Mercurial > dropbear
annotate libtommath/bn_mp_prime_frobenius_underwood.c @ 1690:2a06ef4ba80d
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author | Matt Johnston <matt@ucc.asn.au> |
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date | Tue, 26 May 2020 23:16:11 +0800 |
parents | f52919ffd3b1 |
children | 1051e4eea25a |
rev | line source |
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1655
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1 #include "tommath_private.h" |
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2 #ifdef BN_MP_PRIME_FROBENIUS_UNDERWOOD_C |
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3 |
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4 /* LibTomMath, multiple-precision integer library -- Tom St Denis |
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5 * |
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6 * LibTomMath is a library that provides multiple-precision |
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7 * integer arithmetic as well as number theoretic functionality. |
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8 * |
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9 * The library was designed directly after the MPI library by |
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10 * Michael Fromberger but has been written from scratch with |
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11 * additional optimizations in place. |
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12 * |
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13 * SPDX-License-Identifier: Unlicense |
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14 */ |
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15 |
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16 /* |
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17 * See file bn_mp_prime_is_prime.c or the documentation in doc/bn.tex for the details |
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18 */ |
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19 #ifndef LTM_USE_FIPS_ONLY |
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20 |
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21 #ifdef MP_8BIT |
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22 /* |
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23 * floor of positive solution of |
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24 * (2^16)-1 = (a+4)*(2*a+5) |
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25 * TODO: Both values are smaller than N^(1/4), would have to use a bigint |
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26 * for a instead but any a biger than about 120 are already so rare that |
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27 * it is possible to ignore them and still get enough pseudoprimes. |
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28 * But it is still a restriction of the set of available pseudoprimes |
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29 * which makes this implementation less secure if used stand-alone. |
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30 */ |
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31 #define LTM_FROBENIUS_UNDERWOOD_A 177 |
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32 #else |
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33 #define LTM_FROBENIUS_UNDERWOOD_A 32764 |
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34 #endif |
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35 int mp_prime_frobenius_underwood(const mp_int *N, int *result) |
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36 { |
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37 mp_int T1z, T2z, Np1z, sz, tz; |
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38 |
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39 int a, ap2, length, i, j, isset; |
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40 int e; |
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41 |
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42 *result = MP_NO; |
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43 |
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44 if ((e = mp_init_multi(&T1z, &T2z, &Np1z, &sz, &tz, NULL)) != MP_OKAY) { |
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45 return e; |
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46 } |
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47 |
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48 for (a = 0; a < LTM_FROBENIUS_UNDERWOOD_A; a++) { |
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49 /* TODO: That's ugly! No, really, it is! */ |
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50 if ((a==2) || (a==4) || (a==7) || (a==8) || (a==10) || |
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51 (a==14) || (a==18) || (a==23) || (a==26) || (a==28)) { |
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52 continue; |
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53 } |
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54 /* (32764^2 - 4) < 2^31, no bigint for >MP_8BIT needed) */ |
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55 if ((e = mp_set_long(&T1z, (unsigned long)a)) != MP_OKAY) { |
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56 goto LBL_FU_ERR; |
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57 } |
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58 |
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59 if ((e = mp_sqr(&T1z, &T1z)) != MP_OKAY) { |
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60 goto LBL_FU_ERR; |
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61 } |
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62 |
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63 if ((e = mp_sub_d(&T1z, 4uL, &T1z)) != MP_OKAY) { |
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64 goto LBL_FU_ERR; |
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65 } |
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66 |
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67 if ((e = mp_kronecker(&T1z, N, &j)) != MP_OKAY) { |
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68 goto LBL_FU_ERR; |
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69 } |
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70 |
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71 if (j == -1) { |
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72 break; |
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73 } |
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74 |
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75 if (j == 0) { |
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76 /* composite */ |
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77 goto LBL_FU_ERR; |
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78 } |
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79 } |
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80 /* Tell it a composite and set return value accordingly */ |
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81 if (a >= LTM_FROBENIUS_UNDERWOOD_A) { |
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82 e = MP_ITER; |
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83 goto LBL_FU_ERR; |
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84 } |
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85 /* Composite if N and (a+4)*(2*a+5) are not coprime */ |
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86 if ((e = mp_set_long(&T1z, (unsigned long)((a+4)*((2*a)+5)))) != MP_OKAY) { |
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87 goto LBL_FU_ERR; |
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88 } |
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89 |
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90 if ((e = mp_gcd(N, &T1z, &T1z)) != MP_OKAY) { |
