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Fix extra default -i arguments for multihop When multihop executes dbclient it should only add -i arguments from the original commandline, not the default id_dropbear key. Otherwise multiple -i arguments keep getting added which results in servers disconnecting with too many auth attempts
author Matt Johnston <matt@ucc.asn.au>
date Fri, 01 Apr 2022 11:56:10 +0800
parents 6dba84798cd5
children
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/* 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 hkdf_test.c
  LTC_HKDF support, self-test, Steffen Jaeckel
*/

#ifdef LTC_HKDF

/*
    TEST CASES SOURCE:

Internet Engineering Task Force (IETF)                       H. Krawczyk
Request for Comments: 5869                                  IBM Research
Category: Informational                                        P. Eronen
ISSN: 2070-1721                                                    Nokia
                                                                May 2010
Appendix A. Test Vectors
*/

/**
  LTC_HKDF self-test
  @return CRYPT_OK if successful, CRYPT_NOP if tests have been disabled.
*/
int hkdf_test(void)
{
 #ifndef LTC_TEST
    return CRYPT_NOP;
 #else
    unsigned char OKM[82];
    int i;

    static const struct hkdf_test_case {
        int num;
        const char* Hash;
        unsigned char IKM[80];
        unsigned long IKM_l;
        unsigned char salt[80];
        unsigned long salt_l;
        unsigned char info[80];
        unsigned long info_l;
        unsigned char PRK[32];
        unsigned long PRK_l;
        unsigned char OKM[82];
        unsigned long OKM_l;
    } cases[] = {
#ifdef LTC_SHA256
        /*
           Basic test case with SHA-256

           Hash = SHA-256
           IKM  = 0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b (22 octets)
           salt = 0x000102030405060708090a0b0c (13 octets)
           info = 0xf0f1f2f3f4f5f6f7f8f9 (10 octets)
           L    = 42

