| /* fips186-dsa.c - FIPS 186 DSA tests |
| * Copyright (C) 2008 Free Software Foundation, Inc. |
| * |
| * This file is part of Libgcrypt. |
| * |
| * Libgcrypt is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Lesser General Public License as |
| * published by the Free Software Foundation; either version 2.1 of |
| * the License, or (at your option) any later version. |
| * |
| * Libgcrypt is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this program; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| # include <config.h> |
| #endif |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <stdarg.h> |
| |
| #ifdef _GCRYPT_IN_LIBGCRYPT |
| # include "../src/gcrypt.h" |
| #else |
| # include <gcrypt.h> |
| #endif |
| |
| |
| #define my_isascii(c) (!((c) & 0x80)) |
| #define digitp(p) (*(p) >= '0' && *(p) <= '9') |
| #define hexdigitp(a) (digitp (a) \ |
| || (*(a) >= 'A' && *(a) <= 'F') \ |
| || (*(a) >= 'a' && *(a) <= 'f')) |
| #define xtoi_1(p) (*(p) <= '9'? (*(p)- '0'): \ |
| *(p) <= 'F'? (*(p)-'A'+10):(*(p)-'a'+10)) |
| #define xtoi_2(p) ((xtoi_1(p) * 16) + xtoi_1((p)+1)) |
| #define DIM(v) (sizeof(v)/sizeof((v)[0])) |
| #define DIMof(type,member) DIM(((type *)0)->member) |
| |
| static int verbose; |
| static int error_count; |
| |
| static void |
| info (const char *format, ...) |
| { |
| va_list arg_ptr; |
| |
| va_start (arg_ptr, format); |
| vfprintf (stderr, format, arg_ptr); |
| va_end (arg_ptr); |
| } |
| |
| static void |
| fail (const char *format, ...) |
| { |
| va_list arg_ptr; |
| |
| va_start (arg_ptr, format); |
| vfprintf (stderr, format, arg_ptr); |
| va_end (arg_ptr); |
| error_count++; |
| } |
| |
| static void |
| die (const char *format, ...) |
| { |
| va_list arg_ptr; |
| |
| va_start (arg_ptr, format); |
| vfprintf (stderr, format, arg_ptr); |
| va_end (arg_ptr); |
| exit (1); |
| } |
| |
| static void |
| show_sexp (const char *prefix, gcry_sexp_t a) |
| { |
| char *buf; |
| size_t size; |
| |
| if (prefix) |
| fputs (prefix, stderr); |
| size = gcry_sexp_sprint (a, GCRYSEXP_FMT_ADVANCED, NULL, 0); |
| buf = gcry_xmalloc (size); |
| |
| gcry_sexp_sprint (a, GCRYSEXP_FMT_ADVANCED, buf, size); |
| fprintf (stderr, "%.*s", (int)size, buf); |
| gcry_free (buf); |
| } |
| |
| static gcry_mpi_t |
| mpi_from_string (const char *string) |
| { |
| gpg_error_t err; |
| gcry_mpi_t a; |
| |
| err = gcry_mpi_scan (&a, GCRYMPI_FMT_HEX, string, 0, NULL); |
| if (err) |
| die ("error converting string to mpi: %s\n", gpg_strerror (err)); |
| return a; |
| } |
| |
| /* Convert STRING consisting of hex characters into its binary |
| representation and return it as an allocated buffer. The valid |
| length of the buffer is returned at R_LENGTH. The string is |
| delimited by end of string. The function returns NULL on |
| error. */ |
| static void * |
| data_from_hex (const char *string, size_t *r_length) |
| { |
| const char *s; |
| unsigned char *buffer; |
| size_t length; |
| |
| buffer = gcry_xmalloc (strlen(string)/2+1); |
| length = 0; |
| for (s=string; *s; s +=2 ) |
| { |
| if (!hexdigitp (s) || !hexdigitp (s+1)) |
