From 9c0f7cd74fc568fdd62571c660060be2a93aeab9 Mon Sep 17 00:00:00 2001 From: Vitaly Chikunov Date: Mon, 23 Jul 2018 04:15:25 +0300 Subject: [PATCH] test_grasshopper: Tests for CBC and CFB These tests are with generated test vectors from canonical TC26 implementation with truncated IVs. --- test_grasshopper.c | 31 +++++++++++++++++++++++++++---- 1 file changed, 27 insertions(+), 4 deletions(-) diff --git a/test_grasshopper.c b/test_grasshopper.c index 434586f..351194a 100644 --- a/test_grasshopper.c +++ b/test_grasshopper.c @@ -35,6 +35,8 @@ enum e_mode { E_CTR, E_CTR_IV2, E_OFB, + E_CBC, + E_CFB, }; /* Test key from both GOST R 34.12-2015 and GOST R 34.13-2015. */ @@ -51,7 +53,7 @@ static const unsigned char P[] = { 0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xee,0xff,0x0a,0x00, 0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xee,0xff,0x0a,0x00,0x11, }; -static const unsigned char E[4][sizeof(P)] = { +static const unsigned char E[6][sizeof(P)] = { { /* ECB test vectors from GOST R 34.13-2015 A.1.1 */ /* first 16 bytes is vector (b) from GOST R 34.12-2015 A.1 */ 0x7f,0x67,0x9d,0x90,0xbe,0xbc,0x24,0x30,0x5a,0x46,0x8d,0x42,0xb9,0xd4,0xed,0xcd, @@ -76,14 +78,33 @@ static const unsigned char E[4][sizeof(P)] = { 0x77,0x91,0x46,0xdb,0x2d,0x93,0xa9,0x4e,0xd9,0x3c,0xf6,0x8b,0x32,0x39,0x7f,0x19, 0xe9,0x3c,0x9e,0x57,0x44,0x1d,0x87,0x05,0x45,0xf2,0x40,0x36,0xa5,0x8c,0xee,0xa3, 0xcf,0x3f,0x00,0x61,0xd5,0x64,0x23,0x54,0x5b,0x96,0x0d,0x86,0x4c,0xc8,0x68,0xda, - } + }, + { /* CBC test vector generated from canonical implementation */ + 0x68,0x99,0x72,0xd4,0xa0,0x85,0xfa,0x4d,0x90,0xe5,0x2e,0x3d,0x6d,0x7d,0xcc,0x27, + 0xab,0xf1,0x70,0xb2,0xb2,0x26,0xc3,0x01,0x0c,0xcf,0xa1,0x36,0xd6,0x59,0xcd,0xaa, + 0xca,0x71,0x92,0x72,0xab,0x1d,0x43,0x8e,0x15,0x50,0x7d,0x52,0x1e,0xcd,0x55,0x22, + 0xe0,0x11,0x08,0xff,0x8d,0x9d,0x3a,0x6d,0x8c,0xa2,0xa5,0x33,0xfa,0x61,0x4e,0x71, + }, + { /* CFB test vector generated from canonical implementation */ + 0x81,0x80,0x0a,0x59,0xb1,0x84,0x2b,0x24,0xff,0x1f,0x79,0x5e,0x89,0x7a,0xbd,0x95, + 0x68,0xc1,0xb9,0x9c,0x4d,0xf5,0x9c,0xc7,0x95,0x1e,0x37,0x39,0xb5,0xb3,0xcd,0xbf, + 0x07,0x3f,0x4d,0xd2,0xd6,0xde,0xb3,0xcf,0xb0,0x26,0x54,0x5f,0x7a,0xf1,0xd8,0xe8, + 0xe1,0xc8,0x52,0xe9,0xa8,0x56,0x71,0x62,0xdb,0xb5,0xda,0x7f,0x66,0xde,0xa9,0x26, + }, }; static const unsigned char iv_ctr[] = { 0x12,0x34,0x56,0x78,0x90,0xab,0xce,0xf0 }; /* right [8] part of IV should be ignored by ctr */ static const unsigned char iv_ctr_iv2[] = { 0x12,0x34,0x56,0x78,0x90,0xab,0xce,0xf0,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff }; /* truncated to 128-bits IV */ -static const unsigned char iv_ofb_t[] = { 0x12,0x34,0x56,0x78,0x90,0xab,0xce,0xf0,0xa1,0xb2,0xc3,0xd4,0xe5,0xf0,0x01,0x12 }; -static const unsigned char *iv[4] = { NULL, iv_ctr, iv_ctr_iv2, iv_ofb_t }; +static const unsigned char iv_128bit[] = { 0x12,0x34,0x56,0x78,0x90,0xab,0xce,0xf0,0xa1,0xb2,0xc3,0xd4,0xe5,0xf0,0x01,0x12 }; +static const unsigned char *iv[6] = { + NULL, /* ecb */ + iv_ctr, + iv_ctr_iv2, + iv_128bit, /* ofb */ + iv_128bit, /* cbc*/ + iv_128bit, /* cfb */ +}; static void hexdump(const void *ptr, size_t len) { @@ -235,6 +256,8 @@ int main(int argc, char **argv) */ ret |= test_block(cipher_gost_grasshopper_ofb(), "ofb", E_OFB); ret |= test_stream(cipher_gost_grasshopper_ctr(), "ofb", E_CTR); + ret |= test_block(cipher_gost_grasshopper_cbc(), "cbc", E_CBC); + ret |= test_block(cipher_gost_grasshopper_cfb(), "cfb", E_CFB); ret |= test_omac(); -- 2.39.2