           PRK  = 0x077709362c2e32df0ddc3f0dc47bba63
                  90b6c73bb50f9c3122ec844ad7c2b3e5 (32 octets)
           OKM  = 0x3cb25f25faacd57a90434f64d0362f2a
                  2d2d0a90cf1a5a4c5db02d56ecc4c5bf
                  34007208d5b887185865 (42 octets)
        */
           {1, "sha256",
            {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
             0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
             0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b}, 22,
            {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
             0x08, 0x09, 0x0a, 0x0b, 0x0c}, 13,
            {0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
             0xf8, 0xf9}, 10,
            {0x07, 0x77, 0x09, 0x36, 0x2c, 0x2e, 0x32, 0xdf,
             0x0d, 0xdc, 0x3f, 0x0d, 0xc4, 0x7b, 0xba, 0x63,
             0x90, 0xb6, 0xc7, 0x3b, 0xb5, 0x0f, 0x9c, 0x31,
             0x22, 0xec, 0x84, 0x4a, 0xd7, 0xc2, 0xb3, 0xe5}, 32,
            {0x3c, 0xb2, 0x5f, 0x25, 0xfa, 0xac, 0xd5, 0x7a,
             0x90, 0x43, 0x4f, 0x64, 0xd0, 0x36, 0x2f, 0x2a,
             0x2d, 0x2d, 0x0a, 0x90, 0xcf, 0x1a, 0x5a, 0x4c,
             0x5d, 0xb0, 0x2d, 0x56, 0xec, 0xc4, 0xc5, 0xbf,
             0x34, 0x00, 0x72, 0x08, 0xd5, 0xb8, 0x87, 0x18,
             0x58, 0x65}, 42},
#ifdef LTC_TEST_EXT
       /* Test with SHA-256 and longer inputs/outputs */
           {2, "sha256",
            {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
             0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
             0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
             0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
             0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
             0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
             0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
             0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
             0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
             0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f}, 80,
            {0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
             0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
             0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
             0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
             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,
             0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
             0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf}, 80,
            {0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
             0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
             0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
             0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
             0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
             0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
             0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
             0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
             0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
             0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff}, 80,
            {0x06, 0xa6, 0xb8, 0x8c, 0x58, 0x53, 0x36, 0x1a,
             0x06, 0x10, 0x4c, 0x9c, 0xeb, 0x35, 0xb4, 0x5c,
             0xef, 0x76, 0x00, 0x14, 0x90, 0x46, 0x71, 0x01,
             0x4a, 0x19, 0x3f, 0x40, 0xc1, 0x5f, 0xc2, 0x44}, 32,
            {0xb1, 0x1e, 0x39, 0x8d, 0xc8, 0x03, 0x27, 0xa1,
             0xc8, 0xe7, 0xf7, 0x8c, 0x59, 0x6a, 0x49, 0x34,
             0x4f, 0x01, 0x2e, 0xda, 0x2d, 0x4e, 0xfa, 0xd8,
             0xa0, 0x50, 0xcc, 0x4c, 0x19, 0xaf, 0xa9, 0x7c,
             0x59, 0x04, 0x5a, 0x99, 0xca, 0xc7, 0x82, 0x72,
             0x71, 0xcb, 0x41, 0xc6, 0x5e, 0x59, 0x0e, 0x09,
             0xda, 0x32, 0x75, 0x60, 0x0c, 0x2f, 0x09, 0xb8,
             0x36, 0x77, 0x93, 0xa9, 0xac, 0xa3, 0xdb, 0x71,
             0xcc, 0x30, 0xc5, 0x81, 0x79, 0xec, 0x3e, 0x87,
             0xc1, 0x4c, 0x01, 0xd5, 0xc1, 0xf3, 0x43, 0x4f,
             0x1d, 0x87}, 82},
       /* Test with SHA-256 and zero length salt/info */
           {3, "sha256",
            {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
             0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
             0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b}, 22,
            {0}, 0,
            {0}, 0,
            {0x19, 0xef, 0x24, 0xa3, 0x2c, 0x71, 0x7b, 0x16,
             0x7f, 0x33, 0xa9, 0x1d, 0x6f, 0x64, 0x8b, 0xdf,
             0x96, 0x59, 0x67, 0x76, 0xaf, 0xdb, 0x63, 0x77,
             0xac, 0x43, 0x4c, 0x1c, 0x29, 0x3c, 0xcb, 0x04}, 32,
            {0x8d, 0xa4, 0xe7, 0x75, 0xa5, 0x63, 0xc1, 0x8f,
             0x71, 0x5f, 0x80, 0x2a, 0x06, 0x3c, 0x5a, 0x31,
             0xb8, 0xa1, 0x1f, 0x5c, 0x5e, 0xe1, 0x87, 0x9e,
             0xc3, 0x45, 0x4e, 0x5f, 0x3c, 0x73, 0x8d, 0x2d,
             0x9d, 0x20, 0x13, 0x95, 0xfa, 0xa4, 0xb6, 0x1a,
             0x96, 0xc8}, 42},
#endif /* LTC_TEST_EXT */
#endif /* LTC_SHA256 */
#ifdef LTC_SHA1
       /* Basic test case with SHA-1 */
           {4, "sha1",
            {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
             0x0b, 0x0b, 0x0b}, 11,
            {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
             0x08, 0x09, 0x0a, 0x0b, 0x0c}, 13,
            {0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
             0xf8, 0xf9}, 10,
            {0x9b, 0x6c, 0x18, 0xc4, 0x32, 0xa7, 0xbf, 0x8f,
             0x0e, 0x71, 0xc8, 0xeb, 0x88, 0xf4, 0xb3, 0x0b,
             0xaa, 0x2b, 0xa2, 0x43}, 20,
            {0x08, 0x5a, 0x01, 0xea, 0x1b, 0x10, 0xf3, 0x69,
             0x33, 0x06, 0x8b, 0x56, 0xef, 0xa5, 0xad, 0x81,
