NAME_EMPTY:
191	0	return "Issuer name empty";
192	2	case X509_V_ERR_SUBJECT_NAME_EMPTY:
193	2	return "Subject name empty";
194	1	case X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER:
195	1	return "Missing Authority Key Identifier";
196	0	case X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER:
197	0	return "Missing Subject Key Identifier";
198	1	case X509_V_ERR_EMPTY_SUBJECT_ALT_NAME:
199	1	return "Empty Subject Alternative Name extension";
200	1	case X509_V_ERR_CA_BCONS_NOT_CRITICAL:
201	1	return "Basic Constraints of CA cert not marked critical";
202	1	case X509_V_ERR_EMPTY_SUBJECT_SAN_NOT_CRITICAL:
203	1	return "Subject empty and Subject Alt Name extension not critical";
204	0	case X509_V_ERR_AUTHORITY_KEY_IDENTIFIER_CRITICAL:
205	0	return "Authority Key Identifier marked critical";
206	0	case X509_V_ERR_SUBJECT_KEY_IDENTIFIER_CRITICAL:
207	0	return "Subject Key Identifier marked critical";
208	0	case X509_V_ERR_CA_CERT_MISSING_KEY_USAGE:
209	0	return "CA cert does not include key usage extension";
210	0	case X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3:
211	0	return "Using cert extension requires at least X509v3";
212	1	case X509_V_ERR_EC_KEY_EXPLICIT_PARAMS:
213	1	return "Certificate public key has explicit ECC parameters";
214
215		/*
216		* Entries must be kept consistent with include/openssl/x509_vfy.h.in
217		* and with doc/man3/X509_STORE_CTX_get_error.pod
218		*/
219
220	20	default:
221		/* Printing an error number into a static buffer is not thread-safe */
222	20	return "unknown certificate verification error";
223	426	}
224	426	}