00001
00028 #include "polarssl/config.h"
00029
00030 #if defined(POLARSSL_OID_C)
00031
00032 #include "polarssl/oid.h"
00033 #include "polarssl/rsa.h"
00034
00035 #if defined(POLARSSL_X509_USE_C) || defined(POLARSSL_X509_CREATE_C)
00036 #include "polarssl/x509.h"
00037 #endif
00038
00039 #include <stdio.h>
00040
00041
00042
00043
00044 #define ADD_LEN(s) s, OID_SIZE(s)
00045
00046
00047
00048
00049
00050 #define FN_OID_TYPED_FROM_ASN1( TYPE_T, NAME, LIST ) \
00051 static const TYPE_T * oid_ ## NAME ## _from_asn1( const asn1_buf *oid ) \
00052 { \
00053 const TYPE_T *p = LIST; \
00054 const oid_descriptor_t *cur = (const oid_descriptor_t *) p; \
00055 if( p == NULL || oid == NULL ) return( NULL ); \
00056 while( cur->asn1 != NULL ) { \
00057 if( cur->asn1_len == oid->len && \
00058 memcmp( cur->asn1, oid->p, oid->len ) == 0 ) { \
00059 return( p ); \
00060 } \
00061 p++; \
00062 cur = (const oid_descriptor_t *) p; \
00063 } \
00064 return( NULL ); \
00065 }
00066
00067
00068
00069
00070
00071 #define FN_OID_GET_DESCRIPTOR_ATTR1(FN_NAME, TYPE_T, TYPE_NAME, ATTR1_TYPE, ATTR1) \
00072 int FN_NAME( const asn1_buf *oid, ATTR1_TYPE * ATTR1 ) \
00073 { \
00074 const TYPE_T *data = oid_ ## TYPE_NAME ## _from_asn1( oid ); \
00075 if( data == NULL ) return ( POLARSSL_ERR_OID_NOT_FOUND ); \
00076 *ATTR1 = data->descriptor.ATTR1; \
00077 return( 0 ); \
00078 }
00079
00080
00081
00082
00083
00084 #define FN_OID_GET_ATTR1(FN_NAME, TYPE_T, TYPE_NAME, ATTR1_TYPE, ATTR1) \
00085 int FN_NAME( const asn1_buf *oid, ATTR1_TYPE * ATTR1 ) \
00086 { \
00087 const TYPE_T *data = oid_ ## TYPE_NAME ## _from_asn1( oid ); \
00088 if( data == NULL ) return ( POLARSSL_ERR_OID_NOT_FOUND ); \
00089 *ATTR1 = data->ATTR1; \
00090 return( 0 ); \
00091 }
00092
00093
00094
00095
00096
00097 #define FN_OID_GET_ATTR2(FN_NAME, TYPE_T, TYPE_NAME, ATTR1_TYPE, ATTR1, \
00098 ATTR2_TYPE, ATTR2) \
00099 int FN_NAME( const asn1_buf *oid, ATTR1_TYPE * ATTR1, ATTR2_TYPE * ATTR2 ) \
00100 { \
00101 const TYPE_T *data = oid_ ## TYPE_NAME ## _from_asn1( oid ); \
00102 if( data == NULL ) return ( POLARSSL_ERR_OID_NOT_FOUND ); \
00103 *ATTR1 = data->ATTR1; \
00104 *ATTR2 = data->ATTR2; \
00105 return( 0 ); \
00106 }
00107
00108
00109
00110
00111
00112 #define FN_OID_GET_OID_BY_ATTR1(FN_NAME, TYPE_T, LIST, ATTR1_TYPE, ATTR1) \
00113 int FN_NAME( ATTR1_TYPE ATTR1, const char **oid, size_t *olen ) \
00114 { \
00115 const TYPE_T *cur = LIST; \