             0xa4, 0xf1, 0x4b, 0x82, 0x2f, 0x5b, 0x09, 0x15,
             0x68, 0xa9, 0xcd, 0xd4, 0xf1, 0x55, 0xfd, 0xa2,
             0xc2, 0x2e, 0x42, 0x24, 0x78, 0xd3, 0x05, 0xf3,
             0xf8, 0x96}, 42},
#ifdef LTC_TEST_EXT
       /* Test with SHA-1 and longer inputs/outputs */
           {5, "sha1",
            {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
             0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
             0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
             0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
             0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
             0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
             0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
             0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
             0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
             0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f}, 80,
            {0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
             0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
             0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
             0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
             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,
             0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
             0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf}, 80,
            {0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
             0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
             0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
             0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
             0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
             0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
             0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
             0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
             0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
             0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff}, 80,
            {0x8a, 0xda, 0xe0, 0x9a, 0x2a, 0x30, 0x70, 0x59,
             0x47, 0x8d, 0x30, 0x9b, 0x26, 0xc4, 0x11, 0x5a,
             0x22, 0x4c, 0xfa, 0xf6}, 20,
            {0x0b, 0xd7, 0x70, 0xa7, 0x4d, 0x11, 0x60, 0xf7,
             0xc9, 0xf1, 0x2c, 0xd5, 0x91, 0x2a, 0x06, 0xeb,
             0xff, 0x6a, 0xdc, 0xae, 0x89, 0x9d, 0x92, 0x19,
             0x1f, 0xe4, 0x30, 0x56, 0x73, 0xba, 0x2f, 0xfe,
             0x8f, 0xa3, 0xf1, 0xa4, 0xe5, 0xad, 0x79, 0xf3,
             0xf3, 0x34, 0xb3, 0xb2, 0x02, 0xb2, 0x17, 0x3c,
             0x48, 0x6e, 0xa3, 0x7c, 0xe3, 0xd3, 0x97, 0xed,
             0x03, 0x4c, 0x7f, 0x9d, 0xfe, 0xb1, 0x5c, 0x5e,
             0x92, 0x73, 0x36, 0xd0, 0x44, 0x1f, 0x4c, 0x43,
             0x00, 0xe2, 0xcf, 0xf0, 0xd0, 0x90, 0x0b, 0x52,
             0xd3, 0xb4}, 82},
       /* Test with SHA-1 and zero-length salt/info */
           {6, "sha1",
            {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
             0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
             0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b}, 22,
            {0}, 0,
            {0}, 0,
            {0xda, 0x8c, 0x8a, 0x73, 0xc7, 0xfa, 0x77, 0x28,
             0x8e, 0xc6, 0xf5, 0xe7, 0xc2, 0x97, 0x78, 0x6a,
             0xa0, 0xd3, 0x2d, 0x01}, 20,
            {0x0a, 0xc1, 0xaf, 0x70, 0x02, 0xb3, 0xd7, 0x61,
             0xd1, 0xe5, 0x52, 0x98, 0xda, 0x9d, 0x05, 0x06,
             0xb9, 0xae, 0x52, 0x05, 0x72, 0x20, 0xa3, 0x06,
             0xe0, 0x7b, 0x6b, 0x87, 0xe8, 0xdf, 0x21, 0xd0,
             0xea, 0x00, 0x03, 0x3d, 0xe0, 0x39, 0x84, 0xd3,
             0x49, 0x18}, 42},
       /* Test with SHA-1, salt not provided (defaults to HashLen zero octets),
          zero-length info */
           {7, "sha1",
            {0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
             0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
             0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c}, 22,
            {0}, 0, /* pass a null pointer */
            {0}, 0,
            {0x2a, 0xdc, 0xca, 0xda, 0x18, 0x77, 0x9e, 0x7c,
             0x20, 0x77, 0xad, 0x2e, 0xb1, 0x9d, 0x3f, 0x3e,
             0x73, 0x13, 0x85, 0xdd}, 20,
            {0x2c, 0x91, 0x11, 0x72, 0x04, 0xd7, 0x45, 0xf3,
             0x50, 0x0d, 0x63, 0x6a, 0x62, 0xf6, 0x4f, 0x0a,
             0xb3, 0xba, 0xe5, 0x48, 0xaa, 0x53, 0xd4, 0x23,
             0xb0, 0xd1, 0xf2, 0x7e, 0xbb, 0xa6, 0xf5, 0xe5,
             0x67, 0x3a, 0x08, 0x1d, 0x70, 0xcc, 0xe7, 0xac,
             0xfc, 0x48}, 42},
#endif /* LTC_TEST_EXT */
#endif /* LTC_SHA1 */
    };

    int err;
    int tested=0,failed=0;
    for(i=0; i < (int)(sizeof(cases) / sizeof(cases[0])); i++) {
        int hash = find_hash(cases[i].Hash);
        if (hash == -1) continue;
        ++tested;
        if((err = hkdf(hash, cases[i].salt, cases[i].salt_l,
                        cases[i].info, cases[i].info_l,
                        cases[i].IKM,   cases[i].IKM_l,
                        OKM, cases[i].OKM_l)) != CRYPT_OK) {
#if defined(LTC_TEST_DBG) && (LTC_TEST_DBG > 1)
            printf("LTC_HKDF-%s test #%d, %s\n", cases[i].Hash, i, error_to_string(err));
#endif
            return err;
        }

        if(compare_testvector(OKM, cases[i].OKM_l, cases[i].OKM, (size_t)cases[i].OKM_l, "HKDF", cases[i].num)) {
            failed++;
        }
    }

    if (failed != 0) {
        return CRYPT_FAIL_TESTVECTOR;
    } else if (tested == 0) {
        return CRYPT_NOP;
    } else {
        return CRYPT_OK;
    }
 #endif
}

#endif


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