simplify by running smallest test
authorLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Thu, 29 Dec 2022 13:10:09 +0000 (13:10 +0000)
committerLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Fri, 2 Jun 2023 18:51:16 +0000 (19:51 +0100)
crypto/chacha20/src/test.c

index 38a56a56c9d11f92619980b02a26eafd73d23f55..2dfa4c1ae670de9ed7cbef2e9676ccf0196884ab 100644 (file)
 #include "xchacha20.h"
 
 
-/** Calculate and compare the newest test vectors from the IETF
- * Draft for XchaCha20. The test vectors were taken from
- * version 03 of the draft:
- * https://tools.ietf.org/html/draft-arciszewski-xchacha-03
- * This version was published on: October 11, 2018 and
- * expired on: June 21, 2019
- * The biggest difference between this IETF test vector and the
- * other one is that this version initializes the XChaCha20 internal
- * counter to 1 instead of 0.
- * @returns 0 on success, -1 on failure or error
- *
- */
-int check_second_ietf(void){
-       XChaCha_ctx ctx;
-       uint8_t *buffer;
-       uint8_t counter[8] = {0x1};
-
-       /* Test vectors from IETF XChaCha20 draft 03 */
-       uint8_t plaintext[] = {
-                       0x54, 0x68, 0x65, 0x20, 0x64, 0x68, 0x6f, 0x6c,
-                       0x65, 0x20, 0x28, 0x70, 0x72, 0x6f, 0x6e, 0x6f,
-                       0x75, 0x6e, 0x63, 0x65, 0x64, 0x20, 0x22, 0x64,
-                       0x6f, 0x6c, 0x65, 0x22, 0x29, 0x20, 0x69, 0x73,
-                       0x20, 0x61, 0x6c, 0x73, 0x6f, 0x20, 0x6b, 0x6e,
-                       0x6f, 0x77, 0x6e, 0x20, 0x61, 0x73, 0x20, 0x74,
-                       0x68, 0x65, 0x20, 0x41, 0x73, 0x69, 0x61, 0x74,
-                       0x69, 0x63, 0x20, 0x77, 0x69, 0x6c, 0x64, 0x20,
-                       0x64, 0x6f, 0x67, 0x2c, 0x20, 0x72, 0x65, 0x64,
-                       0x20, 0x64, 0x6f, 0x67, 0x2c, 0x20, 0x61, 0x6e,
-                       0x64, 0x20, 0x77, 0x68, 0x69, 0x73, 0x74, 0x6c,
-                       0x69, 0x6e, 0x67, 0x20, 0x64, 0x6f, 0x67, 0x2e,
-                       0x20, 0x49, 0x74, 0x20, 0x69, 0x73, 0x20, 0x61,
-                       0x62, 0x6f, 0x75, 0x74, 0x20, 0x74, 0x68, 0x65,
-                       0x20, 0x73, 0x69, 0x7a, 0x65, 0x20, 0x6f, 0x66,
-                       0x20, 0x61, 0x20, 0x47, 0x65, 0x72, 0x6d, 0x61,
-                       0x6e, 0x20, 0x73, 0x68, 0x65, 0x70, 0x68, 0x65,
-                       0x72, 0x64, 0x20, 0x62, 0x75, 0x74, 0x20, 0x6c,
-                       0x6f, 0x6f, 0x6b, 0x73, 0x20, 0x6d, 0x6f, 0x72,
-                       0x65, 0x20, 0x6c, 0x69, 0x6b, 0x65, 0x20, 0x61,
-                       0x20, 0x6c, 0x6f, 0x6e, 0x67, 0x2d, 0x6c, 0x65,
-                       0x67, 0x67, 0x65, 0x64, 0x20, 0x66, 0x6f, 0x78,
-                       0x2e, 0x20, 0x54, 0x68, 0x69, 0x73, 0x20, 0x68,
-                       0x69, 0x67, 0x68, 0x6c, 0x79, 0x20, 0x65, 0x6c,
-                       0x75, 0x73, 0x69, 0x76, 0x65, 0x20, 0x61, 0x6e,
-                       0x64, 0x20, 0x73, 0x6b, 0x69, 0x6c, 0x6c, 0x65,
-                       0x64, 0x20, 0x6a, 0x75, 0x6d, 0x70, 0x65, 0x72,
-                       0x20, 0x69, 0x73, 0x20, 0x63, 0x6c, 0x61, 0x73,