00116 while( cur->descriptor.asn1 != NULL ) { \
00117 if( cur->ATTR1 == ATTR1 ) { \
00118 *oid = cur->descriptor.asn1; \
00119 *olen = cur->descriptor.asn1_len; \
00120 return( 0 ); \
00121 } \
00122 cur++; \
00123 } \
00124 return( POLARSSL_ERR_OID_NOT_FOUND ); \
00125 }
00126
00127
00128
00129
00130
00131 #define FN_OID_GET_OID_BY_ATTR2(FN_NAME, TYPE_T, LIST, ATTR1_TYPE, ATTR1, \
00132 ATTR2_TYPE, ATTR2) \
00133 int FN_NAME( ATTR1_TYPE ATTR1, ATTR2_TYPE ATTR2, const char **oid , \
00134 size_t *olen ) \
00135 { \
00136 const TYPE_T *cur = LIST; \
00137 while( cur->descriptor.asn1 != NULL ) { \
00138 if( cur->ATTR1 == ATTR1 && cur->ATTR2 == ATTR2 ) { \
00139 *oid = cur->descriptor.asn1; \
00140 *olen = cur->descriptor.asn1_len; \
00141 return( 0 ); \
00142 } \
00143 cur++; \
00144 } \
00145 return( POLARSSL_ERR_OID_NOT_FOUND ); \
00146 }
00147
00148
00149
00150
00151 typedef struct {
00152 oid_descriptor_t descriptor;
00153 const char *short_name;
00154 } oid_x520_attr_t;
00155
00156 static const oid_x520_attr_t oid_x520_attr_type[] =
00157 {
00158 {
00159 { ADD_LEN( OID_AT_CN ), "id-at-commonName", "Common Name" },
00160 "CN",
00161 },
00162 {
00163 { ADD_LEN( OID_AT_COUNTRY ), "id-at-countryName", "Country" },
00164 "C",
00165 },
00166 {
00167 { ADD_LEN( OID_AT_LOCALITY ), "id-at-locality", "Locality" },
00168 "L",
00169 },
00170 {
00171 { ADD_LEN( OID_AT_STATE ), "id-at-state", "State" },
00172 "ST",
00173 },
00174 {
00175 { ADD_LEN( OID_AT_ORGANIZATION ),"id-at-organizationName", "Organization" },
00176 "O",
00177 },
00178 {
00179 { ADD_LEN( OID_AT_ORG_UNIT ), "id-at-organizationalUnitName", "Org Unit" },
00180 "OU",
00181 },
00182 {
00183 { ADD_LEN( OID_PKCS9_EMAIL ), "emailAddress", "E-mail address" },
00184 "emailAddress",
00185 },
00186 {
00187 { ADD_LEN( OID_AT_SERIAL_NUMBER ),"id-at-serialNumber", "Serial number" },
00188 "serialNumber",
00189 },
00190 {
00191 { ADD_LEN( OID_AT_POSTAL_ADDRESS ),"id-at-postalAddress", "Postal address" },
00192 "postalAddress",
00193 },
00194 {
00195 { ADD_LEN( OID_AT_POSTAL_CODE ), "id-at-postalCode", "Postal code" },
00196 "postalCode",
00197 },
00198 {
00199 { NULL, 0, NULL, NULL },
00200 NULL,
00201 }
00202 };
00203
00204 FN_OID_TYPED_FROM_ASN1(oid_x520_attr_t, x520_attr, oid_x520_attr_type);
00205 FN_OID_GET_ATTR1(oid_get_attr_short_name, oid_x520_attr_t, x520_attr, const char *, short_name);
00206
