Import code from previous AssetBuilder version

2025-06-25 14:17:54 -05:00 · 2019-09-24 10:45:09 +02:00
parent 5609557516
commit 0d8432d4f7
919 changed files with 154412 additions and 26 deletions
--- a/thirdparty/libtomcrypt/pk/katja/katja_export.c
+++ b/thirdparty/libtomcrypt/pk/katja/katja_export.c
@ -0,0 +1,73 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ */
+#include "tomcrypt.h"
+
+/**
+  @file katja_export.c
+  Export Katja PKCS-style keys, Tom St Denis
+*/
+
+#ifdef LTC_MKAT
+
+/**
+    This will export either an KatjaPublicKey or KatjaPrivateKey
+    @param out       [out] Destination of the packet
+    @param outlen    [in/out] The max size and resulting size of the packet
+    @param type      The type of exported key (PK_PRIVATE or PK_PUBLIC)
+    @param key       The Katja key to export
+    @return CRYPT_OK if successful
+*/
+int katja_export(unsigned char *out, unsigned long *outlen, int type, katja_key *key)
+{
+   int           err;
+   unsigned long zero=0;
+
+   LTC_ARGCHK(out    != NULL);
+   LTC_ARGCHK(outlen != NULL);
+   LTC_ARGCHK(key    != NULL);
+
+   /* type valid? */
+   if (!(key->type == PK_PRIVATE) && (type == PK_PRIVATE)) {
+      return CRYPT_PK_INVALID_TYPE;
+   }
+
+   if (type == PK_PRIVATE) {
+      /* private key */
+      /* output is
+            Version, n, d, p, q, d mod (p-1), d mod (q - 1), 1/q mod p, pq
+       */
+      if ((err = der_encode_sequence_multi(out, outlen,
+                          LTC_ASN1_SHORT_INTEGER, 1UL, &zero,
+                          LTC_ASN1_INTEGER, 1UL,  key->N,
+                          LTC_ASN1_INTEGER, 1UL,  key->d,
+                          LTC_ASN1_INTEGER, 1UL,  key->p,
+                          LTC_ASN1_INTEGER, 1UL,  key->q,
+                          LTC_ASN1_INTEGER, 1UL,  key->dP,
+                          LTC_ASN1_INTEGER, 1UL,  key->dQ,
+                          LTC_ASN1_INTEGER, 1UL,  key->qP,
+                          LTC_ASN1_INTEGER, 1UL,  key->pq,
+                          LTC_ASN1_EOL,     0UL, NULL)) != CRYPT_OK) {
+         return err;
+      }
+
+      /* clear zero and return */
+      return CRYPT_OK;
+   } else {
+      /* public key */
+      return der_encode_sequence_multi(out, outlen,
+                                 LTC_ASN1_INTEGER, 1UL, key->N,
+                                 LTC_ASN1_EOL,     0UL, NULL);
+   }
+}
+
+#endif /* LTC_MRSA */
+
+/* ref:         HEAD -> master, tag: v1.18.2 */
+/* git commit:  7e7eb695d581782f04b24dc444cbfde86af59853 */
+/* commit time: 2018-07-01 22:49:01 +0200 */