lib: Move CRC implementations to a subfolder

Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>

5 files changed, 0 insertions, 336 deletions

diff --git a/src/lib/tests/CMakeLists.txt b/src/lib/tests/CMakeLists.txt
index afe64884..337d85a6 100644
--- a/src/lib/tests/CMakeLists.txt
+++ b/src/lib/tests/CMakeLists.txt
@@ -10,10 +10,6 @@ create_test_sourcelist(${PARENT_DIR}_tests test_suite.c
   auth_test_slh_dsa.c
   bitmap_test.c
   btree_test.c
-  crc8_test.c
-  crc16_test.c
-  crc32_test.c
-  crc64_test.c
   crypt_test.c
   hash_test.c
   kex_test.c
diff --git a/src/lib/tests/crc16_test.c b/src/lib/tests/crc16_test.c
deleted file mode 100644
index 03a5b504..00000000
--- a/src/lib/tests/crc16_test.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2026
- *
- * Test of the CRC-16/CCITT-FALSE function
- *
- *    Dimitri Staessens <dimitri@ouroboros.rocks>
- *    Sander Vrijders   <sander@ouroboros.rocks>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., http://www.fsf.org/about/contact/.
- */
-
-#include "config.h"
-
-#include <ouroboros/crc16.h>
-
-#include <test/test.h>
-
-#include <stddef.h>
-#include <stdint.h>
-#include <stdio.h>
-
-/* reveng-catalog smoke vectors. */
-static int test_crc16_ccitt_false_basic(void)
-{
-        uint16_t crc;
-
-        TEST_START();
-
-        crc = 0;
-        crc16_ccitt_false(&crc, "", 0);
-        if (crc != 0xffff)
-                goto fail;
-
-        crc = 0;
-        crc16_ccitt_false(&crc, "123456789", 9);
-        if (crc != 0x29b1)
-                goto fail;
-
-        TEST_SUCCESS();
-        return TEST_RC_SUCCESS;
- fail:
-        TEST_FAIL();
-        return TEST_RC_FAIL;
-}
-
-int crc16_test(int     argc,
-               char ** argv)
-{
-        int ret = 0;
-
-        (void) argc;
-        (void) argv;
-
-        ret |= test_crc16_ccitt_false_basic();
-        return ret;
-}
diff --git a/src/lib/tests/crc32_test.c b/src/lib/tests/crc32_test.c
deleted file mode 100644
index 5a1ddd87..00000000
--- a/src/lib/tests/crc32_test.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2026
- *
- * Test of the CRC32 function
- *
- *    Dimitri Staessens <dimitri@ouroboros.rocks>
- *    Sander Vrijders   <sander@ouroboros.rocks>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., http://www.fsf.org/about/contact/.
- */
-
-#include <ouroboros/crc32.h>
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <assert.h>
-#include <string.h>
-#include <stdio.h>
-
-/*
- * Test vectors calculated at
- * https://www.lammertbies.nl/comm/info/crc-calculation.html
- */
-
-int crc32_test(int     argc,
-               char ** argv)
-{
-        uint32_t crc = 0;
-        int i = 0;
-
-        (void) argc;
-        (void) argv;
-
-        crc32(&crc, "0", 1);
-        if (crc != 0xF4DBDF21)
-                return -1;
-
-        crc = 0;
-
-        crc32(&crc, "123456789", 9);
-        if (crc != 0xCBF43926)
-                return -1;
-
-        crc = 0;
-
-        crc32(&crc, "987654321", 9);
-        if (crc != 0x015F0201)
-                return -1;
-
-        crc32(&crc, "123456789", 9);
-        if (crc != 0x806B60E3)
-                return -1;
-
-        crc = 0;
-
-        crc32(&crc, &i , 1);
-        if (crc != 0xD202EF8D)
-                return -1;
-
-        return 0;
-}
diff --git a/src/lib/tests/crc64_test.c b/src/lib/tests/crc64_test.c
deleted file mode 100644
index cf3f5ca3..00000000
--- a/src/lib/tests/crc64_test.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2026
- *
- * Test of the CRC-64/NVMe function
- *
- *    Dimitri Staessens <dimitri@ouroboros.rocks>
- *    Sander Vrijders   <sander@ouroboros.rocks>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., http://www.fsf.org/about/contact/.
- */
-
-#include "config.h"
-
-#include <ouroboros/crc64.h>
-#include <ouroboros/random.h>
-
-#include <test/test.h>
-
