Replaced system SQLite with SQLCipher to support encrypted database

Sources/DataLiteC/libtomcrypt/pk/asn1/oid/pk_get.c

@@ -0,0 +1,106 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
+#include "tomcrypt_private.h"
+
+#ifdef LTC_DER
+
+typedef struct {
+   enum ltc_oid_id id;
+   enum ltc_pka_id pka;
+   const char* oid;
+} oid_table_entry;
+
+static const oid_table_entry pka_oids[] = {
+                                              { LTC_OID_UNDEF,     LTC_PKA_UNDEF,      NULL },
+                                              { LTC_OID_RSA,       LTC_PKA_RSA,        "1.2.840.113549.1.1.1" },
+                                              { LTC_OID_DSA,       LTC_PKA_DSA,        "1.2.840.10040.4.1" },
+                                              { LTC_OID_EC,        LTC_PKA_EC,         "1.2.840.10045.2.1" },
+                                              { LTC_OID_EC_PRIMEF, LTC_PKA_EC,         "1.2.840.10045.1.1" },
+                                              { LTC_OID_X25519,    LTC_PKA_X25519,     "1.3.101.110" },
+                                              { LTC_OID_ED25519,   LTC_PKA_ED25519,    "1.3.101.112" },
+                                              { LTC_OID_DH,        LTC_PKA_DH,         "1.2.840.113549.1.3.1" },
+};
+
+static LTC_INLINE const oid_table_entry* s_get_entry(enum ltc_oid_id id)
+{
+   if (id < LTC_OID_NUM)
+      return &pka_oids[id];
+   return NULL;
+}
+
+/*
+   Returns the OID requested.
+   @return CRYPT_OK if valid
+*/
+int pk_get_oid(enum ltc_oid_id id, const char **st)
+{
+   const oid_table_entry* e = s_get_entry(id);
+   LTC_ARGCHK(st != NULL);
+   if (e != NULL) {
+      *st = e->oid;
+      return CRYPT_OK;
+   }
+   return CRYPT_INVALID_ARG;
+}
+
+/*
+   Returns the PKA ID requested.
+   @return CRYPT_OK if valid
+*/
+int pk_get_pka_id(enum ltc_oid_id id, enum ltc_pka_id *pka)
+{
+   const oid_table_entry* e = s_get_entry(id);
+   LTC_ARGCHK(pka != NULL);
+   if (e != NULL) {
+      *pka = e->pka;
+      return CRYPT_OK;
+   }
+   return CRYPT_INVALID_ARG;
+}
+
+/*
+   Returns the OID ID requested.
+   @return CRYPT_OK if valid
+*/
+int pk_get_oid_id(enum ltc_pka_id pka, enum ltc_oid_id *oid)
+{
+   unsigned int i;
+   LTC_ARGCHK(oid != NULL);
+   for (i = 1; i < sizeof(pka_oids)/sizeof(pka_oids[0]); ++i) {
+      if (pka_oids[i].pka == pka) {
+         *oid = pka_oids[i].id;
+         return CRYPT_OK;
+      }
+   }
+   return CRYPT_INVALID_ARG;
+}
+
+/*
+   Returns the PKA ID of an OID.
+   @return CRYPT_OK if valid
+*/
+int pk_get_oid_from_asn1(const ltc_asn1_list *oid, enum ltc_oid_id *id)
+{
+   unsigned long i;
+   char tmp[LTC_OID_MAX_STRLEN] = { 0 };
+   int err;
+
+   LTC_ARGCHK(oid != NULL);
+   LTC_ARGCHK(id != NULL);
+
+   if (oid->type != LTC_ASN1_OBJECT_IDENTIFIER) return CRYPT_INVALID_ARG;
+
+   i = sizeof(tmp);
+   if ((err = pk_oid_num_to_str(oid->data, oid->size, tmp, &i)) != CRYPT_OK) {
+      return err;
+   }
+
+   for (i = 1; i < sizeof(pka_oids)/sizeof(pka_oids[0]); ++i) {
+      if (XSTRCMP(pka_oids[i].oid, tmp) == 0) {
+         *id = pka_oids[i].id;
+         return CRYPT_OK;
+      }
+   }
+   return CRYPT_INVALID_ARG;
+}
+#endif