| /** |
| * \file oid.c |
| * |
| * \brief Object Identifier (OID) database |
| * |
| * Copyright The Mbed TLS Contributors |
| * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later |
| */ |
| |
| #include "common.h" |
| |
| #if defined(MBEDTLS_OID_C) |
| |
| #include "mbedtls/oid.h" |
| #include "mbedtls/rsa.h" |
| #include "mbedtls/error.h" |
| #include "mbedtls/pk.h" |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "mbedtls/platform.h" |
| |
| /* |
| * Macro to automatically add the size of #define'd OIDs |
| */ |
| #define ADD_LEN(s) s, MBEDTLS_OID_SIZE(s) |
| |
| /* |
| * Macro to generate mbedtls_oid_descriptor_t |
| */ |
| #if !defined(MBEDTLS_X509_REMOVE_INFO) |
| #define OID_DESCRIPTOR(s, name, description) { ADD_LEN(s), name, description } |
| #define NULL_OID_DESCRIPTOR { NULL, 0, NULL, NULL } |
| #else |
| #define OID_DESCRIPTOR(s, name, description) { ADD_LEN(s) } |
| #define NULL_OID_DESCRIPTOR { NULL, 0 } |
| #endif |
| |
| /* |
| * Macro to generate an internal function for oid_XXX_from_asn1() (used by |
| * the other functions) |
| */ |
| #define FN_OID_TYPED_FROM_ASN1(TYPE_T, NAME, LIST) \ |
| static const TYPE_T *oid_ ## NAME ## _from_asn1( \ |
| const mbedtls_asn1_buf *oid) \ |
| { \ |
| const TYPE_T *p = (LIST); \ |
| const mbedtls_oid_descriptor_t *cur = \ |
| (const mbedtls_oid_descriptor_t *) p; \ |
| if (p == NULL || oid == NULL) return NULL; \ |
| while (cur->asn1 != NULL) { \ |
| if (cur->asn1_len == oid->len && \ |
| memcmp(cur->asn1, oid->p, oid->len) == 0) { \ |
| return p; \ |
| } \ |
| p++; \ |
| cur = (const mbedtls_oid_descriptor_t *) p; \ |
| } \ |
| return NULL; \ |
| } |
| |
| #if !defined(MBEDTLS_X509_REMOVE_INFO) |
| /* |
| * Macro to generate a function for retrieving a single attribute from the |
| * descriptor of an mbedtls_oid_descriptor_t wrapper. |
| */ |
| #define FN_OID_GET_DESCRIPTOR_ATTR1(FN_NAME, TYPE_T, TYPE_NAME, ATTR1_TYPE, ATTR1) \ |
| int FN_NAME(const mbedtls_asn1_buf *oid, ATTR1_TYPE * ATTR1) \ |
| { \ |
| const TYPE_T *data = oid_ ## TYPE_NAME ## _from_asn1(oid); \ |
| if (data == NULL) return MBEDTLS_ERR_OID_NOT_FOUND; \ |
| *ATTR1 = data->descriptor.ATTR1; \ |
| return 0; \ |
| } |
| #endif /* MBEDTLS_X509_REMOVE_INFO */ |
| |
| /* |
| * Macro to generate a function for retrieving a single attribute from an |
| * mbedtls_oid_descriptor_t wrapper. |
| */ |
| #define FN_OID_GET_ATTR1(FN_NAME, TYPE_T, TYPE_NAME, ATTR1_TYPE, ATTR1) \ |
| int FN_NAME(const mbedtls_asn1_buf *oid, ATTR1_TYPE * ATTR1) \ |
| { \ |
| const TYPE_T *data = oid_ ## TYPE_NAME ## _from_asn1(oid); \ |
| if (data == NULL) return MBEDTLS_ERR_OID_NOT_FOUND; \ |
| *ATTR1 = data->ATTR1; \ |
| return 0; \ |
| } |
| |
| /* |
| * Macro to generate a function for retrieving two attributes from an |
| * mbedtls_oid_descriptor_t wrapper. |
| */ |
| #define FN_OID_GET_ATTR2(FN_NAME, TYPE_T, TYPE_NAME, ATTR1_TYPE, ATTR1, \ |
| ATTR2_TYPE, ATTR2) \ |
| int FN_NAME(const mbedtls_asn1_buf *oid, ATTR1_TYPE * ATTR1, \ |
| ATTR2_TYPE * ATTR2) \ |
| { \ |
| const TYPE_T *data = oid_ ## TYPE_NAME ## _from_asn1(oid); \ |
| if (data == NULL) return MBEDTLS_ERR_OID_NOT_FOUND; \ |
| *(ATTR1) = data->ATTR1; \ |
| *(ATTR2) = data->ATTR2; \ |
| return 0; \ |
| } |
| |
| /* |
| * Macro to generate a function for retrieving the OID based on a single |
| * attribute from a mbedtls_oid_descriptor_t wrapper. |
| */ |
| #define FN_OID_GET_OID_BY_ATTR1(FN_NAME, TYPE_T, LIST, ATTR1_TYPE, ATTR1) \ |
| int FN_NAME(ATTR1_TYPE ATTR1, const char **oid, size_t *olen) \ |
| { \ |
| const TYPE_T *cur = (LIST); \ |
| while (cur->descriptor.asn1 != NULL) { \ |
| if (cur->ATTR1 == (ATTR1)) { \ |
| *oid = cur->descriptor.asn1; \ |
| *olen = cur->descriptor.asn1_len; \ |
| return 0; \ |
| } \ |
| cur++; \ |
| } \ |
| return MBEDTLS_ERR_OID_NOT_FOUND; \ |
| } |
| |
| /* |
| * Macro to generate a function for retrieving the OID based on two |
| * attributes from a mbedtls_oid_descriptor_t wrapper. |
| */ |
| #define FN_OID_GET_OID_BY_ATTR2(FN_NAME, TYPE_T, LIST, ATTR1_TYPE, ATTR1, \ |
| ATTR2_TYPE, ATTR2) \ |
| int FN_NAME(ATTR1_TYPE ATTR1, ATTR2_TYPE ATTR2, const char **oid, \ |
| size_t *olen) \ |
| { \ |
| const TYPE_T *cur = (LIST); \ |