-#include <stddef.h>
-#include <stdint.h>
-#include <stdio.h>
-
-/* Reference impl, internal to libouroboros-common. */
-extern void crc64_nvme_table(uint64_t *   crc,
-                             const void * buf,
-                             size_t       len);
-
-/* reveng-catalog smoke vectors plus a 16-byte fold-boundary check. */
-static int test_crc64_nvme_basic(void)
-{
-        uint64_t crc;
-
-        TEST_START();
-
-        crc = 0;
-        crc64_nvme(&crc, "", 0);
-        if (crc != 0x0000000000000000ULL)
-                goto fail;
-
-        crc = 0;
-        crc64_nvme(&crc, "123456789", 9);
-        if (crc != 0xae8b14860a799888ULL)
-                goto fail;
-
-        crc = 0;
-        crc64_nvme(&crc, "0123456789abcdef", 16);
-        if (crc != 0x091485ca7018730eULL)
-                goto fail;
-
-        TEST_SUCCESS();
-        return TEST_RC_SUCCESS;
- fail:
-        TEST_FAIL();
-        return TEST_RC_FAIL;
-}
-
-#if defined(HAVE_PCLMUL) || defined(HAVE_PMULL)
-/* Cross-check the accelerated dispatcher path against the byte-table. */
-static int test_crc64_nvme_random(void)
-{
-        static const size_t lens[] = {
-                0, 1, 7, 8, 15, 16, 17, 31, 32, 33, 63, 64, 65, 127, 128,
-                129, 255, 256, 257, 1023, 1024, 1025, 4096
-        };
-        uint8_t  buf[4096];
-        size_t   i;
-        uint64_t ref;
-        uint64_t got;
-
-        TEST_START();
-
-        if (random_buffer(buf, sizeof(buf)) < 0) {
-                printf("Failed to generate random data.\n");
-                goto fail;
-        }
-
-        for (i = 0; i < sizeof(lens) / sizeof(lens[0]); i++) {
-                ref = 0;
-                crc64_nvme_table(&ref, buf, lens[i]);
-
-                got = 0;
-                crc64_nvme(&got, buf, lens[i]);
-
-                if (ref == got)
-                        continue;
-
-                printf("Mismatch at len=%zu: table=0x%016lx disp=0x%016lx\n",
-                        lens[i],
-                        (unsigned long) ref,
-                        (unsigned long) got);
-                goto fail;
-        }
-
-        TEST_SUCCESS();
-        return TEST_RC_SUCCESS;
- fail:
-        TEST_FAIL();
-        return TEST_RC_FAIL;
-#endif
-}
-
-int crc64_test(int     argc,
-               char ** argv)
-{
-        int ret = 0;
-
-        (void) argc;
-        (void) argv;
-
-        ret |= test_crc64_nvme_basic();
-#if defined(HAVE_PCLMUL) || defined(HAVE_PMULL)
-        ret |= test_crc64_nvme_random();
-#endif
-        return ret;
-}
diff --git a/src/lib/tests/crc8_test.c b/src/lib/tests/crc8_test.c
deleted file mode 100644
index f7bb33b8..00000000
--- a/src/lib/tests/crc8_test.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Ouroboros - Copyright (C) 2016 - 2026
- *
- * Test of the CRC-8/AUTOSAR function
- *
- *    Dimitri Staessens <dimitri@ouroboros.rocks>
- *    Sander Vrijders   <sander@ouroboros.rocks>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., http://www.fsf.org/about/contact/.
- */
-
-#include "config.h"
-
-#include <ouroboros/crc8.h>
-
-#include <test/test.h>
-
-#include <stddef.h>
-#include <stdint.h>
-#include <stdio.h>
-
-/* reveng-catalog smoke vectors. */
-static int test_crc8_autosar_basic(void)
-{
-        uint8_t crc;
-
-        TEST_START();
-
-        crc = 0;
-        crc8_autosar(&crc, "", 0);
-        if (crc != 0x00)
-                goto fail;
-
-        crc = 0;
-        crc8_autosar(&crc, "123456789", 9);
-        if (crc != 0xdf)
-                goto fail;
-
-        TEST_SUCCESS();
-        return TEST_RC_SUCCESS;
- fail:
-        TEST_FAIL();
-        return TEST_RC_FAIL;
-}
-
-int crc8_test(int     argc,
-              char ** argv)
-{
-        int ret = 0;
-
-        (void) argc;
-        (void) argv;
-
-        ret |= test_crc8_autosar_basic();
-        return ret;
-}