diff options
Diffstat (limited to 'libccnx-common/ccnx/common/codec/schema_v1/testdata/v1_content_nameA_crc32c.h')
| -rw-r--r-- | libccnx-common/ccnx/common/codec/schema_v1/testdata/v1_content_nameA_crc32c.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/libccnx-common/ccnx/common/codec/schema_v1/testdata/v1_content_nameA_crc32c.h b/libccnx-common/ccnx/common/codec/schema_v1/testdata/v1_content_nameA_crc32c.h new file mode 100644 index 00000000..e4695849 --- /dev/null +++ b/libccnx-common/ccnx/common/codec/schema_v1/testdata/v1_content_nameA_crc32c.h @@ -0,0 +1,114 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * @file interest_nameA_crc32c.h + * @brief Interest with CRC validation + * + * Ground truth set derived from CRC RevEng http://reveng.sourceforge.net + * e.g. reveng -c -m CRC-32C 313233343536373839 gives the canonical check value 0xe306928e + * + * You can also calcaulate CRC32C online at http://www.zorc.breitbandkatze.de/crc.html using + * CRC polynomial 0x1EDC6F41, init 0xFFFFFFFF, final 0xFFFFFFFF, reverse data bytes (check), + * and reverse CRC result before final XOR (check). + * + * you can get the packet dump from the "write_packets" command. here's the detailed steps. + * The -c size of 4 in steps 4 and 7 are chosen to make it easy to delete the right number of lines. + * there's nothing magic about the "4". + * + * 1) execute ./write_packets + * 2) xxd -r -c 8 v1_content_nameA_crc32c.txt > y + * 3) vim -b y + * 4) :%!xxd -p -c 4 + * 5) Delete the frist 44 bytes (11 lines). The first line should now be: + * 00020015 + * 6) Delete the last 8 bytes + * The last line two lines should be: + * 04000200 + * 00 + * What's left is the part to be signed. + * 7) :%!xxd -r -p -c 4 + * 8) :wq + * 9) dump the file to one long URL-escaped hex string with + * xxd -p -c 256 y | sed 's/[0-9a-f]\{2\}/%&/g' + * 10) Copy the hex string to the website and use the settings specified above (don't use 0x in front + * of any hex strings). Click "compute!" + * 11) The answer should be 2C3CC0Af + * 12) Put the byte array from (11) in the Validation Payload. + * + */ + +#ifndef v1_content_nameA_crc32c_h +#define v1_content_nameA_crc32c_h + +#include <ccnx/common/codec/testdata/testdata_common.h> +#include <ccnx/common/codec/schema_v1/testdata/v1_ContentObjectSchema.h> + +/** + * A well formed interest with only a name + */ + +__attribute__((unused)) +static uint8_t v1_content_nameA_crc32c[] = { + 0x01, 0x01, 0x00, 85, // ver = 1, type = content object, length = 85 + 0x00, 0x00, 0x00, 44, // HopLimit = 31, reserved = 0, header length = 44 + // ------------------------ + 0x00, 0x04, 0x00, 20, // ContentObject Fragment, length = 20 + 0x12, 0x23, 0x34, 0x45, + 0x56, 0x67, 0x78, 0x89, // fragid 0x1223344556677889 + 0x05, 0xDC, 0x01, 0x00, // MTU 1500, fragcnt 1, fragnum 0 + 0x01, 0x02, 0x03, 0x04, + 0x05, 0x06, 0x07, 0x08, // interest fragment 0x0102030405060708 + // ------------------------ + 0x00, 0x02, 0x00, 8, // Recommended Cache Time + 0x00, 0x00, 0x00, 0x00, + 0x00, 0x6D, 0xDD, 0x00, // 2 hours (0x6DDD00 milli seconds) + // ------------------------ + 0x00, 0x02, 0x00, 21, // type = content object, length = 21 + // ------------------------ + 0x00, 0x00, 0x00, 0x11, // type = name, length = 17 + 0x00, 0x03, 0x00, 0x05, // type = binary, length = 5 + 'h', 'e', 'l', 'l', // "hello" + 'o', + 0xF0, 0x00, 0x00, 0x04, // type = app, length = 4 + 'o', 'u', 'c', 'h', // "ouch" + // ------------------------ + 0x00, 0x03, 0x00, 4, // validation alg, length = 4 + 0x00, 0x02, 0x00, 0x00, // CRC32C + // ------------------------ + 0x00, 0x04, 0x00, 4, // validation payload + 0x2C, 0x3C, 0xC0, 0xAF // 2C3CC0AF +}; + +__attribute__((unused)) +static TruthTableEntry +TRUTHTABLENAME(v1_content_nameA_crc32c)[] = +{ + { .wellKnownType = true, .indexOrKey = V1_MANIFEST_OBJ_E2EFRAG, .bodyManifest = false, .extent = { 12, 20 } }, + { .wellKnownType = true, .indexOrKey = V1_MANIFEST_OBJ_RecommendedCacheTime, .bodyManifest = false, .extent = { 36, 8 } }, + + { .wellKnownType = true, .indexOrKey = V1_MANIFEST_OBJ_CONTENTOBJECT, .bodyManifest = true, .extent = { 48, 21 } }, + { .wellKnownType = true, .indexOrKey = V1_MANIFEST_OBJ_NAME, .bodyManifest = true, .extent = { 52, 17 } }, + + { .wellKnownType = true, .indexOrKey = V1_MANIFEST_OBJ_ValidationAlg, .bodyManifest = true, .extent = { 73, 4 } }, + { .wellKnownType = true, .indexOrKey = V1_MANIFEST_OBJ_SIGBITS, .bodyManifest = true, .extent = { 81, 4 } }, + { .wellKnownType = false, .indexOrKey = T_INVALID, .extent = { 0, 0 } }, +}; + +#define v1_content_nameA_crc32c_truthTable TABLEENTRY(v1_content_nameA_crc32c, TLV_ERR_NO_ERROR) + +#define v1_content_nameA_crc32c_URI "lci:/3=hello/0xf000=ouch" + +#endif |