00207 #if defined(POLARSSL_X509_USE_C) || defined(POLARSSL_X509_CREATE_C)
00208
00209
00210
00211 typedef struct {
00212 oid_descriptor_t descriptor;
00213 int ext_type;
00214 } oid_x509_ext_t;
00215
00216 static const oid_x509_ext_t oid_x509_ext[] =
00217 {
00218 {
00219 { ADD_LEN( OID_BASIC_CONSTRAINTS ), "id-ce-basicConstraints", "Basic Constraints" },
00220 EXT_BASIC_CONSTRAINTS,
00221 },
00222 {
00223 { ADD_LEN( OID_KEY_USAGE ), "id-ce-keyUsage", "Key Usage" },
00224 EXT_KEY_USAGE,
00225 },
00226 {
00227 { ADD_LEN( OID_EXTENDED_KEY_USAGE ), "id-ce-keyUsage", "Extended Key Usage" },
00228 EXT_EXTENDED_KEY_USAGE,
00229 },
00230 {
00231 { ADD_LEN( OID_SUBJECT_ALT_NAME ), "id-ce-subjectAltName", "Subject Alt Name" },
00232 EXT_SUBJECT_ALT_NAME,
00233 },
00234 {
00235 { ADD_LEN( OID_NS_CERT_TYPE ), "id-netscape-certtype", "Netscape Certificate Type" },
00236 EXT_NS_CERT_TYPE,
00237 },
00238 {
00239 { NULL, 0, NULL, NULL },
00240 0,
00241 },
00242 };
00243
00244 FN_OID_TYPED_FROM_ASN1(oid_x509_ext_t, x509_ext, oid_x509_ext);
00245 FN_OID_GET_ATTR1(oid_get_x509_ext_type, oid_x509_ext_t, x509_ext, int, ext_type);
00246
00247 static const oid_descriptor_t oid_ext_key_usage[] =
00248 {
00249 { ADD_LEN( OID_SERVER_AUTH ), "id-kp-serverAuth", "TLS Web Server Authentication" },
00250 { ADD_LEN( OID_CLIENT_AUTH ), "id-kp-clientAuth", "TLS Web Client Authentication" },
00251 { ADD_LEN( OID_CODE_SIGNING ), "id-kp-codeSigning", "Code Signing" },
00252 { ADD_LEN( OID_EMAIL_PROTECTION ), "id-kp-emailProtection", "E-mail Protection" },
00253 { ADD_LEN( OID_TIME_STAMPING ), "id-kp-timeStamping", "Time Stamping" },
00254 { ADD_LEN( OID_OCSP_SIGNING ), "id-kp-OCSPSigning", "OCSP Signing" },
00255 { NULL, 0, NULL, NULL },
00256 };
00257
00258 FN_OID_TYPED_FROM_ASN1(oid_descriptor_t, ext_key_usage, oid_ext_key_usage);
00259 FN_OID_GET_ATTR1(oid_get_extended_key_usage, oid_descriptor_t, ext_key_usage, const char *, description);
00260 #endif
00261
00262 #if defined(POLARSSL_MD_C)
00263
00264
00265
00266 typedef struct {
00267 oid_descriptor_t descriptor;
00268 md_type_t md_alg;
00269 pk_type_t pk_alg;
00270 } oid_sig_alg_t;
00271
00272 static const oid_sig_alg_t oid_sig_alg[] =
00273 {
00274 {
00275 { ADD_LEN( OID_PKCS1_MD2 ), "md2WithRSAEncryption", "RSA with MD2" },
00276 POLARSSL_MD_MD2, POLARSSL_PK_RSA,
00277 },
00278 {
00279 { ADD_LEN( OID_PKCS1_MD4 ), "md4WithRSAEncryption", "RSA with MD4" },
