crypto/x509/x509_txt.c - third_party/openssl - Git at Google

 /*
  * Copyright 1995-2020 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 "unsupported 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 siganature 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";

     default:
         /* Printing an error number into a static buffer is not thread-safe */
         return "unknown certificate verification error";
     }
 }
	/*
	* Copyright 1995-2020 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 "unsupported 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 siganature 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";

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