| die ("error parsing hex string `%s'\n", string); |
| ((unsigned char*)buffer)[length++] = xtoi_2 (s); |
| } |
| *r_length = length; |
| return buffer; |
| } |
| |
| |
| static void |
| extract_cmp_mpi (gcry_sexp_t sexp, const char *name, const char *expected) |
| { |
| gcry_sexp_t l1; |
| gcry_mpi_t a, b; |
| |
| l1 = gcry_sexp_find_token (sexp, name, 0); |
| a = gcry_sexp_nth_mpi (l1, 1, GCRYMPI_FMT_USG); |
| b = mpi_from_string (expected); |
| if (!a) |
| fail ("parameter \"%s\" missing in key\n", name); |
| else if ( gcry_mpi_cmp (a, b) ) |
| fail ("parameter \"%s\" does not match expected value\n", name); |
| gcry_mpi_release (b); |
| gcry_mpi_release (a); |
| gcry_sexp_release (l1); |
| } |
| |
| |
| static void |
| extract_cmp_data (gcry_sexp_t sexp, const char *name, const char *expected) |
| { |
| gcry_sexp_t l1; |
| const void *a; |
| size_t alen; |
| void *b; |
| size_t blen; |
| |
| l1 = gcry_sexp_find_token (sexp, name, 0); |
| a = gcry_sexp_nth_data (l1, 1, &alen); |
| b = data_from_hex (expected, &blen); |
| if (!a) |
| fail ("parameter \"%s\" missing in key\n", name); |
| else if ( alen != blen || memcmp (a, b, alen) ) |
| fail ("parameter \"%s\" does not match expected value\n", name); |
| gcry_free (b); |
| gcry_sexp_release (l1); |
| } |
| |
| static void |
| extract_cmp_int (gcry_sexp_t sexp, const char *name, int expected) |
| { |
| gcry_sexp_t l1; |
| char *a; |
| |
| l1 = gcry_sexp_find_token (sexp, name, 0); |
| a = gcry_sexp_nth_string (l1, 1); |
| if (!a) |
| fail ("parameter \"%s\" missing in key\n", name); |
| else if ( strtoul (a, NULL, 10) != expected ) |
| fail ("parameter \"%s\" does not match expected value\n", name); |
| gcry_free (a); |
| gcry_sexp_release (l1); |
| } |
| |
| |
| static void |
| check_dsa_gen_186_2 (void) |
| { |
| static struct { |
| int nbits; |
| const char *p, *q, *g; |
| const char *seed; |
| int counter; |
| const char *h; |
| } tbl[] = { |
| /* These tests are from FIPS 186-2, B.3.1. */ |
| { |
| 1024, |
| "d3aed1876054db831d0c1348fbb1ada72507e5fbf9a62cbd47a63aeb7859d6921" |
| "4adeb9146a6ec3f43520f0fd8e3125dd8bbc5d87405d1ac5f82073cd762a3f8d7" |
| "74322657c9da88a7d2f0e1a9ceb84a39cb40876179e6a76e400498de4bb9379b0" |
| "5f5feb7b91eb8fea97ee17a955a0a8a37587a272c4719d6feb6b54ba4ab69", |
| "9c916d121de9a03f71fb21bc2e1c0d116f065a4f", |
| "8157c5f68ca40b3ded11c353327ab9b8af3e186dd2e8dade98761a0996dda99ab" |
| "0250d3409063ad99efae48b10c6ab2bba3ea9a67b12b911a372a2bba260176fad" |
| "b4b93247d9712aad13aa70216c55da9858f7a298deb670a403eb1e7c91b847f1e" |
| "ccfbd14bd806fd42cf45dbb69cd6d6b43add2a78f7d16928eaa04458dea44", |
| "0cb1990c1fd3626055d7a0096f8fa99807399871", |
| 98, |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "0000000000000000000000000000000000000000000000000000000000002" |
| }, |
| { |
| 1024, |
| "f5c73304080353357de1b5967597c27d65f70aa2fe9b6aed1d0afc2b499adf22f" |
| "8e37937096d88548ac36c4a067f8353c7fed73f96f0d688b19b0624aedbae5dbb" |
| "0ee8835a4c269288c0e1d69479e701ee266bb767af39d748fe7d6afc73fdf44be" |
| "3eb6e661e599670061203e75fc8b3dbd59e40b54f358d0097013a0f3867f9", |