-                       0x73, 0x69, 0x66, 0x69, 0x65, 0x64, 0x20, 0x77,
-                       0x69, 0x74, 0x68, 0x20, 0x77, 0x6f, 0x6c, 0x76,
-                       0x65, 0x73, 0x2c, 0x20, 0x63, 0x6f, 0x79, 0x6f,
-                       0x74, 0x65, 0x73, 0x2c, 0x20, 0x6a, 0x61, 0x63,
-                       0x6b, 0x61, 0x6c, 0x73, 0x2c, 0x20, 0x61, 0x6e,
-                       0x64, 0x20, 0x66, 0x6f, 0x78, 0x65, 0x73, 0x20,
-                       0x69, 0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x74,
-                       0x61, 0x78, 0x6f, 0x6e, 0x6f, 0x6d, 0x69, 0x63,
-                       0x20, 0x66, 0x61, 0x6d, 0x69, 0x6c, 0x79, 0x20,
-                       0x43, 0x61, 0x6e, 0x69, 0x64, 0x61, 0x65, 0x2e
-       };
-
-       uint8_t key[] = {
-                       0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
-                       0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
-                       0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
-                       0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f
-       };
-
-       uint8_t iv[] = {
-                       0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
-                       0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
-                       0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x58
-       };
-
-       uint8_t correct_ciphertext[] = {
-                       0x7d, 0x0a, 0x2e, 0x6b, 0x7f, 0x7c, 0x65, 0xa2,
-                       0x36, 0x54, 0x26, 0x30, 0x29, 0x4e, 0x06, 0x3b,
-                       0x7a, 0xb9, 0xb5, 0x55, 0xa5, 0xd5, 0x14, 0x9a,
-                       0xa2, 0x1e, 0x4a, 0xe1, 0xe4, 0xfb, 0xce, 0x87,
-                       0xec, 0xc8, 0xe0, 0x8a, 0x8b, 0x5e, 0x35, 0x0a,
-                       0xbe, 0x62, 0x2b, 0x2f, 0xfa, 0x61, 0x7b, 0x20,
-                       0x2c, 0xfa, 0xd7, 0x20, 0x32, 0xa3, 0x03, 0x7e,
-                       0x76, 0xff, 0xdc, 0xdc, 0x43, 0x76, 0xee, 0x05,
-                       0x3a, 0x19, 0x0d, 0x7e, 0x46, 0xca, 0x1d, 0xe0,
-                       0x41, 0x44, 0x85, 0x03, 0x81, 0xb9, 0xcb, 0x29,
-                       0xf0, 0x51, 0x91, 0x53, 0x86, 0xb8, 0xa7, 0x10,
-                       0xb8, 0xac, 0x4d, 0x02, 0x7b, 0x8b, 0x05, 0x0f,
-                       0x7c, 0xba, 0x58, 0x54, 0xe0, 0x28, 0xd5, 0x64,
-                       0xe4, 0x53, 0xb8, 0xa9, 0x68, 0x82, 0x41, 0x73,
-                       0xfc, 0x16, 0x48, 0x8b, 0x89, 0x70, 0xca, 0xc8,
-                       0x28, 0xf1, 0x1a, 0xe5, 0x3c, 0xab, 0xd2, 0x01,
-                       0x12, 0xf8, 0x71, 0x07, 0xdf, 0x24, 0xee, 0x61,
-                       0x83, 0xd2, 0x27, 0x4f, 0xe4, 0xc8, 0xb1, 0x48,
-                       0x55, 0x34, 0xef, 0x2c, 0x5f, 0xbc, 0x1e, 0xc2,
-                       0x4b, 0xfc, 0x36, 0x63, 0xef, 0xaa, 0x08, 0xbc,
-                       0x04, 0x7d, 0x29, 0xd2, 0x50, 0x43, 0x53, 0x2d,
-                       0xb8, 0x39, 0x1a, 0x8a, 0x3d, 0x77, 0x6b, 0xf4,
-                       0x37, 0x2a, 0x69, 0x55, 0x82, 0x7c, 0xcb, 0x0c,
-                       0xdd, 0x4a, 0xf4, 0x03, 0xa7, 0xce, 0x4c, 0x63,