| while (cur->descriptor.asn1 != NULL) { \ |
| if (cur->ATTR1 == (ATTR1) && cur->ATTR2 == (ATTR2)) { \ |
| *oid = cur->descriptor.asn1; \ |
| *olen = cur->descriptor.asn1_len; \ |
| return 0; \ |
| } \ |
| cur++; \ |
| } \ |
| return MBEDTLS_ERR_OID_NOT_FOUND; \ |
| } |
| |
| /* |
| * For X520 attribute types |
| */ |
| typedef struct { |
| mbedtls_oid_descriptor_t descriptor; |
| const char *short_name; |
| } oid_x520_attr_t; |
| |
| static const oid_x520_attr_t oid_x520_attr_type[] = |
| { |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_CN, "id-at-commonName", "Common Name"), |
| "CN", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_COUNTRY, "id-at-countryName", "Country"), |
| "C", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_LOCALITY, "id-at-locality", "Locality"), |
| "L", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_STATE, "id-at-state", "State"), |
| "ST", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_ORGANIZATION, "id-at-organizationName", |
| "Organization"), |
| "O", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_ORG_UNIT, "id-at-organizationalUnitName", "Org Unit"), |
| "OU", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_PKCS9_EMAIL, |
| "emailAddress", |
| "E-mail address"), |
| "emailAddress", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_SERIAL_NUMBER, |
| "id-at-serialNumber", |
| "Serial number"), |
| "serialNumber", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_POSTAL_ADDRESS, |
| "id-at-postalAddress", |
| "Postal address"), |
| "postalAddress", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_POSTAL_CODE, "id-at-postalCode", "Postal code"), |
| "postalCode", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_SUR_NAME, "id-at-surName", "Surname"), |
| "SN", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_GIVEN_NAME, "id-at-givenName", "Given name"), |
| "GN", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_INITIALS, "id-at-initials", "Initials"), |
| "initials", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_GENERATION_QUALIFIER, |
| "id-at-generationQualifier", |
| "Generation qualifier"), |
| "generationQualifier", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_TITLE, "id-at-title", "Title"), |
| "title", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_DN_QUALIFIER, |
| "id-at-dnQualifier", |
| "Distinguished Name qualifier"), |
| "dnQualifier", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_PSEUDONYM, "id-at-pseudonym", "Pseudonym"), |
| "pseudonym", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_UID, "id-uid", "User Id"), |
| "uid", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DOMAIN_COMPONENT, |
| "id-domainComponent", |
| "Domain component"), |
| "DC", |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AT_UNIQUE_IDENTIFIER, |
| "id-at-uniqueIdentifier", |
| "Unique Identifier"), |
| "uniqueIdentifier", |
| }, |
| { |
| NULL_OID_DESCRIPTOR, |
| NULL, |
| } |
| }; |
| |
| FN_OID_TYPED_FROM_ASN1(oid_x520_attr_t, x520_attr, oid_x520_attr_type) |
| FN_OID_GET_ATTR1(mbedtls_oid_get_attr_short_name, |
| oid_x520_attr_t, |
| x520_attr, |
| const char *, |
| short_name) |
| |
| /* |
| * For X509 extensions |
| */ |
| typedef struct { |
| mbedtls_oid_descriptor_t descriptor; |
| int ext_type; |
| } oid_x509_ext_t; |
| |
| static const oid_x509_ext_t oid_x509_ext[] = |
| { |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_BASIC_CONSTRAINTS, |
| "id-ce-basicConstraints", |
| "Basic Constraints"), |
| MBEDTLS_OID_X509_EXT_BASIC_CONSTRAINTS, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_KEY_USAGE, "id-ce-keyUsage", "Key Usage"), |
| MBEDTLS_OID_X509_EXT_KEY_USAGE, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EXTENDED_KEY_USAGE, |
| "id-ce-extKeyUsage", |
| "Extended Key Usage"), |
| MBEDTLS_OID_X509_EXT_EXTENDED_KEY_USAGE, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_SUBJECT_ALT_NAME, |
| "id-ce-subjectAltName", |
| "Subject Alt Name"), |
| MBEDTLS_OID_X509_EXT_SUBJECT_ALT_NAME, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_NS_CERT_TYPE, |
| "id-netscape-certtype", |
| "Netscape Certificate Type"), |
| MBEDTLS_OID_X509_EXT_NS_CERT_TYPE, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_CERTIFICATE_POLICIES, |