| "f8751166cf4f6f3b07c081fd2a9071f23ca1988d", |
| "1e288a442e02461c418ed67a66d24cacbeb8936fbde62ff995f5fd569dee6be62" |
| "4e4f0f9f8c8093f5d192ab3b3f9ae3f2665d95d27fb10e382f45cd356e7f4eb7a" |
| "665db432113ed06478f93b7cf188ec7a1ee97aec8f91ea7bfceaf8b6e7e5a349c" |
| "4ad3225362ef440c57cbc6e69df15b6699caac85f733555075f04781b2b33", |
| "34b3520d45d240a8861b82c8b61ffa16e67b5cce", |
| 622, |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "0000000000000000000000000000000000000000000000000000000000002", |
| }, |
| { |
| 1024, |
| "c6c6f4f4eed927fb1c3b0c81010967e530658e6f9698ebe058b4f47b2dc8fcbc7" |
| "b69296b9e8b6cf55681181fe72492668061b262b0046a0d409902e269b0cb69a4" |
| "55ed1a086caf41927f5912bf0e0cbc45ee81a4f98bf6146f6168a228aec80e9cc" |
| "1162d6f6aa412efe82d4f18b95e34ab790daac5bd7aef0b22fa08ba5dbaad", |
| "d32b29f065c1394a30490b6fcbf812a32a8634ab", |
| "06f973c879e2e89345d0ac04f9c34ad69b9eff1680f18d1c8f3e1596c2e8fa8e1" |
| "ecef6830409e9012d4788bef6ec7414d09c981b47c941b77f39dfc49caff5e714" |
| "c97abe25a7a8b5d1fe88700bb96eff91cca64d53700a28b1146d81bad1212d231" |
| "80154c95a01f5aeebb553a8365c38a5ebe05539b51734233776ce9aff98b2", |
| "b6ec750da2f824cb42c5f7e28c81350d97f75125", |
| 185, |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "0000000000000000000000000000000000000000000000000000000000002", |
| }, |
| { |
| 1024, |
| "b827a9dc9221a6ed1bec7b64d61232aacb2812f888b0a0b3a95033d7a22e77d0b" |
| "ff23bfeed0fb1281b21b8ff7421f0c727d1fb8aa2b843d6885f067e763f83d41f" |
| "d800ab15a7e2b12f71ec2058ee7bd62cd72c26989b272e519785da57bfa1f974b" |
| "c652e1a2d6cfb68477de5635fd019b37add656cff0b802558b31b6d2851e5", |
| "de822c03445b77cec4ad3a6fb0ca39ff97059ddf", |
| "65a9e2d43a378d7063813104586868cacf2fccd51aec1e0b6af8ba3e66dee6371" |
| "681254c3fb5e3929d65e3c4bcd20abd4ddc7cf815623e17b9fc92f02b8d44278b" |
| "848480ffd193104cf5612639511e45bd247708ff6028bd3824f8844c263b46c69" |
| "1f2076f8cd13c5d0be95f1f2a1a17ab1f7e5bc73500bac27d57b473ba9748", |
| "cd2221dd73815a75224e9fde7faf52829b81ac7a", |
| 62, |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "0000000000000000000000000000000000000000000000000000000000002", |
| }, |
| { |
| 1024, |
| "898a8d93e295c8ef2ffd46976225a1543640640d155a576fafa0be32136165803" |
| "ba2eff2782a2be75cc9ec65db6bd3238cca695b3a5a14726a2a314775c377d891" |
| "354b3de6c89e714a05599ca04132c987f889f72c4fe298ccb31f711c03b07e1d9" |
| "8d72af590754cf3847398b60cecd55a4611692b308809560a83880404c227", |
| "c6d786643d2acfc6b8d576863fda8cfbfbd5e03f", |
| "2fd38b8d21c58e8fb5315a177b8d5dc4c450d574e69348b7b9da367c26e72438d" |
| "af8372e7f0bee84ef5dcbbc3727194a2228431192f1779be24837f22a0e14d10d" |
| "5344da1b8b403df9f9b2655095b3d0f67418ed6cd989f35aa4232e4b7001764fb" |
| "e85d6b2c716980f13272fc4271ac1e234f7e24c023cfc2d2dc0aa1e9af2fb", |
| "73483e697599871af983a281e3afa22e0ed86b68", |
| 272, |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "00000000000000000000000000000000000000000000000000000000000000000" |
| "0000000000000000000000000000000000000000000000000000000000002", |
| }, |
| |
| /* These tests are generated by the OpenSSL FIPS version. */ |