-                       0xd5, 0x95, 0xc7, 0x5a, 0x43, 0xe0, 0x45, 0xf0,
-                       0xcc, 0xe1, 0xf2, 0x9c, 0x8b, 0x93, 0xbd, 0x65,
-                       0xaf, 0xc5, 0x97, 0x49, 0x22, 0xf2, 0x14, 0xa4,
-                       0x0b, 0x7c, 0x40, 0x2c, 0xdb, 0x91, 0xae, 0x73,
-                       0xc0, 0xb6, 0x36, 0x15, 0xcd, 0xad, 0x04, 0x80,
-                       0x68, 0x0f, 0x16, 0x51, 0x5a, 0x7a, 0xce, 0x9d,
-                       0x39, 0x23, 0x64, 0x64, 0x32, 0x8a, 0x37, 0x74,
-                       0x3f, 0xfc, 0x28, 0xf4, 0xdd, 0xb3, 0x24, 0xf4,
-                       0xd0, 0xf5, 0xbb, 0xdc, 0x27, 0x0c, 0x65, 0xb1,
-                       0x74, 0x9a, 0x6e, 0xff, 0xf1, 0xfb, 0xaa, 0x09,
-                       0x53, 0x61, 0x75, 0xcc, 0xd2, 0x9f, 0xb9, 0xe6,
-                       0x05, 0x7b, 0x30, 0x73, 0x20, 0xd3, 0x16, 0x83,
-                       0x8a, 0x9c, 0x71, 0xf7, 0x0b, 0x5b, 0x59, 0x07,
-                       0xa6, 0x6f, 0x7e, 0xa4, 0x9a, 0xad, 0xc4, 0x09
-       };
-
-       /* Allocate a buffer to hold our calculated ciphertext */
-       if((buffer = malloc(1024 * sizeof(uint8_t))) == NULL){
-               perror("malloc() error");
-               return(-1);
-       }
-
-       xchacha_keysetup(&ctx, key, iv);
-
-       /*This version of the IETF draft initializes their counter to 1
-        * instead of 0 */
-       xchacha_set_counter(&ctx, counter);
-       xchacha_encrypt_bytes(&ctx, plaintext, buffer, 304);
-
-       /* Make sure our ciphertext matches */
-       if(memcmp(buffer, correct_ciphertext, 304) != 0){
-               free(buffer);
-               return(-1);
-       }
-
-       free(buffer);
-
-       return(0);
-}
-
-/** Calculate and compare the test vectors from the IETF
- * Draft for XchaCha20. The test vectors were taken from
- * this version of the draft:
- * https://tools.ietf.org/html/draft-arciszewski-xchacha-02
- * This version was published on: October 11, 2018 and
- * expired on: April 14, 2019
- * @returns 0 on success, -1 on failure or error
- *
- */
-int check_ietf(void){
-       XChaCha_ctx ctx;
-       uint8_t *buffer;
-
-       /* Test vectors from IETF XChaCha20 draft */
-       uint8_t plaintext[] = {
-                       0x54, 0x68, 0x65, 0x20, 0x64, 0x68, 0x6f, 0x6c,
-                       0x65, 0x20, 0x28, 0x70, 0x72, 0x6f, 0x6e, 0x6f,
-                       0x75, 0x6e, 0x63, 0x65, 0x64, 0x20, 0x22, 0x64,
-                       0x6f, 0x6c, 0x65, 0x22, 0x29, 0x20, 0x69, 0x73,
-                       0x20, 0x61, 0x6c, 0x73, 0x6f, 0x20, 0x6b, 0x6e,
-                       0x6f, 0x77, 0x6e, 0x20, 0x61, 0x73, 0x20, 0x74,
-                       0x68, 0x65, 0x20, 0x41, 0x73, 0x69, 0x61, 0x74,
-                       0x69, 0x63, 0x20, 0x77, 0x69, 0x6c, 0x64, 0x20,
-                       0x64, 0x6f, 0x67, 0x2c, 0x20, 0x72, 0x65, 0x64,
-                       0x20, 0x64, 0x6f, 0x67, 0x2c, 0x20, 0x61, 0x6e,
-                       0x64, 0x20, 0x77, 0x68, 0x69, 0x73, 0x74, 0x6c,
-                       0x69, 0x6e, 0x67, 0x20, 0x64, 0x6f, 0x67, 0x2e,
-                       0x20, 0x49, 0x74, 0x20, 0x69, 0x73, 0x20, 0x61,