| "id-ce-certificatePolicies", |
| "Certificate Policies"), |
| MBEDTLS_OID_X509_EXT_CERTIFICATE_POLICIES, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_SUBJECT_KEY_IDENTIFIER, |
| "id-ce-subjectKeyIdentifier", |
| "Subject Key Identifier"), |
| MBEDTLS_OID_X509_EXT_SUBJECT_KEY_IDENTIFIER, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AUTHORITY_KEY_IDENTIFIER, |
| "id-ce-authorityKeyIdentifier", |
| "Authority Key Identifier"), |
| MBEDTLS_OID_X509_EXT_AUTHORITY_KEY_IDENTIFIER, |
| }, |
| { |
| NULL_OID_DESCRIPTOR, |
| 0, |
| }, |
| }; |
| |
| FN_OID_TYPED_FROM_ASN1(oid_x509_ext_t, x509_ext, oid_x509_ext) |
| FN_OID_GET_ATTR1(mbedtls_oid_get_x509_ext_type, oid_x509_ext_t, x509_ext, int, ext_type) |
| |
| #if !defined(MBEDTLS_X509_REMOVE_INFO) |
| static const mbedtls_oid_descriptor_t oid_ext_key_usage[] = |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_SERVER_AUTH, |
| "id-kp-serverAuth", |
| "TLS Web Server Authentication"), |
| OID_DESCRIPTOR(MBEDTLS_OID_CLIENT_AUTH, |
| "id-kp-clientAuth", |
| "TLS Web Client Authentication"), |
| OID_DESCRIPTOR(MBEDTLS_OID_CODE_SIGNING, "id-kp-codeSigning", "Code Signing"), |
| OID_DESCRIPTOR(MBEDTLS_OID_EMAIL_PROTECTION, "id-kp-emailProtection", "E-mail Protection"), |
| OID_DESCRIPTOR(MBEDTLS_OID_TIME_STAMPING, "id-kp-timeStamping", "Time Stamping"), |
| OID_DESCRIPTOR(MBEDTLS_OID_OCSP_SIGNING, "id-kp-OCSPSigning", "OCSP Signing"), |
| OID_DESCRIPTOR(MBEDTLS_OID_WISUN_FAN, |
| "id-kp-wisun-fan-device", |
| "Wi-SUN Alliance Field Area Network (FAN)"), |
| NULL_OID_DESCRIPTOR, |
| }; |
| |
| FN_OID_TYPED_FROM_ASN1(mbedtls_oid_descriptor_t, ext_key_usage, oid_ext_key_usage) |
| FN_OID_GET_ATTR1(mbedtls_oid_get_extended_key_usage, |
| mbedtls_oid_descriptor_t, |
| ext_key_usage, |
| const char *, |
| description) |
| |
| static const mbedtls_oid_descriptor_t oid_certificate_policies[] = |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_ANY_POLICY, "anyPolicy", "Any Policy"), |
| NULL_OID_DESCRIPTOR, |
| }; |
| |
| FN_OID_TYPED_FROM_ASN1(mbedtls_oid_descriptor_t, certificate_policies, oid_certificate_policies) |
| FN_OID_GET_ATTR1(mbedtls_oid_get_certificate_policies, |
| mbedtls_oid_descriptor_t, |
| certificate_policies, |
| const char *, |
| description) |
| #endif /* MBEDTLS_X509_REMOVE_INFO */ |
| |
| /* |
| * For SignatureAlgorithmIdentifier |
| */ |
| typedef struct { |
| mbedtls_oid_descriptor_t descriptor; |
| mbedtls_md_type_t md_alg; |
| mbedtls_pk_type_t pk_alg; |
| } oid_sig_alg_t; |
| |
| static const oid_sig_alg_t oid_sig_alg[] = |
| { |
| #if defined(MBEDTLS_RSA_C) |
| #if defined(MBEDTLS_MD_CAN_MD5) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_MD5, "md5WithRSAEncryption", "RSA with MD5"), |
| MBEDTLS_MD_MD5, MBEDTLS_PK_RSA, |
| }, |
| #endif /* MBEDTLS_MD_CAN_MD5 */ |
| #if defined(MBEDTLS_MD_CAN_SHA1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_SHA1, "sha-1WithRSAEncryption", "RSA with SHA1"), |
| MBEDTLS_MD_SHA1, MBEDTLS_PK_RSA, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA1 */ |
| #if defined(MBEDTLS_MD_CAN_SHA224) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_SHA224, "sha224WithRSAEncryption", |
| "RSA with SHA-224"), |
| MBEDTLS_MD_SHA224, MBEDTLS_PK_RSA, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA224 */ |
| #if defined(MBEDTLS_MD_CAN_SHA256) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_SHA256, "sha256WithRSAEncryption", |
| "RSA with SHA-256"), |
| MBEDTLS_MD_SHA256, MBEDTLS_PK_RSA, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA256 */ |
| #if defined(MBEDTLS_MD_CAN_SHA384) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_SHA384, "sha384WithRSAEncryption", |
| "RSA with SHA-384"), |
| MBEDTLS_MD_SHA384, MBEDTLS_PK_RSA, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA384 */ |
| #if defined(MBEDTLS_MD_CAN_SHA512) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_SHA512, "sha512WithRSAEncryption", |
| "RSA with SHA-512"), |
| MBEDTLS_MD_SHA512, MBEDTLS_PK_RSA, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA512 */ |
| #if defined(MBEDTLS_MD_CAN_SHA1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_RSA_SHA_OBS, "sha-1WithRSAEncryption", "RSA with SHA1"), |
