Mercurial > dropbear
view libtomcrypt/tests/mpi_test.c @ 1790:42745af83b7d
Introduce extra delay before closing unauthenticated sessions
To make it harder for attackers, introduce a delay to keep an
unauthenticated session open a bit longer, thus blocking a connection
slot until after the delay.
Without this, while there is a limit on the amount of attempts an attacker
can make at the same time (MAX_UNAUTH_PER_IP), the time taken by dropbear to
handle one attempt is still short and thus for each of the allowed parallel
attempts many attempts can be chained one after the other. The attempt rate
is then:
"MAX_UNAUTH_PER_IP / <process time of one attempt>".
With the delay, this rate becomes:
"MAX_UNAUTH_PER_IP / UNAUTH_CLOSE_DELAY".
author | Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> |
---|---|
date | Wed, 15 Feb 2017 13:53:04 +0100 |
parents | 6dba84798cd5 |
children |
line wrap: on
line source
/* 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_test.h> #if defined(LTC_MPI) && defined(LTC_TEST_MPI) static int _radix_to_bin_test(void) { /* RADIX 16 */ const char *ghex = "2"; const char *phex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const char *xhex = "A6681ADC386CE944C3DED9A7301DCC9C518250E3EDB62F959198F8DC0057DD6FB57ABAFD788198B1"; const char *yhex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const char *gr47 = "2"; const char *pr47 = "F27Mg1SadOFIRbDOJ5dHgHiVF02Z1LHHQ6G5SLG2U8aTdfH1ETk4GARRE7WW99dBUBLb9e2OHFIaSM1A" "ag2LNNjgYa9I9CjQGJihL3J7A2SGQe8j5Ch8EHMj5jVbAYDiQKhhPhM6Hc56fKS40GUfJkGO7KJ6EXZQ" "VgbSa2AkPC65F91g0PaYie8AGNVaFKaV9HOQf3ia1iW4i6eCOB9CcBbH7TbQij8AEgjZ0VRBcLKc6UYO" "1Zc3I2Jc0h1H2HBEH8ONI3OYBbaPV6XhAd8WCc60D0RDBU3H9U7cWL28a0c90XNO0dh5RXEFBbUCE2ZG" "gh9XQSVIHkVbFIS5F5IGVOkiWAVc9i8BHB2V0UbGW6UdRTZVV"; const char *xr47 = "6bhO7O9NWFRgEMjdU0Y5POj3c1JP15MYEdIg3FO1PEjUY2aGYNSXcaF01R"; const char *yr47 = "3GNPNWEYfKML1cIbI7Cc1Z0O7aQLJgB734dO2i56LLYDdI4gHYk2GAbQH2WI97hNeC7dj3fPEH8I9gV9" "U323AXj1AJXbFPFIHGOTdC29QUUeH2SSc6NWhfQDDXd5Q5iXCKEAUGX3SKcNFIfVOYJgZCLjfHYQdgOQ" "GCjKNgbEV7Hj34MU3b79iANX2DbMYfb9iGi78BWH2HYAd7IAhk7U0OYGHKJX1bIUUj1KBLhAUg46GaER" "G9W3ARMfBCj6kSdDF9TdkWAjWTDj722IeVJERC4bKU2VDFG20kDhCMF985efD1SS8DfXcdCHF1kDUkSA" "884FHYiFEPkaagQOBQaN9BNaEHNbbd002DCIIX5eMP4HgPJPF"; /* RADIX 64 */ const char *gr64 = "2"; const char *pr64 = "3//////////yaFsg8XQC8qnCPYYu3S7D4f0au8YcVCT08BlgOx4viYKKe8UOuq1DtlbHcppJf36p0h2c" "toNnGtJ+4rRMrHmaNaXRLsObv+nlHCGkccD+rh2/zSjlG6j+tkE6lxMecVfQwV915yIn/cIIXcKUpaMp" "t207oueME/1PZQI3OSLTEQQHO/gFqapr+3PLqZtAEjbXnYyrOWXLAxdjKf1t2Mbcrd33LEIhoO1F5qR0" "ZA625yCf1UHYuspZlZddSi60w60vidWwBi1wAFjSLTy6zCKidUAylsbLWN63cLINpgbMhb5T8c69Zw1H" "0LSevQYgogQF//////////"; const char *xr64 = "2cQ1hSE6pfHCFUsQSm7SoSKO9Gu+ssBvMHcFZS05VTRxLwklruWPYn"; const char *yr64 = "v16Ooo3H1ZVe7imaLEBOKqVjTktXS3xwZkOifMy3D1sg8sKKXGQ9fwBhh7TPKww0wLmKnZHANLCtq03g" "CEP90+xZnOaaFRmt73a5BR+w826hwf8wVEYIEt0aqKcOzDE3e2TJskjkpRu2sWJw/V3A1k68WdbO4lUg" "BZrzx/SFkjwstC4WecywWzQNDxdtv7D7mkcCl1jlfkdxm5BXB0jINodqCOFSqTIfadQIMb6jEKnimsVW" "ktOLMDi2myguZBa66HKw8Xxj2FZAbeabUhBgPOWhD0wE3HUksSrvYCmgEwQfiWt113rpKMlD+wGeDgLl" "fRyavw8/WlIpGdyZr922C"; /* RADIX 256 */ unsigned char gbin[] = { 0x02 }; unsigned char pbin[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34, 0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1, 0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74, 0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22, 0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD, 0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B, 0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37, 0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45, 0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6, 0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B, 0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED, 0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5, 0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6, 0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D, 0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05, 0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A, 0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F, 0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96, 0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB, 0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D, 0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04, 0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x18, 0x21, 0x7C, 0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B, 0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03, 0x9B, 0x27, 0x83, 0xA2, 0xEC, 0x07, 0xA2, 0x8F, 0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9, 0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18, 0x39, 0x95, 0x49, 0x7C, 0xEA, 0x95, 0x6A, 0xE5, 0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10, 0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAC, 0xAA, 0x68, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; unsigned char xbin[] = { 0xA6, 0x68, 0x1A, 0xDC, 0x38, 0x6C, 0xE9, 0x44, 0xC3, 0xDE, 0xD9, 0xA7, 0x30, 0x1D, 0xCC, 0x9C, 0x51, 0x82, 0x50, 0xE3, 0xED, 0xB6, 0x2F, 0x95, 0x91, 0x98, 0xF8, 0xDC, 0x00, 0x57, 0xDD, 0x6F, 0xB5, 0x7A, 0xBA, 0xFD, 0x78, 0x81, 0x98, 0xB1 }; unsigned char ybin[] = { 0x39, 0x04, 0x66, 0x32, 0xC8, 0x34, 0x41, 0x8D, 0xFA, 0x07, 0xB3, 0x09, 0x15, 0x38, 0xB6, 0x14, 0xD1, 0xFB, 0x5D, 0xBB, 0x78, 0x5C, 0x0F, 0xBE, 0xA3, 0xB9, 0x8B, 0x29, 0x5B, 0xC0, 0xCD, 0x07, 0x6A, 0x88, 0xD9, 0x45, 0x21, 0x41, 0xA2, 0x69, 0xE8, 0xBA, 0xEB, 0x1D, 0xD6, 0x54, 0xEB, 0xA0, 0x3A, 0x57, 0x05, 0x31, 0x8D, 0x12, 0x97, 0x54, 0xCD, 0xF4, 0x00, 0x3A, 0x8C, 0x39, 0x92, 