-                       0x62, 0x6f, 0x75, 0x74, 0x20, 0x74, 0x68, 0x65,
-                       0x20, 0x73, 0x69, 0x7a, 0x65, 0x20, 0x6f, 0x66,
-                       0x20, 0x61, 0x20, 0x47, 0x65, 0x72, 0x6d, 0x61,
-                       0x6e, 0x20, 0x73, 0x68, 0x65, 0x70, 0x68, 0x65,
-                       0x72, 0x64, 0x20, 0x62, 0x75, 0x74, 0x20, 0x6c,
-                       0x6f, 0x6f, 0x6b, 0x73, 0x20, 0x6d, 0x6f, 0x72,
-                       0x65, 0x20, 0x6c, 0x69, 0x6b, 0x65, 0x20, 0x61,
-                       0x20, 0x6c, 0x6f, 0x6e, 0x67, 0x2d, 0x6c, 0x65,
-                       0x67, 0x67, 0x65, 0x64, 0x20, 0x66, 0x6f, 0x78,
-                       0x2e, 0x20, 0x54, 0x68, 0x69, 0x73, 0x20, 0x68,
-                       0x69, 0x67, 0x68, 0x6c, 0x79, 0x20, 0x65, 0x6c,
-                       0x75, 0x73, 0x69, 0x76, 0x65, 0x20, 0x61, 0x6e,
-                       0x64, 0x20, 0x73, 0x6b, 0x69, 0x6c, 0x6c, 0x65,
-                       0x64, 0x20, 0x6a, 0x75, 0x6d, 0x70, 0x65, 0x72,
-                       0x20, 0x69, 0x73, 0x20, 0x63, 0x6c, 0x61, 0x73,
-                       0x73, 0x69, 0x66, 0x69, 0x65, 0x64, 0x20, 0x77,
-                       0x69, 0x74, 0x68, 0x20, 0x77, 0x6f, 0x6c, 0x76,
-                       0x65, 0x73, 0x2c, 0x20, 0x63, 0x6f, 0x79, 0x6f,
-                       0x74, 0x65, 0x73, 0x2c, 0x20, 0x6a, 0x61, 0x63,
-                       0x6b, 0x61, 0x6c, 0x73, 0x2c, 0x20, 0x61, 0x6e,
-                       0x64, 0x20, 0x66, 0x6f, 0x78, 0x65, 0x73, 0x20,
-                       0x69, 0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x74,
-                       0x61, 0x78, 0x6f, 0x6e, 0x6f, 0x6d, 0x69, 0x63,
-                       0x20, 0x66, 0x61, 0x6d, 0x69, 0x6c, 0x79, 0x20,
-                       0x43, 0x61, 0x6e, 0x69, 0x64, 0x61, 0x65, 0x2e
-       };
-
-       uint8_t key[] = {
-                       0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
-                       0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
-                       0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
-                       0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f
-       };
-
-       uint8_t iv[] = {
-                       0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
-                       0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
-                       0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x58
-       };
-
-       uint8_t correct_ciphertext[] = {
-                       0x45, 0x59, 0xab, 0xba, 0x4e, 0x48, 0xc1, 0x61,
-                       0x02, 0xe8, 0xbb, 0x2c, 0x05, 0xe6, 0x94, 0x7f,
-                       0x50, 0xa7, 0x86, 0xde, 0x16, 0x2f, 0x9b, 0x0b,
-                       0x7e, 0x59, 0x2a, 0x9b, 0x53, 0xd0, 0xd4, 0xe9,
-                       0x8d, 0x8d, 0x64, 0x10, 0xd5, 0x40, 0xa1, 0xa6,
-                       0x37, 0x5b, 0x26, 0xd8, 0x0d, 0xac, 0xe4, 0xfa,
-                       0xb5, 0x23, 0x84, 0xc7, 0x31, 0xac, 0xbf, 0x16,
-                       0xa5, 0x92, 0x3c, 0x0c, 0x48, 0xd3, 0x57, 0x5d,
-                       0x4d, 0x0d, 0x2c, 0x67, 0x3b, 0x66, 0x6f, 0xaa,