| MBEDTLS_MD_SHA1, MBEDTLS_PK_RSA, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA1 */ |
| #endif /* MBEDTLS_RSA_C */ |
| #if defined(MBEDTLS_PK_CAN_ECDSA_SOME) |
| #if defined(MBEDTLS_MD_CAN_SHA1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_ECDSA_SHA1, "ecdsa-with-SHA1", "ECDSA with SHA1"), |
| MBEDTLS_MD_SHA1, MBEDTLS_PK_ECDSA, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA1 */ |
| #if defined(MBEDTLS_MD_CAN_SHA224) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_ECDSA_SHA224, "ecdsa-with-SHA224", "ECDSA with SHA224"), |
| MBEDTLS_MD_SHA224, MBEDTLS_PK_ECDSA, |
| }, |
| #endif |
| #if defined(MBEDTLS_MD_CAN_SHA256) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_ECDSA_SHA256, "ecdsa-with-SHA256", "ECDSA with SHA256"), |
| MBEDTLS_MD_SHA256, MBEDTLS_PK_ECDSA, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA256 */ |
| #if defined(MBEDTLS_MD_CAN_SHA384) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_ECDSA_SHA384, "ecdsa-with-SHA384", "ECDSA with SHA384"), |
| MBEDTLS_MD_SHA384, MBEDTLS_PK_ECDSA, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA384 */ |
| #if defined(MBEDTLS_MD_CAN_SHA512) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_ECDSA_SHA512, "ecdsa-with-SHA512", "ECDSA with SHA512"), |
| MBEDTLS_MD_SHA512, MBEDTLS_PK_ECDSA, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA512 */ |
| #endif /* MBEDTLS_PK_CAN_ECDSA_SOME */ |
| #if defined(MBEDTLS_RSA_C) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_RSASSA_PSS, "RSASSA-PSS", "RSASSA-PSS"), |
| MBEDTLS_MD_NONE, MBEDTLS_PK_RSASSA_PSS, |
| }, |
| #endif /* MBEDTLS_RSA_C */ |
| { |
| NULL_OID_DESCRIPTOR, |
| MBEDTLS_MD_NONE, MBEDTLS_PK_NONE, |
| }, |
| }; |
| |
| FN_OID_TYPED_FROM_ASN1(oid_sig_alg_t, sig_alg, oid_sig_alg) |
| |
| #if !defined(MBEDTLS_X509_REMOVE_INFO) |
| FN_OID_GET_DESCRIPTOR_ATTR1(mbedtls_oid_get_sig_alg_desc, |
| oid_sig_alg_t, |
| sig_alg, |
| const char *, |
| description) |
| #endif |
| |
| FN_OID_GET_ATTR2(mbedtls_oid_get_sig_alg, |
| oid_sig_alg_t, |
| sig_alg, |
| mbedtls_md_type_t, |
| md_alg, |
| mbedtls_pk_type_t, |
| pk_alg) |
| FN_OID_GET_OID_BY_ATTR2(mbedtls_oid_get_oid_by_sig_alg, |
| oid_sig_alg_t, |
| oid_sig_alg, |
| mbedtls_pk_type_t, |
| pk_alg, |
| mbedtls_md_type_t, |
| md_alg) |
| |
| /* |
| * For PublicKeyInfo (PKCS1, RFC 5480) |
| */ |
| typedef struct { |
| mbedtls_oid_descriptor_t descriptor; |
| mbedtls_pk_type_t pk_alg; |
| } oid_pk_alg_t; |
| |
| static const oid_pk_alg_t oid_pk_alg[] = |
| { |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_RSA, "rsaEncryption", "RSA"), |
| MBEDTLS_PK_RSA, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EC_ALG_UNRESTRICTED, "id-ecPublicKey", "Generic EC key"), |
| MBEDTLS_PK_ECKEY, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EC_ALG_ECDH, "id-ecDH", "EC key for ECDH"), |
| MBEDTLS_PK_ECKEY_DH, |
| }, |
| { |
| NULL_OID_DESCRIPTOR, |
| MBEDTLS_PK_NONE, |
| }, |
| }; |
| |
| FN_OID_TYPED_FROM_ASN1(oid_pk_alg_t, pk_alg, oid_pk_alg) |
| FN_OID_GET_ATTR1(mbedtls_oid_get_pk_alg, oid_pk_alg_t, pk_alg, mbedtls_pk_type_t, pk_alg) |
| FN_OID_GET_OID_BY_ATTR1(mbedtls_oid_get_oid_by_pk_alg, |
| oid_pk_alg_t, |
| oid_pk_alg, |
| mbedtls_pk_type_t, |
| pk_alg) |
| |
| #if defined(MBEDTLS_PK_HAVE_ECC_KEYS) |
| /* |
| * For elliptic curves that use namedCurve inside ECParams (RFC 5480) |
| */ |
| typedef struct { |
| mbedtls_oid_descriptor_t descriptor; |
| mbedtls_ecp_group_id grp_id; |
| } oid_ecp_grp_t; |
| |
| static const oid_ecp_grp_t oid_ecp_grp[] = |
| { |
| #if defined(MBEDTLS_ECP_HAVE_SECP192R1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP192R1, "secp192r1", "secp192r1"), |
| MBEDTLS_ECP_DP_SECP192R1, |
| }, |
| #endif /* MBEDTLS_ECP_HAVE_SECP192R1 */ |
| #if defined(MBEDTLS_ECP_HAVE_SECP224R1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP224R1, "secp224r1", "secp224r1"), |
| MBEDTLS_ECP_DP_SECP224R1, |
| }, |
| #endif /* MBEDTLS_ECP_HAVE_SECP224R1 */ |
| #if defined(MBEDTLS_ECP_HAVE_SECP256R1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP256R1, "secp256r1", "secp256r1"), |
| MBEDTLS_ECP_DP_SECP256R1, |
| }, |
| #endif /* MBEDTLS_ECP_HAVE_SECP256R1 */ |
| #if defined(MBEDTLS_ECP_HAVE_SECP384R1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP384R1, "secp384r1", "secp384r1"), |