| { |
| 1024, |
| "A404363903FDCE86839BCFD953AAD2DA2B0E70CAED3B5FF5D68F15A1C4BB0A793C" |
| "A9D58FC956804C5901DE0AF99F345ED1A8617C687864BAC044B7C3C3E732A2B255" |
| "EC986AA76EA8CB0E0815B3E0E605650AF7D8058EE7E8EBCDEFFDAB8100D3FC1033" |
| "11BA3AB232EF06BB74BA9A949EC0C7ED324C19B202F4AB725BBB4080C9", |
| "C643946CEA8748E12D430C48DB038F9165814389", |
| "59B7E7BA0033CCE8E6837173420FBB382A784D4154A3C166043F5A68CB92945D16" |
| "892D4CC5585F2D28C780E75A6C20A379E2B58304C1E5FC0D8C15E4E89C4498C8BC" |
| "B90FB36ED8DC0489B9D0BC09EC4411FB0BFADF25485EEAB6700BE0ACF5C44A6ED7" |
| "44A015382FF9B8DA7EAA00DEA135FADC59212DBBFFC1537336FA4B7225", |
| "02708ab36e3f0bfd67ec3b8bd8829d03b84f56bd", |
| 50, |
| "02" |
| }, |
| { |
| 1024, |
| "9C664033DB8B203D826F896D2293C62EF9351D5CFD0F4C0AD7EFDA4DDC7F15987" |
| "6A3C68CAB2586B44FD1BD4DEF7A17905D88D321DD77C4E1720D848CA21D79F9B3" |
| "D8F537338E09B44E9F481E8DA3C56569F63146596A050EF8FAEE8ACA32C666450" |
| "04F675C8806EB4025B0A5ECC39CE89983EA40A183A7CF5208BA958045ABD5", |
| "AD0D8CBA369AF6CD0D2BAC0B4CFCAF0A1F9BCDF7", |
| "74D717F7092A2AF725FDD6C2561D1DBE5AEE40203C638BA8B9F49003857873701" |
| "95A44E515C4E8B344F5CDC7F4A6D38097CD57675E7643AB9700692C69F0A99B0E" |
| "039FDDDFCA8CEB607BDB4ADF2834DE1690F5823FC8199FB8F6F29E5A583B6786A" |
| "C14C7E67106C3B30568CBB9383F89287D578159778EB18216799D16D46498", |
| "6481a12a50384888ee84b61024f7c9c685d6ac96", |
| 289, |
| "02" |
| }, |
| { |
| 1024, |
| |
| "B0DFB602EB8462B1DC8C2214A52B587D3E6842CCF1C38D0F7C7F967ED30CF6828" |
| "1E2675B3BAB594755FB1634E66B4C23936F0725A358F8DFF3C307E2601FD66D63" |
| "5B17270450C50BD2BEC29E0E9A471DF1C15B0191517952268A2763D4BD28B8503" |
| "B3399686272B76B11227F693D7833105EF70C2289C3194CF4527024B272DF", |
| "EA649C04911FAB5A41440287A517EF752A40354B", |
| "88C5A4563ECB949763E0B696CD04B21321360F54C0EE7B23E2CEDC30E9E486162" |
| "01BFB1619E7C54B653D1F890C50E04B29205F5E3E2F93A13B0751AF25491C5194" |
| "93C09DDF6B9C173B3846DFB0E7A5C870BBFC78419260C90E20315410691C8326C" |
| "858D7063E7921F3F601158E912C7EE487FF259202BEEB10F6D9E99190F696", |
| "5bf9d17bc62fbbf3d569c92bd4505586b2e5ef1a", |
| 626, |
| "02" |
| }, |
| { |
| 1024, |
| "F783C08D7F9463E48BA87893805C4B34B63C85DF7EBDD9EBEE94DB4AF4E4A415C" |
| "F0F3793AE55096BA1199598798FA8403B28DED7F7C7AFD54FD535861A0150EF4D" |
| "5871465B13837CCF46BEB0A22F8D38DC7D6AE0E14A3845FD0C027CFA97791B977" |
| "CE2808BAD9B43CE69390C0F40016056722D82C0D7B1B27413D026A39D7DAD", |
| "A40D9EE456AED4C8A653FDB47B6629C0B843FE8F", |
| "DF876263E21F263AE6DA57409BD517DCEADB9216048F066D6B58867F8E59A5EEE" |
| "700283A946C1455534618979BE6C227673C1B803910262BD93BC94D5089850614" |
| "F3E29AB64E8C989A7E3E28FE670FFA3EE21DEEEC1AB0B60E1D8E2AA39663BADD7" |
| "2C9F957D7F3D4F17D9FDAD050EB373A6DEFD09F5DA752EAFE046836E14B67", |
| "8a9a57706f69f4f566252cdf6d5cbfdf2020150b", |
| 397, |
| "02" |
| }, |
| { |
| 1024, |
| "D40E4F6461E145859CCF60FD57962840BD75FFF12C22F76626F566842252AD068" |
| "29745F0147056354F6C016CF12762B0E331787925B8128CF5AF81F9B176A51934" |
| "96D792430FF83C7B79BD595BDA10787B34600787FA552EFE3662F37B99AAD3F3A" |