00280 POLARSSL_MD_MD4, POLARSSL_PK_RSA,
00281 },
00282 {
00283 { ADD_LEN( OID_PKCS1_MD5 ), "md5WithRSAEncryption", "RSA with MD5" },
00284 POLARSSL_MD_MD5, POLARSSL_PK_RSA,
00285 },
00286 {
00287 { ADD_LEN( OID_PKCS1_SHA1 ), "sha-1WithRSAEncryption", "RSA with SHA1" },
00288 POLARSSL_MD_SHA1, POLARSSL_PK_RSA,
00289 },
00290 {
00291 { ADD_LEN( OID_PKCS1_SHA224 ), "sha224WithRSAEncryption", "RSA with SHA-224" },
00292 POLARSSL_MD_SHA224, POLARSSL_PK_RSA,
00293 },
00294 {
00295 { ADD_LEN( OID_PKCS1_SHA256 ), "sha256WithRSAEncryption", "RSA with SHA-256" },
00296 POLARSSL_MD_SHA256, POLARSSL_PK_RSA,
00297 },
00298 {
00299 { ADD_LEN( OID_PKCS1_SHA384 ), "sha384WithRSAEncryption", "RSA with SHA-384" },
00300 POLARSSL_MD_SHA384, POLARSSL_PK_RSA,
00301 },
00302 {
00303 { ADD_LEN( OID_PKCS1_SHA512 ), "sha512WithRSAEncryption", "RSA with SHA-512" },
00304 POLARSSL_MD_SHA512, POLARSSL_PK_RSA,
00305 },
00306 {
00307 { ADD_LEN( OID_RSA_SHA_OBS ), "sha-1WithRSAEncryption", "RSA with SHA1" },
00308 POLARSSL_MD_SHA1, POLARSSL_PK_RSA,
00309 },
00310 {
00311 { ADD_LEN( OID_ECDSA_SHA1 ), "ecdsa-with-SHA1", "ECDSA with SHA1" },
00312 POLARSSL_MD_SHA1, POLARSSL_PK_ECDSA,
00313 },
00314 {
00315 { ADD_LEN( OID_ECDSA_SHA224 ), "ecdsa-with-SHA224", "ECDSA with SHA224" },
00316 POLARSSL_MD_SHA224, POLARSSL_PK_ECDSA,
00317 },
00318 {
00319 { ADD_LEN( OID_ECDSA_SHA256 ), "ecdsa-with-SHA256", "ECDSA with SHA256" },
00320 POLARSSL_MD_SHA256, POLARSSL_PK_ECDSA,
00321 },
00322 {
00323 { ADD_LEN( OID_ECDSA_SHA384 ), "ecdsa-with-SHA384", "ECDSA with SHA384" },
00324 POLARSSL_MD_SHA384, POLARSSL_PK_ECDSA,
00325 },
00326 {
00327 { ADD_LEN( OID_ECDSA_SHA512 ), "ecdsa-with-SHA512", "ECDSA with SHA512" },
00328 POLARSSL_MD_SHA512, POLARSSL_PK_ECDSA,
00329 },
00330 {
00331 { NULL, 0, NULL, NULL },
00332 0, 0,
00333 },
00334 };
00335
00336 FN_OID_TYPED_FROM_ASN1(oid_sig_alg_t, sig_alg, oid_sig_alg);
00337 FN_OID_GET_DESCRIPTOR_ATTR1(oid_get_sig_alg_desc, oid_sig_alg_t, sig_alg, const char *, description);
00338 FN_OID_GET_ATTR2(oid_get_sig_alg, oid_sig_alg_t, sig_alg, md_type_t, md_alg, pk_type_t, pk_alg);
00339 FN_OID_GET_OID_BY_ATTR2(oid_get_oid_by_sig_alg, oid_sig_alg_t, oid_sig_alg, pk_type_t, pk_alg, md_type_t, md_alg);
00340 #endif
00341
00342
00343
00344
00345 typedef struct {
00346 oid_descriptor_t descriptor;
00347 pk_type_t pk_alg;
00348 } oid_pk_alg_t;
00349
00350 static const oid_pk_alg_t oid_pk_alg[] =
00351 {