| MBEDTLS_ECP_DP_SECP384R1, |
| }, |
| #endif /* MBEDTLS_ECP_HAVE_SECP384R1 */ |
| #if defined(MBEDTLS_ECP_HAVE_SECP521R1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP521R1, "secp521r1", "secp521r1"), |
| MBEDTLS_ECP_DP_SECP521R1, |
| }, |
| #endif /* MBEDTLS_ECP_HAVE_SECP521R1 */ |
| #if defined(MBEDTLS_ECP_HAVE_SECP192K1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP192K1, "secp192k1", "secp192k1"), |
| MBEDTLS_ECP_DP_SECP192K1, |
| }, |
| #endif /* MBEDTLS_ECP_HAVE_SECP192K1 */ |
| #if defined(MBEDTLS_ECP_HAVE_SECP224K1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP224K1, "secp224k1", "secp224k1"), |
| MBEDTLS_ECP_DP_SECP224K1, |
| }, |
| #endif /* MBEDTLS_ECP_HAVE_SECP224K1 */ |
| #if defined(MBEDTLS_ECP_HAVE_SECP256K1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP256K1, "secp256k1", "secp256k1"), |
| MBEDTLS_ECP_DP_SECP256K1, |
| }, |
| #endif /* MBEDTLS_ECP_HAVE_SECP256K1 */ |
| #if defined(MBEDTLS_ECP_HAVE_BP256R1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_BP256R1, "brainpoolP256r1", "brainpool256r1"), |
| MBEDTLS_ECP_DP_BP256R1, |
| }, |
| #endif /* MBEDTLS_ECP_HAVE_BP256R1 */ |
| #if defined(MBEDTLS_ECP_HAVE_BP384R1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_BP384R1, "brainpoolP384r1", "brainpool384r1"), |
| MBEDTLS_ECP_DP_BP384R1, |
| }, |
| #endif /* MBEDTLS_ECP_HAVE_BP384R1 */ |
| #if defined(MBEDTLS_ECP_HAVE_BP512R1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_BP512R1, "brainpoolP512r1", "brainpool512r1"), |
| MBEDTLS_ECP_DP_BP512R1, |
| }, |
| #endif /* MBEDTLS_ECP_HAVE_BP512R1 */ |
| { |
| NULL_OID_DESCRIPTOR, |
| MBEDTLS_ECP_DP_NONE, |
| }, |
| }; |
| |
| FN_OID_TYPED_FROM_ASN1(oid_ecp_grp_t, grp_id, oid_ecp_grp) |
| FN_OID_GET_ATTR1(mbedtls_oid_get_ec_grp, oid_ecp_grp_t, grp_id, mbedtls_ecp_group_id, grp_id) |
| FN_OID_GET_OID_BY_ATTR1(mbedtls_oid_get_oid_by_ec_grp, |
| oid_ecp_grp_t, |
| oid_ecp_grp, |
| mbedtls_ecp_group_id, |
| grp_id) |
| |
| /* |
| * For Elliptic Curve algorithms that are directly |
| * encoded in the AlgorithmIdentifier (RFC 8410) |
| */ |
| typedef struct { |
| mbedtls_oid_descriptor_t descriptor; |
| mbedtls_ecp_group_id grp_id; |
| } oid_ecp_grp_algid_t; |
| |
| static const oid_ecp_grp_algid_t oid_ecp_grp_algid[] = |
| { |
| #if defined(MBEDTLS_ECP_HAVE_CURVE25519) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_X25519, "X25519", "X25519"), |
| MBEDTLS_ECP_DP_CURVE25519, |
| }, |
| #endif /* MBEDTLS_ECP_HAVE_CURVE25519 */ |
| #if defined(MBEDTLS_ECP_HAVE_CURVE448) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_X448, "X448", "X448"), |
| MBEDTLS_ECP_DP_CURVE448, |
| }, |
| #endif /* MBEDTLS_ECP_HAVE_CURVE448 */ |
| { |
| NULL_OID_DESCRIPTOR, |
| MBEDTLS_ECP_DP_NONE, |
| }, |
| }; |
| |
| FN_OID_TYPED_FROM_ASN1(oid_ecp_grp_algid_t, grp_id_algid, oid_ecp_grp_algid) |
| FN_OID_GET_ATTR1(mbedtls_oid_get_ec_grp_algid, |
| oid_ecp_grp_algid_t, |
| grp_id_algid, |
| mbedtls_ecp_group_id, |
| grp_id) |
| FN_OID_GET_OID_BY_ATTR1(mbedtls_oid_get_oid_by_ec_grp_algid, |
| oid_ecp_grp_algid_t, |
| oid_ecp_grp_algid, |
| mbedtls_ecp_group_id, |
| grp_id) |
| #endif /* MBEDTLS_PK_HAVE_ECC_KEYS */ |
| |
| #if defined(MBEDTLS_CIPHER_C) |
| /* |
| * For PKCS#5 PBES2 encryption algorithm |
| */ |
| typedef struct { |
| mbedtls_oid_descriptor_t descriptor; |
| mbedtls_cipher_type_t cipher_alg; |
| } oid_cipher_alg_t; |
| |
| static const oid_cipher_alg_t oid_cipher_alg[] = |
| { |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DES_CBC, "desCBC", "DES-CBC"), |
| MBEDTLS_CIPHER_DES_CBC, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DES_EDE3_CBC, "des-ede3-cbc", "DES-EDE3-CBC"), |
| MBEDTLS_CIPHER_DES_EDE3_CBC, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AES_128_CBC, "aes128-cbc", "AES128-CBC"), |
| MBEDTLS_CIPHER_AES_128_CBC, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AES_192_CBC, "aes192-cbc", "AES192-CBC"), |
| MBEDTLS_CIPHER_AES_192_CBC, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_AES_256_CBC, "aes256-cbc", "AES256-CBC"), |
| MBEDTLS_CIPHER_AES_256_CBC, |
| }, |
| { |
| NULL_OID_DESCRIPTOR, |
| MBEDTLS_CIPHER_NONE, |
| }, |
| }; |
| |
| FN_OID_TYPED_FROM_ASN1(oid_cipher_alg_t, cipher_alg, oid_cipher_alg) |
