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SP C: Fix array size for cache resistant modexp

pull/2957/head
Sean Parkinson 2020-05-07 10:00:14 +10:00
parent be3c39ed1c
commit b331804c27
2 changed files with 24 additions and 24 deletions
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24
wolfcrypt/src/sp_c32.c
View File

@ -1990,7 +1990,7 @@ static int sp_2048_mod_exp_45(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
sp_digit* td;
#else
sp_digit td[90];
sp_digit td[3 * 90];
#endif
sp_digit* t[3];
sp_digit* norm;
@ -2014,7 +2014,7 @@ static int sp_2048_mod_exp_45(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
t[i] = td + (i * 45 * 2);
#else
t[i] = &td[i * 45 * 2)];
t[i] = &td[i * 45 * 2];
#endif
}
@ -2943,7 +2943,7 @@ static int sp_2048_mod_exp_90(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
sp_digit* td;
#else
sp_digit td[180];
sp_digit td[3 * 180];
#endif
sp_digit* t[3];
sp_digit* norm;
@ -2967,7 +2967,7 @@ static int sp_2048_mod_exp_90(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
t[i] = td + (i * 90 * 2);
#else
t[i] = &td[i * 90 * 2)];
t[i] = &td[i * 90 * 2];
#endif
}
@ -5831,7 +5831,7 @@ static int sp_3072_mod_exp_67(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
sp_digit* td;
#else
sp_digit td[134];
sp_digit td[3 * 134];
#endif
sp_digit* t[3];
sp_digit* norm;
@ -5855,7 +5855,7 @@ static int sp_3072_mod_exp_67(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
t[i] = td + (i * 67 * 2);
#else
t[i] = &td[i * 67 * 2)];
t[i] = &td[i * 67 * 2];
#endif
}
@ -6820,7 +6820,7 @@ static int sp_3072_mod_exp_134(sp_digit* r, const sp_digit* a, const sp_digit* e
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
sp_digit* td;
#else
sp_digit td[268];
sp_digit td[3 * 268];
#endif
sp_digit* t[3];
sp_digit* norm;
@ -6844,7 +6844,7 @@ static int sp_3072_mod_exp_134(sp_digit* r, const sp_digit* a, const sp_digit* e
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
t[i] = td + (i * 134 * 2);
#else
t[i] = &td[i * 134 * 2)];
t[i] = &td[i * 134 * 2];
#endif
}
@ -9895,7 +9895,7 @@ static int sp_4096_mod_exp_98(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
sp_digit* td;
#else
sp_digit td[196];
sp_digit td[3 * 196];
#endif
sp_digit* t[3];
sp_digit* norm;
@ -9919,7 +9919,7 @@ static int sp_4096_mod_exp_98(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
t[i] = td + (i * 98 * 2);
#else
t[i] = &td[i * 98 * 2)];
t[i] = &td[i * 98 * 2];
#endif
}
@ -10861,7 +10861,7 @@ static int sp_4096_mod_exp_196(sp_digit* r, const sp_digit* a, const sp_digit* e
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
sp_digit* td;
#else
sp_digit td[392];
sp_digit td[3 * 392];
#endif
sp_digit* t[3];
sp_digit* norm;
@ -10885,7 +10885,7 @@ static int sp_4096_mod_exp_196(sp_digit* r, const sp_digit* a, const sp_digit* e
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
t[i] = td + (i * 196 * 2);
#else
t[i] = &td[i * 196 * 2)];
t[i] = &td[i * 196 * 2];
#endif
}

24
wolfcrypt/src/sp_c64.c
View File

@ -1638,7 +1638,7 @@ static int sp_2048_mod_exp_18(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
sp_digit* td;
#else
sp_digit td[36];
sp_digit td[3 * 36];
#endif
sp_digit* t[3];
sp_digit* norm;
@ -1662,7 +1662,7 @@ static int sp_2048_mod_exp_18(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
t[i] = td + (i * 18 * 2);
#else
t[i] = &td[i * 18 * 2)];
t[i] = &td[i * 18 * 2];
#endif
}
@ -2583,7 +2583,7 @@ static int sp_2048_mod_exp_36(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
sp_digit* td;
#else
sp_digit td[72];
sp_digit td[3 * 72];
#endif
sp_digit* t[3];
sp_digit* norm;
@ -2607,7 +2607,7 @@ static int sp_2048_mod_exp_36(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
t[i] = td + (i * 36 * 2);
#else
t[i] = &td[i * 36 * 2)];
t[i] = &td[i * 36 * 2];
#endif
}
@ -5819,7 +5819,7 @@ static int sp_3072_mod_exp_27(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
sp_digit* td;
#else
sp_digit td[54];
sp_digit td[3 * 54];
#endif
sp_digit* t[3];
sp_digit* norm;
@ -5843,7 +5843,7 @@ static int sp_3072_mod_exp_27(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
t[i] = td + (i * 27 * 2);
#else
t[i] = &td[i * 27 * 2)];
t[i] = &td[i * 27 * 2];
#endif
}
@ -6734,7 +6734,7 @@ static int sp_3072_mod_exp_54(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
sp_digit* td;
#else
sp_digit td[108];
sp_digit td[3 * 108];
#endif
sp_digit* t[3];
sp_digit* norm;
@ -6758,7 +6758,7 @@ static int sp_3072_mod_exp_54(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
t[i] = td + (i * 54 * 2);
#else
t[i] = &td[i * 54 * 2)];
t[i] = &td[i * 54 * 2];
#endif
}
@ -10116,7 +10116,7 @@ static int sp_4096_mod_exp_39(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
sp_digit* td;
#else
sp_digit td[78];
sp_digit td[3 * 78];
#endif
sp_digit* t[3];
sp_digit* norm;
@ -10140,7 +10140,7 @@ static int sp_4096_mod_exp_39(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
t[i] = td + (i * 39 * 2);
#else
t[i] = &td[i * 39 * 2)];
t[i] = &td[i * 39 * 2];
#endif
}
@ -11130,7 +11130,7 @@ static int sp_4096_mod_exp_78(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
sp_digit* td;
#else
sp_digit td[156];
sp_digit td[3 * 156];
#endif
sp_digit* t[3];
sp_digit* norm;
@ -11154,7 +11154,7 @@ static int sp_4096_mod_exp_78(sp_digit* r, const sp_digit* a, const sp_digit* e,
#if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SP_NO_MALLOC)
t[i] = td + (i * 78 * 2);
#else
t[i] = &td[i * 78 * 2)];
t[i] = &td[i * 78 * 2];
#endif
}