00352 {
00353 { ADD_LEN( OID_PKCS1_RSA ), "rsaEncryption", "RSA" },
00354 POLARSSL_PK_RSA,
00355 },
00356 {
00357 { ADD_LEN( OID_EC_ALG_UNRESTRICTED ), "id-ecPublicKey", "Generic EC key" },
00358 POLARSSL_PK_ECKEY,
00359 },
00360 {
00361 { ADD_LEN( OID_EC_ALG_ECDH ), "id-ecDH", "EC key for ECDH" },
00362 POLARSSL_PK_ECKEY_DH,
00363 },
00364 {
00365 { NULL, 0, NULL, NULL },
00366 0,
00367 },
00368 };
00369
00370 FN_OID_TYPED_FROM_ASN1(oid_pk_alg_t, pk_alg, oid_pk_alg);
00371 FN_OID_GET_ATTR1(oid_get_pk_alg, oid_pk_alg_t, pk_alg, pk_type_t, pk_alg);
00372 FN_OID_GET_OID_BY_ATTR1(oid_get_oid_by_pk_alg, oid_pk_alg_t, oid_pk_alg, pk_type_t, pk_alg);
00373
00374 #if defined(POLARSSL_ECP_C)
00375
00376
00377
00378 typedef struct {
00379 oid_descriptor_t descriptor;
00380 ecp_group_id grp_id;
00381 } oid_ecp_grp_t;
00382
00383 static const oid_ecp_grp_t oid_ecp_grp[] =
00384 {
00385 {
00386 { ADD_LEN( OID_EC_GRP_SECP192R1 ), "secp192r1", "secp192r1" },
00387 POLARSSL_ECP_DP_SECP192R1,
00388 },
00389 {
00390 { ADD_LEN( OID_EC_GRP_SECP224R1 ), "secp224r1", "secp224r1" },
00391 POLARSSL_ECP_DP_SECP224R1,
00392 },
00393 {
00394 { ADD_LEN( OID_EC_GRP_SECP256R1 ), "secp256r1", "secp256r1" },
00395 POLARSSL_ECP_DP_SECP256R1,
00396 },
00397 {
00398 { ADD_LEN( OID_EC_GRP_SECP384R1 ), "secp384r1", "secp384r1" },
00399 POLARSSL_ECP_DP_SECP384R1,
00400 },
00401 {
00402 { ADD_LEN( OID_EC_GRP_SECP521R1 ), "secp521r1", "secp521r1" },
00403 POLARSSL_ECP_DP_SECP521R1,
00404 },
00405 {
00406 { ADD_LEN( OID_EC_GRP_BP256R1 ), "brainpoolP256r1","brainpool256r1" },
00407 POLARSSL_ECP_DP_BP256R1,
00408 },
00409 {
00410 { ADD_LEN( OID_EC_GRP_BP384R1 ), "brainpoolP384r1","brainpool384r1" },
00411 POLARSSL_ECP_DP_BP384R1,
00412 },
00413 {
00414 { ADD_LEN( OID_EC_GRP_BP512R1 ), "brainpoolP512r1","brainpool512r1" },
00415 POLARSSL_ECP_DP_BP512R1,
00416 },
00417 {
00418 { NULL, 0, NULL, NULL },
00419 0,
00420 },
00421 };
00422
00423 FN_OID_TYPED_FROM_ASN1(oid_ecp_grp_t, grp_id, oid_ecp_grp);
00424 FN_OID_GET_ATTR1(oid_get_ec_grp, oid_ecp_grp_t, grp_id, ecp_group_id, grp_id);
00425 FN_OID_GET_OID_BY_ATTR1(oid_get_oid_by_ec_grp, oid_ecp_grp_t, oid_ecp_grp, ecp_group_id, grp_id);
00426 #endif
00427
00428 #if defined(POLARSSL_CIPHER_C)
00429
00430
00431
00432 typedef struct {
00433 oid_descriptor_t descriptor;
00434 cipher_type_t cipher_alg;
00435 } oid_cipher_alg_t;
00436
00437 static const oid_cipher_alg_t oid_cipher_alg[] =
00438 {
00439 {
00440 { ADD_LEN( OID_DES_CBC ), "desCBC", "DES-CBC" },
00441 POLARSSL_CIPHER_DES_CBC,
00442 },
00443 {
00444 { ADD_LEN( OID_DES_EDE3_CBC ), "des-ede3-cbc", "DES-EDE3-CBC" },
00445 POLARSSL_CIPHER_DES_EDE3_CBC,
00446 },
00447 {
00448 { NULL, 0, NULL, NULL },
00449 0,
00450 },
00451 };
00452
00453 FN_OID_TYPED_FROM_ASN1(oid_cipher_alg_t, cipher_alg, oid_cipher_alg);
00454 FN_OID_GET_ATTR1(oid_get_cipher_alg, oid_cipher_alg_t, cipher_alg, cipher_type_t, cipher_alg);
00455 #endif
00456
00457 #if defined(POLARSSL_MD_C)
00458
00459
00460
00461 typedef struct {
00462 oid_descriptor_t descriptor;
00463 md_type_t md_alg;
00464 } oid_md_alg_t;
00465
00466 static const oid_md_alg_t oid_md_alg[] =
00467 {
00468 {
00469 { ADD_LEN( OID_DIGEST_ALG_MD2 ), "id-md2", "MD2" },
00470 POLARSSL_MD_MD2,
00471 },
00472 {
00473 { ADD_LEN( OID_DIGEST_ALG_MD4 ), "id-md4", "MD4" },
00474 POLARSSL_MD_MD4,
00475 },
00476 {
00477 { ADD_LEN( OID_DIGEST_ALG_MD5 ), "id-md5", "MD5" },
00478 POLARSSL_MD_MD5,
00479 },
00480 {
00481 { ADD_LEN( OID_DIGEST_ALG_SHA1 ), "id-sha1", "SHA-1" },
00482 POLARSSL_MD_SHA1,
00483 },
00484 {
00485 { ADD_LEN( OID_DIGEST_ALG_SHA1 ), "id-sha1", "SHA-1" },
00486 POLARSSL_MD_SHA1,
00487 },
00488 {
00489 { ADD_LEN( OID_DIGEST_ALG_SHA224 ), "id-sha224", "SHA-224" },
00490 POLARSSL_MD_SHA224,
00491 },
00492 {
00493 { ADD_LEN( OID_DIGEST_ALG_SHA256 ), "id-sha256", "SHA-256" },
00494 POLARSSL_MD_SHA256,
00495 },
00496 {
00497 { ADD_LEN( OID_DIGEST_ALG_SHA384 ), "id-sha384", "SHA-384" },
00498 POLARSSL_MD_SHA384,
00499 },
00500 {
00501 { ADD_LEN( OID_DIGEST_ALG_SHA512 ), "id-sha512", "SHA-512" },
00502 POLARSSL_MD_SHA512,
00503 },
00504 {
00505 { NULL, 0, NULL, NULL },
00506 0,
00507 },
00508 };
00509
00510 FN_OID_TYPED_FROM_ASN1(oid_md_alg_t, md_alg, oid_md_alg);
00511 FN_OID_GET_ATTR1(oid_get_md_alg, oid_md_alg_t, md_alg, md_type_t, md_alg);
00512 FN_OID_GET_OID_BY_ATTR1(oid_get_oid_by_md, oid_md_alg_t, oid_md_alg, md_type_t, md_alg);
00513 #endif
00514
00515 #if defined(POLARSSL_PKCS12_C)
00516
00517
00518
00519 typedef struct {
00520 oid_descriptor_t descriptor;
00521 md_type_t md_alg;
00522 cipher_type_t cipher_alg;
00523 } oid_pkcs12_pbe_alg_t;
00524
00525 static const oid_pkcs12_pbe_alg_t oid_pkcs12_pbe_alg[] =
00526 {
00527 {
00528 { ADD_LEN( OID_PKCS12_PBE_SHA1_DES3_EDE_CBC ), "pbeWithSHAAnd3-KeyTripleDES-CBC", "PBE with SHA1 and 3-Key 3DES" },