| FN_OID_GET_ATTR1(mbedtls_oid_get_cipher_alg, |
| oid_cipher_alg_t, |
| cipher_alg, |
| mbedtls_cipher_type_t, |
| cipher_alg) |
| #endif /* MBEDTLS_CIPHER_C */ |
| |
| /* |
| * For digestAlgorithm |
| */ |
| typedef struct { |
| mbedtls_oid_descriptor_t descriptor; |
| mbedtls_md_type_t md_alg; |
| } oid_md_alg_t; |
| |
| static const oid_md_alg_t oid_md_alg[] = |
| { |
| #if defined(MBEDTLS_MD_CAN_MD5) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_MD5, "id-md5", "MD5"), |
| MBEDTLS_MD_MD5, |
| }, |
| #endif |
| #if defined(MBEDTLS_MD_CAN_SHA1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA1, "id-sha1", "SHA-1"), |
| MBEDTLS_MD_SHA1, |
| }, |
| #endif |
| #if defined(MBEDTLS_MD_CAN_SHA224) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA224, "id-sha224", "SHA-224"), |
| MBEDTLS_MD_SHA224, |
| }, |
| #endif |
| #if defined(MBEDTLS_MD_CAN_SHA256) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA256, "id-sha256", "SHA-256"), |
| MBEDTLS_MD_SHA256, |
| }, |
| #endif |
| #if defined(MBEDTLS_MD_CAN_SHA384) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA384, "id-sha384", "SHA-384"), |
| MBEDTLS_MD_SHA384, |
| }, |
| #endif |
| #if defined(MBEDTLS_MD_CAN_SHA512) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA512, "id-sha512", "SHA-512"), |
| MBEDTLS_MD_SHA512, |
| }, |
| #endif |
| #if defined(MBEDTLS_MD_CAN_RIPEMD160) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_RIPEMD160, "id-ripemd160", "RIPEMD-160"), |
| MBEDTLS_MD_RIPEMD160, |
| }, |
| #endif |
| #if defined(MBEDTLS_MD_CAN_SHA3_224) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA3_224, "id-sha3-224", "SHA-3-224"), |
| MBEDTLS_MD_SHA3_224, |
| }, |
| #endif |
| #if defined(MBEDTLS_MD_CAN_SHA3_256) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA3_256, "id-sha3-256", "SHA-3-256"), |
| MBEDTLS_MD_SHA3_256, |
| }, |
| #endif |
| #if defined(MBEDTLS_MD_CAN_SHA3_384) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA3_384, "id-sha3-384", "SHA-3-384"), |
| MBEDTLS_MD_SHA3_384, |
| }, |
| #endif |
| #if defined(MBEDTLS_MD_CAN_SHA3_512) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA3_512, "id-sha3-512", "SHA-3-512"), |
| MBEDTLS_MD_SHA3_512, |
| }, |
| #endif |
| { |
| NULL_OID_DESCRIPTOR, |
| MBEDTLS_MD_NONE, |
| }, |
| }; |
| |
| FN_OID_TYPED_FROM_ASN1(oid_md_alg_t, md_alg, oid_md_alg) |
| FN_OID_GET_ATTR1(mbedtls_oid_get_md_alg, oid_md_alg_t, md_alg, mbedtls_md_type_t, md_alg) |
| FN_OID_GET_OID_BY_ATTR1(mbedtls_oid_get_oid_by_md, |
| oid_md_alg_t, |
| oid_md_alg, |
| mbedtls_md_type_t, |
| md_alg) |
| |
| /* |
| * For HMAC digestAlgorithm |
| */ |
| typedef struct { |
| mbedtls_oid_descriptor_t descriptor; |
| mbedtls_md_type_t md_hmac; |
| } oid_md_hmac_t; |
| |
| static const oid_md_hmac_t oid_md_hmac[] = |
| { |
| #if defined(MBEDTLS_MD_CAN_SHA1) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA1, "hmacSHA1", "HMAC-SHA-1"), |
| MBEDTLS_MD_SHA1, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA1 */ |
| #if defined(MBEDTLS_MD_CAN_SHA224) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA224, "hmacSHA224", "HMAC-SHA-224"), |
| MBEDTLS_MD_SHA224, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA224 */ |
| #if defined(MBEDTLS_MD_CAN_SHA256) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA256, "hmacSHA256", "HMAC-SHA-256"), |
| MBEDTLS_MD_SHA256, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA256 */ |
| #if defined(MBEDTLS_MD_CAN_SHA384) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA384, "hmacSHA384", "HMAC-SHA-384"), |
| MBEDTLS_MD_SHA384, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA384 */ |
| #if defined(MBEDTLS_MD_CAN_SHA512) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA512, "hmacSHA512", "HMAC-SHA-512"), |
| MBEDTLS_MD_SHA512, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA512 */ |
| #if defined(MBEDTLS_MD_CAN_SHA3_224) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA3_224, "hmacSHA3-224", "HMAC-SHA3-224"), |
| MBEDTLS_MD_SHA3_224, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA3_224 */ |
| #if defined(MBEDTLS_MD_CAN_SHA3_256) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA3_256, "hmacSHA3-256", "HMAC-SHA3-256"), |