0x40, 0xFB, 0xB8, 0xF1, 0x62, 0x49, 0x0F, 0x6F, 0x0D, 0xC7, 0x0E, 0x41, 0x4B, 0x6F, 0xEE, 0x88, 0x08, 0x6A, 0xFA, 0xA4, 0x8E, 0x9F, 0x3A, 0x24, 0x8E, 0xDC, 0x09, 0x34, 0x52, 0x66, 0x3D, 0x34, 0xE0, 0xE8, 0x09, 0xD4, 0xF6, 0xBA, 0xDB, 0xB3, 0x6F, 0x80, 0xB6, 0x81, 0x3E, 0xBF, 0x7C, 0x32, 0x81, 0xB8, 0x62, 0x20, 0x9E, 0x56, 0x04, 0xBD, 0xEA, 0x8B, 0x8F, 0x5F, 0x7B, 0xFD, 0xC3, 0xEE, 0xB7, 0xAD, 0xB7, 0x30, 0x48, 0x28, 0x9B, 0xCE, 0xA0, 0xF5, 0xA5, 0xCD, 0xEE, 0x7D, 0xF9, 0x1C, 0xD1, 0xF0, 0xBA, 0x63, 0x2F, 0x06, 0xDB, 0xE9, 0xBA, 0x7E, 0xF0, 0x14, 0xB8, 0x4B, 0x02, 0xD4, 0x97, 0xCA, 0x7D, 0x0C, 0x60, 0xF7, 0x34, 0x75, 0x2A, 0x64, 0x9D, 0xA4, 0x96, 0x94, 0x6B, 0x4E, 0x53, 0x1B, 0x30, 0xD9, 0xF8, 0x2E, 0xDD, 0x85, 0x56, 0x36, 0xC0, 0xB0, 0xF2, 0xAE, 0x23, 0x2E, 0x41, 0x86, 0x45, 0x4E, 0x88, 0x87, 0xBB, 0x42, 0x3E, 0x32, 0xA5, 0xA2, 0x49, 0x5E, 0xAC, 0xBA, 0x99, 0x62, 0x0A, 0xCD, 0x03, 0xA3, 0x83, 0x45, 0xEB, 0xB6, 0x73, 0x5E, 0x62, 0x33, 0x0A, 0x8E, 0xE9, 0xAA, 0x6C, 0x83, 0x70, 0x41, 0x0F, 0x5C, 0xD4, 0x5A, 0xF3, 0x7E, 0xE9, 0x0A, 0x0D, 0xA9, 0x5B, 0xE9, 0x6F, 0xC9, 0x39, 0xE8, 0x8F, 0xE0, 0xBD, 0x2C, 0xD0, 0x9F, 0xC8, 0xF5, 0x24, 0x20, 0x8C }; struct { int radix; const void* g; int glen; const void* p; int plen; const void* x; int xlen; const void* y; int ylen; } test[4] = { { 256, gbin, sizeof(gbin), pbin, sizeof(pbin), xbin, sizeof(xbin), ybin, sizeof(ybin) }, { 16, ghex, strlen(ghex)+1, phex, strlen(phex)+1, xhex, strlen(xhex)+1, yhex, strlen(yhex)+1 }, { 47, gr47, strlen(gr47)+1, pr47, strlen(pr47)+1, xr47, strlen(xr47)+1, yr47, strlen(yr47)+1 }, { 64, gr64, strlen(gr64)+1, pr64, strlen(pr64)+1, xr64, strlen(xr64)+1, yr64, strlen(yr64)+1 }, }; int i, j; unsigned char key_parts[4][256]; unsigned long key_lens[4]; for (i = 1; i < 4; i++) { for (j = 0; j < 4; ++j) { key_lens[j] = sizeof(key_parts[j]); } DO(radix_to_bin(test[i].x, test[i].radix, key_parts[0], &key_lens[0])); DO(radix_to_bin(test[i].y, test[i].radix, key_parts[1], &key_lens[1])); DO(radix_to_bin(test[i].p, test[i].radix, key_parts[2], &key_lens[2])); DO(radix_to_bin(test[i].g, test[i].radix, key_parts[3], &key_lens[3])); if (compare_testvector(key_parts[0], key_lens[0], test[0].x, test[0].xlen, "radix_to_bin(x)", i)) return CRYPT_FAIL_TESTVECTOR; if (compare_testvector(key_parts[1], key_lens[1], test[0].y, test[0].ylen, "radix_to_bin(y)", i)) return CRYPT_FAIL_TESTVECTOR; if (compare_testvector(key_parts[2], key_lens[2], test[0].p, test[0].plen, "radix_to_bin(p)", i)) return CRYPT_FAIL_TESTVECTOR; if (compare_testvector(key_parts[3], key_lens[3], test[0].g, test[0].glen, "radix_to_bin(g)", i)) return CRYPT_FAIL_TESTVECTOR; } return CRYPT_OK; } int mpi_test(void) { return _radix_to_bin_test(); } #else int mpi_test(void) { return CRYPT_NOP; } #endif /* ref: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */