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authorDominik Riebeling <Dominik.Riebeling@gmail.com>2020-08-08 18:45:07 +0200
committerDominik Riebeling <Dominik.Riebeling@gmail.com>2020-10-18 19:08:32 +0200
commitcaa9d9c1c5cc4347edca0c9a9868fdd105b5e779 (patch)
tree403787a018da9eced31d1f84b6493e59466dddc7 /utils/tomcrypt/src/misc
parent7603533f7fc9f7aec7c04a1258cf772247170e90 (diff)
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utils: Add (partial) libtomcrypt.
Add the parts of libtomcrypt that we're about to use. Change-Id: I0adc1d7d1f4833e7bb3ed53b9a4d9a85977cfb8b
Diffstat (limited to 'utils/tomcrypt/src/misc')
-rw-r--r--utils/tomcrypt/src/misc/compare_testvector.c87
-rw-r--r--utils/tomcrypt/src/misc/crypt/crypt_argchk.c27
-rw-r--r--utils/tomcrypt/src/misc/crypt/crypt_cipher_descriptor.c25
-rw-r--r--utils/tomcrypt/src/misc/crypt/crypt_cipher_is_valid.c34
-rw-r--r--utils/tomcrypt/src/misc/crypt/crypt_register_cipher.c52
-rw-r--r--utils/tomcrypt/src/misc/zeromem.c32
6 files changed, 257 insertions, 0 deletions
diff --git a/utils/tomcrypt/src/misc/compare_testvector.c b/utils/tomcrypt/src/misc/compare_testvector.c
new file mode 100644
index 0000000000..67fe1c1f9a
--- /dev/null
+++ b/utils/tomcrypt/src/misc/compare_testvector.c
@@ -0,0 +1,87 @@
+/* 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 compare_testvector.c
+ Function to compare two testvectors and print a (detailed) error-message if required, Steffen Jaeckel
+*/
+
+#if defined(LTC_TEST) && defined(LTC_TEST_DBG)
+static void _print_hex(const char* what, const void* v, const unsigned long l)
+{
+ const unsigned char* p = v;
+ unsigned long x, y = 0, z;
+ fprintf(stderr, "%s contents: \n", what);
+ for (x = 0; x < l; ) {
+ fprintf(stderr, "%02X ", p[x]);
+ if (!(++x % 16) || x == l) {
+ if((x % 16) != 0) {
+ z = 16 - (x % 16);
+ if(z >= 8)
+ fprintf(stderr, " ");
+ for (; z != 0; --z) {
+ fprintf(stderr, " ");
+ }
+ }
+ fprintf(stderr, " | ");
+ for(; y < x; y++) {
+ if((y % 8) == 0)
+ fprintf(stderr, " ");
+ if(isgraph(p[y]))
+ fprintf(stderr, "%c", p[y]);
+ else
+ fprintf(stderr, ".");
+ }
+ fprintf(stderr, "\n");
+ }
+ else if((x % 8) == 0) {
+ fprintf(stderr, " ");
+ }
+ }
+}
+#endif
+
+/**
+ Compare two test-vectors
+
+ @param is The data as it is
+ @param is_len The length of is
+ @param should The data as it should
+ @param should_len The length of should
+ @param what The type of the data
+ @param which The iteration count
+ @return 0 on equality, -1 or 1 on difference
+*/
+int compare_testvector(const void* is, const unsigned long is_len, const void* should, const unsigned long should_len, const char* what, int which)
+{
+ int res = 0;
+ if(is_len != should_len)
+ res = is_len > should_len ? -1 : 1;
+ else
+ res = XMEMCMP(is, should, is_len);
+
+#if defined(LTC_TEST) && defined(LTC_TEST_DBG)
+ if (res != 0) {
+ fprintf(stderr, "Testvector #%i of %s failed:\n", which, what);
+ _print_hex("SHOULD", should, should_len);
+ _print_hex("IS ", is, is_len);
+ }
+#else
+ LTC_UNUSED_PARAM(which);
+ LTC_UNUSED_PARAM(what);
+#endif
+
+ return res;
+}
+
+/* ref: HEAD -> master, tag: v1.18.2 */
+/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
+/* commit time: 2018-07-01 22:49:01 +0200 */
diff --git a/utils/tomcrypt/src/misc/crypt/crypt_argchk.c b/utils/tomcrypt/src/misc/crypt/crypt_argchk.c
new file mode 100644
index 0000000000..a93962420e
--- /dev/null
+++ b/utils/tomcrypt/src/misc/crypt/crypt_argchk.c
@@ -0,0 +1,27 @@
+/* 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 crypt_argchk.c
+ Perform argument checking, Tom St Denis
+*/
+
+#if (ARGTYPE == 0)
+void crypt_argchk(const char *v, const char *s, int d)
+{
+ fprintf(stderr, "LTC_ARGCHK '%s' failure on line %d of file %s\n",
+ v, d, s);
+ abort();
+}
+#endif
+
+/* ref: HEAD -> master, tag: v1.18.2 */
+/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
+/* commit time: 2018-07-01 22:49:01 +0200 */