| MBEDTLS_MD_SHA3_256, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA3_256 */ |
| #if defined(MBEDTLS_MD_CAN_SHA3_384) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA3_384, "hmacSHA3-384", "HMAC-SHA3-384"), |
| MBEDTLS_MD_SHA3_384, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA3_384 */ |
| #if defined(MBEDTLS_MD_CAN_SHA3_512) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA3_512, "hmacSHA3-512", "HMAC-SHA3-512"), |
| MBEDTLS_MD_SHA3_512, |
| }, |
| #endif /* MBEDTLS_MD_CAN_SHA3_512 */ |
| #if defined(MBEDTLS_MD_CAN_RIPEMD160) |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_HMAC_RIPEMD160, "hmacRIPEMD160", "HMAC-RIPEMD160"), |
| MBEDTLS_MD_RIPEMD160, |
| }, |
| #endif /* MBEDTLS_MD_CAN_RIPEMD160 */ |
| { |
| NULL_OID_DESCRIPTOR, |
| MBEDTLS_MD_NONE, |
| }, |
| }; |
| |
| FN_OID_TYPED_FROM_ASN1(oid_md_hmac_t, md_hmac, oid_md_hmac) |
| FN_OID_GET_ATTR1(mbedtls_oid_get_md_hmac, oid_md_hmac_t, md_hmac, mbedtls_md_type_t, md_hmac) |
| |
| #if defined(MBEDTLS_PKCS12_C) && defined(MBEDTLS_CIPHER_C) |
| /* |
| * For PKCS#12 PBEs |
| */ |
| typedef struct { |
| mbedtls_oid_descriptor_t descriptor; |
| mbedtls_md_type_t md_alg; |
| mbedtls_cipher_type_t cipher_alg; |
| } oid_pkcs12_pbe_alg_t; |
| |
| static const oid_pkcs12_pbe_alg_t oid_pkcs12_pbe_alg[] = |
| { |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_PKCS12_PBE_SHA1_DES3_EDE_CBC, |
| "pbeWithSHAAnd3-KeyTripleDES-CBC", |
| "PBE with SHA1 and 3-Key 3DES"), |
| MBEDTLS_MD_SHA1, MBEDTLS_CIPHER_DES_EDE3_CBC, |
| }, |
| { |
| OID_DESCRIPTOR(MBEDTLS_OID_PKCS12_PBE_SHA1_DES2_EDE_CBC, |
| "pbeWithSHAAnd2-KeyTripleDES-CBC", |
| "PBE with SHA1 and 2-Key 3DES"), |
| MBEDTLS_MD_SHA1, MBEDTLS_CIPHER_DES_EDE_CBC, |
| }, |
| { |
| NULL_OID_DESCRIPTOR, |
| MBEDTLS_MD_NONE, MBEDTLS_CIPHER_NONE, |
| }, |
| }; |
| |
| FN_OID_TYPED_FROM_ASN1(oid_pkcs12_pbe_alg_t, pkcs12_pbe_alg, oid_pkcs12_pbe_alg) |
| FN_OID_GET_ATTR2(mbedtls_oid_get_pkcs12_pbe_alg, |
| oid_pkcs12_pbe_alg_t, |
| pkcs12_pbe_alg, |
| mbedtls_md_type_t, |
| md_alg, |
| mbedtls_cipher_type_t, |
| cipher_alg) |
| #endif /* MBEDTLS_PKCS12_C && MBEDTLS_CIPHER_C */ |
| |
| /* Return the x.y.z.... style numeric string for the given OID */ |
| int mbedtls_oid_get_numeric_string(char *buf, size_t size, |
| const mbedtls_asn1_buf *oid) |
| { |
| int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; |
| char *p = buf; |
| size_t n = size; |
| unsigned int value = 0; |
| |
| if (size > INT_MAX) { |
| /* Avoid overflow computing return value */ |
| return MBEDTLS_ERR_ASN1_INVALID_LENGTH; |
| } |
| |
| if (oid->len <= 0) { |
| /* OID must not be empty */ |
| return MBEDTLS_ERR_ASN1_OUT_OF_DATA; |
| } |
| |
| for (size_t i = 0; i < oid->len; i++) { |
| /* Prevent overflow in value. */ |
| if (value > (UINT_MAX >> 7)) { |
| return MBEDTLS_ERR_ASN1_INVALID_DATA; |
| } |
| if ((value == 0) && ((oid->p[i]) == 0x80)) { |
| /* Overlong encoding is not allowed */ |
| return MBEDTLS_ERR_ASN1_INVALID_DATA; |
| } |
| |
| value <<= 7; |
| value |= oid->p[i] & 0x7F; |
| |
| if (!(oid->p[i] & 0x80)) { |
| /* Last byte */ |
| if (n == size) { |
| int component1; |
| unsigned int component2; |
| /* First subidentifier contains first two OID components */ |
| if (value >= 80) { |
| component1 = '2'; |
| component2 = value - 80; |
| } else if (value >= 40) { |
| component1 = '1'; |
| component2 = value - 40; |
| } else { |
| component1 = '0'; |
| component2 = value; |
| } |
| ret = mbedtls_snprintf(p, n, "%c.%u", component1, component2); |
| } else { |
| ret = mbedtls_snprintf(p, n, ".%u", value); |
| } |
| if (ret < 2 || (size_t) ret >= n) { |
| return MBEDTLS_ERR_OID_BUF_TOO_SMALL; |
| } |
| n -= (size_t) ret; |
| p += ret; |
| value = 0; |
| } |
| } |
| |
| if (value != 0) { |
| /* Unterminated subidentifier */ |
| return MBEDTLS_ERR_ASN1_OUT_OF_DATA; |
| } |
| |
| return (int) (size - n); |
| } |
| |
| static int oid_parse_number(unsigned int *num, const char **p, const char *bound) |
| { |
| int ret = MBEDTLS_ERR_ASN1_INVALID_DATA; |
| |
| *num = 0; |
| |
| while (*p < bound && **p >= '0' && **p <= '9') { |
| ret = 0; |
| if (*num > (UINT_MAX / 10)) { |
| return MBEDTLS_ERR_ASN1_INVALID_DATA; |
| } |
| *num *= 10; |
| *num += **p - '0'; |
| (*p)++; |
| } |
| return ret; |