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91 goto LBL_FU_ERR; |
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92 } |
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93 |
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94 if (!((T1z.used == 1) && (T1z.dp[0] == 1u))) { |
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95 goto LBL_FU_ERR; |
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96 } |
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Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
97 |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
98 ap2 = a + 2; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
99 if ((e = mp_add_d(N, 1uL, &Np1z)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
100 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
101 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
102 |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
103 mp_set(&sz, 1uL); |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
104 mp_set(&tz, 2uL); |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
105 length = mp_count_bits(&Np1z); |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
106 |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
107 for (i = length - 2; i >= 0; i--) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
108 /* |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
109 * temp = (sz*(a*sz+2*tz))%N; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
110 * tz = ((tz-sz)*(tz+sz))%N; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
111 * sz = temp; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
112 */ |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
113 if ((e = mp_mul_2(&tz, &T2z)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
114 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
115 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
116 |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
117 /* a = 0 at about 50% of the cases (non-square and odd input) */ |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
118 if (a != 0) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
119 if ((e = mp_mul_d(&sz, (mp_digit)a, &T1z)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
120 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
121 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
122 if ((e = mp_add(&T1z, &T2z, &T2z)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
123 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
124 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
125 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
126 |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
127 if ((e = mp_mul(&T2z, &sz, &T1z)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
128 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
129 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
130 if ((e = mp_sub(&tz, &sz, &T2z)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
131 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
132 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
133 if ((e = mp_add(&sz, &tz, &sz)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
134 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
135 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
136 if ((e = mp_mul(&sz, &T2z, &tz)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
137 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
138 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
139 if ((e = mp_mod(&tz, N, &tz)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
140 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
141 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
142 if ((e = mp_mod(&T1z, N, &sz)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
143 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
144 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
145 if ((isset = mp_get_bit(&Np1z, i)) == MP_VAL) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
146 e = isset; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
147 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
148 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
149 if (isset == MP_YES) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
150 /* |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
151 * temp = (a+2) * sz + tz |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
152 * tz = 2 * tz - sz |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
153 * sz = temp |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
154 */ |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
155 if (a == 0) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
156 if ((e = mp_mul_2(&sz, &T1z)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
157 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
158 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
159 } else { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
160 if ((e = mp_mul_d(&sz, (mp_digit)ap2, &T1z)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
161 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
162 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
163 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
164 if ((e = mp_add(&T1z, &tz, &T1z)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
165 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
166 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
167 if ((e = mp_mul_2(&tz, &T2z)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
168 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
169 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
170 if ((e = mp_sub(&T2z, &sz, &tz)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
171 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
172 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
173 mp_exch(&sz, &T1z); |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
174 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
175 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
176 |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
177 if ((e = mp_set_long(&T1z, (unsigned long)((2 * a) + 5))) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
178 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
179 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
180 if ((e = mp_mod(&T1z, N, &T1z)) != MP_OKAY) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
181 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
182 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
183 if ((mp_iszero(&sz) != MP_NO) && (mp_cmp(&tz, &T1z) == MP_EQ)) { |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
184 *result = MP_YES; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
185 goto LBL_FU_ERR; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
186 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
187 |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
188 LBL_FU_ERR: |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
189 mp_clear_multi(&tz, &sz, &Np1z, &T2z, &T1z, NULL); |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
190 return e; |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
191 } |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
192 |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
193 #endif |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
194 #endif |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
195 |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
196 /* ref: HEAD -> master, tag: v1.1.0 */ |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
197 /* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */ |
f52919ffd3b1
update ltm to 1.1.0 and enable FIPS 186.4 compliant key-generation (#79)
Steffen Jaeckel <s_jaeckel@gmx.de>
parents:
diff
changeset
|
198 /* commit time: 2019-01-28 20:32:32 +0100 */ |