-                       0x73, 0x10, 0x61, 0x27, 0x77, 0x01, 0x09, 0x3a,
-                       0x6b, 0xf7, 0xa1, 0x58, 0xa8, 0x86, 0x42, 0x92,
-                       0xa4, 0x1c, 0x48, 0xe3, 0xa9, 0xb4, 0xc0, 0xda,
-                       0xec, 0xe0, 0xf8, 0xd9, 0x8d, 0x0d, 0x7e, 0x05,
-                       0xb3, 0x7a, 0x30, 0x7b, 0xbb, 0x66, 0x33, 0x31,
-                       0x64, 0xec, 0x9e, 0x1b, 0x24, 0xea, 0x0d, 0x6c,
-                       0x3f, 0xfd, 0xdc, 0xec, 0x4f, 0x68, 0xe7, 0x44,
-                       0x30, 0x56, 0x19, 0x3a, 0x03, 0xc8, 0x10, 0xe1,
-                       0x13, 0x44, 0xca, 0x06, 0xd8, 0xed, 0x8a, 0x2b,
-                       0xfb, 0x1e, 0x8d, 0x48, 0xcf, 0xa6, 0xbc, 0x0e,
-                       0xb4, 0xe2, 0x46, 0x4b, 0x74, 0x81, 0x42, 0x40,
-                       0x7c, 0x9f, 0x43, 0x1a, 0xee, 0x76, 0x99, 0x60,
-                       0xe1, 0x5b, 0xa8, 0xb9, 0x68, 0x90, 0x46, 0x6e,
-                       0xf2, 0x45, 0x75, 0x99, 0x85, 0x23, 0x85, 0xc6,
-                       0x61, 0xf7, 0x52, 0xce, 0x20, 0xf9, 0xda, 0x0c,
-                       0x09, 0xab, 0x6b, 0x19, 0xdf, 0x74, 0xe7, 0x6a,
-                       0x95, 0x96, 0x74, 0x46, 0xf8, 0xd0, 0xfd, 0x41,
-                       0x5e, 0x7b, 0xee, 0x2a, 0x12, 0xa1, 0x14, 0xc2,
-                       0x0e, 0xb5, 0x29, 0x2a, 0xe7, 0xa3, 0x49, 0xae,
-                       0x57, 0x78, 0x20, 0xd5, 0x52, 0x0a, 0x1f, 0x3f,
-                       0xb6, 0x2a, 0x17, 0xce, 0x6a, 0x7e, 0x68, 0xfa,
-                       0x7c, 0x79, 0x11, 0x1d, 0x88, 0x60, 0x92, 0x0b,
-                       0xc0, 0x48, 0xef, 0x43, 0xfe, 0x84, 0x48, 0x6c,
-                       0xcb, 0x87, 0xc2, 0x5f, 0x0a, 0xe0, 0x45, 0xf0,
-                       0xcc, 0xe1, 0xe7, 0x98, 0x9a, 0x9a, 0xa2, 0x20,
-                       0xa2, 0x8b, 0xdd, 0x48, 0x27, 0xe7, 0x51, 0xa2,
-                       0x4a, 0x6d, 0x5c, 0x62, 0xd7, 0x90, 0xa6, 0x63,
-                       0x93, 0xb9, 0x31, 0x11, 0xc1, 0xa5, 0x5d, 0xd7,
-                       0x42, 0x1a, 0x10, 0x18, 0x49, 0x74, 0xc7, 0xc5
-       };
-
-       /* Allocate a buffer to hold our calculated ciphertext */
-       if((buffer = malloc(1024 * sizeof(uint8_t))) == NULL){
-               perror("malloc() error");
-               return(-1);
-       }
-
-       xchacha_keysetup(&ctx, key, iv);
-       xchacha_encrypt_bytes(&ctx, plaintext, buffer, 304);
-
-       /* Make sure our ciphertext matches */
-       if(memcmp(buffer, correct_ciphertext, 304) != 0){
-               free(buffer);
-               return(-1);
-       }
-
-       free(buffer);
-
-       return(0);
-}
-
-
 /** Compare our output to the output of a known good XChaCha20 library.
  * The test vectors used here are from examples given of the Crypto++
  * cryptographic library's XChaCha20 examples. These values can be
@@ -338,7 +71,7 @@ int check_cpp(void){
 }
 
 int main(void){
-       if((check_ietf()) == 0 && (check_cpp()) == 0 && (check_second_ietf() == 0)){
+       if ((check_cpp()) == 0) {
                printf("Cryptographic tests passed\n");
        } else {
                printf("Cryptographic tests failed!\n");