| "093732680A01345192A19BECCE6BF5D498E44ED6BED5B0BA72AAD49E8276B", |
| "D12F1BD0AA78B99247FD9F18EAFEE5C136686EA5", |
| "468EBD20C99449C1E440E6F8E452C6A6BC7551C555FE5E94996E20CFD4DA3B9CC" |
| "58499D6CC2374CCF9C392715A537DE10CFCA8A6A37AFBD187CF6B88D26881E5F5" |
| "7521D9D2C9BBA51E7B87B070BBE73F5C5FE31E752CAF88183516D8503BAAC1159" |
| "928EF50DEE52D96F396B93FB4138D786464C315401A853E57C9A0F9D25839", |
| "30b3599944a914a330a3f49d11ec88f555422aef", |
| 678, |
| "02" |
| } |
| }; |
| gpg_error_t err; |
| int tno; |
| gcry_sexp_t key_spec, key, pub_key, sec_key, seed_values; |
| gcry_sexp_t l1; |
| |
| for (tno = 0; tno < DIM (tbl); tno++) |
| { |
| if (verbose) |
| info ("generating FIPS 186-2 test key %d\n", tno); |
| |
| { |
| void *data; |
| size_t datalen; |
| |
| data = data_from_hex (tbl[tno].seed, &datalen); |
| err = gcry_sexp_build (&key_spec, NULL, |
| "(genkey (dsa (nbits %d)(use-fips186-2)" |
| "(derive-parms(seed %b))))", |
| tbl[tno].nbits, (int)datalen, data); |
| gcry_free (data); |
| } |
| if (err) |
| die ("error creating S-expression %d: %s\n", tno, gpg_strerror (err)); |
| |
| err = gcry_pk_genkey (&key, key_spec); |
| gcry_sexp_release (key_spec); |
| if (err) |
| { |
| fail ("error generating key %d: %s\n", tno, gpg_strerror (err)); |
| continue; |
| } |
| |
| if (verbose > 1) |
| show_sexp ("generated key:\n", key); |
| |
| pub_key = gcry_sexp_find_token (key, "public-key", 0); |
| if (!pub_key) |
| fail ("public part missing in key %d\n", tno); |
| |
| sec_key = gcry_sexp_find_token (key, "private-key", 0); |
| if (!sec_key) |
| fail ("private part missing in key %d\n", tno); |
| |
| l1 = gcry_sexp_find_token (key, "misc-key-info", 0); |
| if (!l1) |
| fail ("misc_key_info part missing in key %d\n", tno); |
| seed_values = gcry_sexp_find_token (l1, "seed-values", 0); |
| if (!seed_values) |
| fail ("seed-values part missing in key %d\n", tno); |
| gcry_sexp_release (l1); |
| |
| extract_cmp_mpi (sec_key, "p", tbl[tno].p); |
| extract_cmp_mpi (sec_key, "q", tbl[tno].q); |
| extract_cmp_mpi (sec_key, "g", tbl[tno].g); |
| |
| extract_cmp_data (seed_values, "seed", tbl[tno].seed); |
| extract_cmp_int (seed_values, "counter", tbl[tno].counter); |
| extract_cmp_mpi (seed_values, "h", tbl[tno].h); |
| |
| gcry_sexp_release (seed_values); |
| gcry_sexp_release (sec_key); |
| gcry_sexp_release (pub_key); |
| gcry_sexp_release (key); |
| } |
| } |
| |
| |
| |
| int |
| main (int argc, char **argv) |
| { |
| int debug = 0; |
| |
| if (argc > 1 && !strcmp (argv[1], "--verbose")) |
| verbose = 1; |
| else if (argc > 1 && !strcmp (argv[1], "--debug")) |
| { |
| verbose = 2; |
| debug = 1; |
| } |
| |
| gcry_control (GCRYCTL_DISABLE_SECMEM, 0); |
| if (!gcry_check_version ("1.4.4")) |
| die ("version mismatch\n"); |
| gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); |
| if (debug) |
| gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 1u, 0); |
| /* No valuable keys are create, so we can speed up our RNG. */ |
| gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0); |
| |
| |
| check_dsa_gen_186_2 (); |
| |
| |
| return error_count ? 1 : 0; |
| } |