| } |
| |
| static size_t oid_subidentifier_num_bytes(unsigned int value) |
| { |
| size_t num_bytes = 0; |
| |
| do { |
| value >>= 7; |
| num_bytes++; |
| } while (value != 0); |
| |
| return num_bytes; |
| } |
| |
| static int oid_subidentifier_encode_into(unsigned char **p, |
| unsigned char *bound, |
| unsigned int value) |
| { |
| size_t num_bytes = oid_subidentifier_num_bytes(value); |
| |
| if ((size_t) (bound - *p) < num_bytes) { |
| return MBEDTLS_ERR_OID_BUF_TOO_SMALL; |
| } |
| (*p)[num_bytes - 1] = (unsigned char) (value & 0x7f); |
| value >>= 7; |
| |
| for (size_t i = 2; i <= num_bytes; i++) { |
| (*p)[num_bytes - i] = 0x80 | (unsigned char) (value & 0x7f); |
| value >>= 7; |
| } |
| *p += num_bytes; |
| |
| return 0; |
| } |
| |
| /* Return the OID for the given x.y.z.... style numeric string */ |
| int mbedtls_oid_from_numeric_string(mbedtls_asn1_buf *oid, |
| const char *oid_str, size_t size) |
| { |
| int ret = MBEDTLS_ERR_ASN1_INVALID_DATA; |
| const char *str_ptr = oid_str; |
| const char *str_bound = oid_str + size; |
| unsigned int val = 0; |
| unsigned int component1, component2; |
| size_t encoded_len; |
| unsigned char *resized_mem; |
| |
| /* Count the number of dots to get a worst-case allocation size. */ |
| size_t num_dots = 0; |
| for (size_t i = 0; i < size; i++) { |
| if (oid_str[i] == '.') { |
| num_dots++; |
| } |
| } |
| /* Allocate maximum possible required memory: |
| * There are (num_dots + 1) integer components, but the first 2 share the |
| * same subidentifier, so we only need num_dots subidentifiers maximum. */ |
| if (num_dots == 0 || (num_dots > MBEDTLS_OID_MAX_COMPONENTS - 1)) { |
| return MBEDTLS_ERR_ASN1_INVALID_DATA; |
| } |
| /* Each byte can store 7 bits, calculate number of bytes for a |
| * subidentifier: |
| * |
| * bytes = ceil(subidentifer_size * 8 / 7) |
| */ |
| size_t bytes_per_subidentifier = (((sizeof(unsigned int) * 8) - 1) / 7) |
| + 1; |
| size_t max_possible_bytes = num_dots * bytes_per_subidentifier; |
| oid->p = mbedtls_calloc(max_possible_bytes, 1); |
| if (oid->p == NULL) { |
| return MBEDTLS_ERR_ASN1_ALLOC_FAILED; |
| } |
| unsigned char *out_ptr = oid->p; |
| unsigned char *out_bound = oid->p + max_possible_bytes; |
| |
| ret = oid_parse_number(&component1, &str_ptr, str_bound); |
| if (ret != 0) { |
| goto error; |
| } |
| if (component1 > 2) { |
| /* First component can't be > 2 */ |
| ret = MBEDTLS_ERR_ASN1_INVALID_DATA; |
| goto error; |
| } |
| if (str_ptr >= str_bound || *str_ptr != '.') { |
| ret = MBEDTLS_ERR_ASN1_INVALID_DATA; |
| goto error; |
| } |
| str_ptr++; |
| |
| ret = oid_parse_number(&component2, &str_ptr, str_bound); |
| if (ret != 0) { |
| goto error; |
| } |
| if ((component1 < 2) && (component2 > 39)) { |
| /* Root nodes 0 and 1 may have up to 40 children, numbered 0-39 */ |
| ret = MBEDTLS_ERR_ASN1_INVALID_DATA; |
| goto error; |
| } |
| if (str_ptr < str_bound) { |
| if (*str_ptr == '.') { |
| str_ptr++; |
| } else { |
| ret = MBEDTLS_ERR_ASN1_INVALID_DATA; |
| goto error; |
| } |
| } |
| |
| if (component2 > (UINT_MAX - (component1 * 40))) { |
| ret = MBEDTLS_ERR_ASN1_INVALID_DATA; |
| goto error; |
| } |
| ret = oid_subidentifier_encode_into(&out_ptr, out_bound, |
| (component1 * 40) + component2); |
| if (ret != 0) { |
| goto error; |
| } |
| |
| while (str_ptr < str_bound) { |
| ret = oid_parse_number(&val, &str_ptr, str_bound); |
| if (ret != 0) { |
| goto error; |
| } |
| if (str_ptr < str_bound) { |
| if (*str_ptr == '.') { |
| str_ptr++; |
| } else { |
| ret = MBEDTLS_ERR_ASN1_INVALID_DATA; |
| goto error; |
| } |
| } |
| |
| ret = oid_subidentifier_encode_into(&out_ptr, out_bound, val); |
| if (ret != 0) { |
| goto error; |
| } |
| } |
| |
| encoded_len = (size_t) (out_ptr - oid->p); |
| resized_mem = mbedtls_calloc(encoded_len, 1); |
| if (resized_mem == NULL) { |
| ret = MBEDTLS_ERR_ASN1_ALLOC_FAILED; |
| goto error; |
| } |
| memcpy(resized_mem, oid->p, encoded_len); |
| mbedtls_free(oid->p); |
| oid->p = resized_mem; |
| oid->len = encoded_len; |
| |
| oid->tag = MBEDTLS_ASN1_OID; |
| |
| return 0; |
| |
| error: |
| mbedtls_free(oid->p); |
| oid->p = NULL; |
| oid->len = 0; |
| return ret; |
| } |
| |
| #endif /* MBEDTLS_OID_C */ |