diff --git a/utils/tomcrypt/src/misc/crypt/crypt_cipher_descriptor.c b/utils/tomcrypt/src/misc/crypt/crypt_cipher_descriptor.c
new file mode 100644
index 0000000000..a9de9d6785
--- /dev/null
+++ b/utils/tomcrypt/src/misc/crypt/crypt_cipher_descriptor.c
@@ -0,0 +1,25 @@
+/* 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 crypt_cipher_descriptor.c
+ Stores the cipher descriptor table, Tom St Denis
+*/
+
+struct ltc_cipher_descriptor cipher_descriptor[TAB_SIZE] = {
+{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }
+ };
+
+LTC_MUTEX_GLOBAL(ltc_cipher_mutex)
+
+
+/* ref: HEAD -> master, tag: v1.18.2 */
+/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
+/* commit time: 2018-07-01 22:49:01 +0200 */
diff --git a/utils/tomcrypt/src/misc/crypt/crypt_cipher_is_valid.c b/utils/tomcrypt/src/misc/crypt/crypt_cipher_is_valid.c
new file mode 100644
index 0000000000..2ba32bf5e8
--- /dev/null
+++ b/utils/tomcrypt/src/misc/crypt/crypt_cipher_is_valid.c
@@ -0,0 +1,34 @@
+/* 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 crypt_cipher_is_valid.c
+ Determine if cipher is valid, Tom St Denis
+*/
+
+/*
+ Test if a cipher index is valid
+ @param idx The index of the cipher to search for
+ @return CRYPT_OK if valid
+*/
+int cipher_is_valid(int idx)
+{
+ LTC_MUTEX_LOCK(&ltc_cipher_mutex);
+ if (idx < 0 || idx >= TAB_SIZE || cipher_descriptor[idx].name == NULL) {
+ LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
+ return CRYPT_INVALID_CIPHER;
+ }
+ LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
+ return CRYPT_OK;
+}
+
+/* ref: HEAD -> master, tag: v1.18.2 */
+/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
+/* commit time: 2018-07-01 22:49:01 +0200 */
diff --git a/utils/tomcrypt/src/misc/crypt/crypt_register_cipher.c b/utils/tomcrypt/src/misc/crypt/crypt_register_cipher.c
new file mode 100644
index 0000000000..59fc042d89
--- /dev/null
+++ b/utils/tomcrypt/src/misc/crypt/crypt_register_cipher.c
@@ -0,0 +1,52 @@
+/* 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 crypt_register_cipher.c
+ Register a cipher, Tom St Denis
+*/
+
+/**
+ Register a cipher with the descriptor table
+ @param cipher The cipher you wish to register
+ @return value >= 0 if successfully added (or already present), -1 if unsuccessful
+*/
+int register_cipher(const struct ltc_cipher_descriptor *cipher)
+{
+ int x;
+
+ LTC_ARGCHK(cipher != NULL);
+
+ /* is it already registered? */
+ LTC_MUTEX_LOCK(&ltc_cipher_mutex);
+ for (x = 0; x < TAB_SIZE; x++) {
+ if (cipher_descriptor[x].name != NULL && cipher_descriptor[x].ID == cipher->ID) {
+ LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
+ return x;
+ }
+ }
+
+ /* find a blank spot */
+ for (x = 0; x < TAB_SIZE; x++) {
+ if (cipher_descriptor[x].name == NULL) {
+ XMEMCPY(&cipher_descriptor[x], cipher, sizeof(struct ltc_cipher_descriptor));
+ LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
+ return x;
+ }
+ }
+
+ /* no spot */
+ LTC_MUTEX_UNLOCK(&ltc_cipher_mutex);
+ return -1;
+}
+
+/* ref: HEAD -> master, tag: v1.18.2 */
+/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
+/* commit time: 2018-07-01 22:49:01 +0200 */
diff --git a/utils/tomcrypt/src/misc/zeromem.c b/utils/tomcrypt/src/misc/zeromem.c
new file mode 100644
index 0000000000..dc81d9b1e2
--- /dev/null
+++ b/utils/tomcrypt/src/misc/zeromem.c
@@ -0,0 +1,32 @@
+/* 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 zeromem.c
+ Zero a block of memory, Tom St Denis
+*/
+
+/**
+ Zero a block of memory
+ @param out The destination of the area to zero
+ @param outlen The length of the area to zero (octets)
+*/
+void zeromem(volatile void *out, size_t outlen)
+{
+ volatile char *mem = out;
+ LTC_ARGCHKVD(out != NULL);
+ while (outlen-- > 0) {
+ *mem++ = '\0';
+ }
+}
+
+/* ref: HEAD -> master, tag: v1.18.2 */
+/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
+/* commit time: 2018-07-01 22:49:01 +0200 */