00529 POLARSSL_MD_SHA1, POLARSSL_CIPHER_DES_EDE3_CBC,
00530 },
00531 {
00532 { ADD_LEN( OID_PKCS12_PBE_SHA1_DES2_EDE_CBC ), "pbeWithSHAAnd2-KeyTripleDES-CBC", "PBE with SHA1 and 2-Key 3DES" },
00533 POLARSSL_MD_SHA1, POLARSSL_CIPHER_DES_EDE_CBC,
00534 },
00535 {
00536 { NULL, 0, NULL, NULL },
00537 0, 0,
00538 },
00539 };
00540
00541 FN_OID_TYPED_FROM_ASN1(oid_pkcs12_pbe_alg_t, pkcs12_pbe_alg, oid_pkcs12_pbe_alg);
00542 FN_OID_GET_ATTR2(oid_get_pkcs12_pbe_alg, oid_pkcs12_pbe_alg_t, pkcs12_pbe_alg, md_type_t, md_alg, cipher_type_t, cipher_alg);
00543 #endif
00544
00545 #if defined(_MSC_VER) && !defined snprintf && !defined(EFIX64) && \
00546 !defined(EFI32)
00547 #include <stdarg.h>
00548
00549 #if !defined vsnprintf
00550 #define vsnprintf _vsnprintf
00551 #endif // vsnprintf
00552
00553
00554
00555
00556
00557
00558
00559
00560 static int compat_snprintf(char *str, size_t size, const char *format, ...)
00561 {
00562 va_list ap;
00563 int res = -1;
00564
00565 va_start( ap, format );
00566
00567 res = vsnprintf( str, size, format, ap );
00568
00569 va_end( ap );
00570
00571
00572 if ( res < 0 )
00573 return( (int) size + 20 );
00574
00575 return res;
00576 }
00577
00578 #define snprintf compat_snprintf
00579 #endif
00580
00581 #define POLARSSL_ERR_DEBUG_BUF_TOO_SMALL -2
00582
00583 #define SAFE_SNPRINTF() \
00584 { \
00585 if( ret == -1 ) \
00586 return( -1 ); \
00587 \
00588 if ( (unsigned int) ret > n ) { \
00589 p[n - 1] = '\0'; \
00590 return POLARSSL_ERR_DEBUG_BUF_TOO_SMALL;\
00591 } \
00592 \
00593 n -= (unsigned int) ret; \
00594 p += (unsigned int) ret; \
00595 }
00596
00597
00598 int oid_get_numeric_string( char *buf, size_t size,
00599 const asn1_buf *oid )
00600 {
00601 int ret;
00602 size_t i, n;
00603 unsigned int value;
00604 char *p;
00605
00606 p = buf;
00607 n = size;
00608
00609
00610 if( oid->len > 0 )
00611 {
00612 ret = snprintf( p, n, "%d.%d", oid->p[0] / 40, oid->p[0] % 40 );
00613 SAFE_SNPRINTF();
00614 }
00615
00616 value = 0;
00617 for( i = 1; i < oid->len; i++ )
00618 {
00619
00620 if ( ( ( value << 7 ) >> 7 ) != value )
00621 return( POLARSSL_ERR_DEBUG_BUF_TOO_SMALL );
00622
00623 value <<= 7;
00624 value += oid->p[i] & 0x7F;
00625
00626 if( !( oid->p[i] & 0x80 ) )
00627 {
00628
00629 ret = snprintf( p, n, ".%d", value );
00630 SAFE_SNPRINTF();
00631 value = 0;
00632 }
00633 }
00634
00635 return( (int) ( size - n ) );
00636 }
00637
00638 #endif