diff options
Diffstat (limited to '')
| -rw-r--r-- | src/lib/libcrypto/bn/arch/amd64/bn_arch.h | 6 | ||||
| -rw-r--r-- | src/lib/libcrypto/bn/arch/i386/bn_arch.h | 6 | ||||
| -rw-r--r-- | src/lib/libcrypto/bn/arch/mips64/bn_arch.h | 6 | ||||
| -rw-r--r-- | src/lib/libcrypto/bn/arch/powerpc/bn_arch.h | 6 | ||||
| -rw-r--r-- | src/lib/libcrypto/bn/arch/sparc/bn_arch.h | 6 | ||||
| -rw-r--r-- | src/lib/libcrypto/bn/bn_add.c | 159 | ||||
| -rw-r--r-- | src/lib/libcrypto/bn/bn_asm.c | 154 |
7 files changed, 184 insertions, 159 deletions
diff --git a/src/lib/libcrypto/bn/arch/amd64/bn_arch.h b/src/lib/libcrypto/bn/arch/amd64/bn_arch.h index 7fb4e980e9..fd4a6cde7a 100644 --- a/src/lib/libcrypto/bn/arch/amd64/bn_arch.h +++ b/src/lib/libcrypto/bn/arch/amd64/bn_arch.h | |||
| @@ -1,4 +1,4 @@ | |||
| 1 | /* $OpenBSD: bn_arch.h,v 1.3 2023/01/21 17:30:50 jsing Exp $ */ | 1 | /* $OpenBSD: bn_arch.h,v 1.4 2023/01/23 10:31:03 jsing Exp $ */ |
| 2 | /* | 2 | /* |
| 3 | * Copyright (c) 2023 Joel Sing <jsing@openbsd.org> | 3 | * Copyright (c) 2023 Joel Sing <jsing@openbsd.org> |
| 4 | * | 4 | * |
| @@ -20,6 +20,8 @@ | |||
| 20 | 20 | ||
| 21 | #ifndef OPENSSL_NO_ASM | 21 | #ifndef OPENSSL_NO_ASM |
| 22 | 22 | ||
| 23 | #define HAVE_BN_ADD_WORDS | ||
| 24 | |||
| 23 | #define HAVE_BN_MUL_COMBA4 | 25 | #define HAVE_BN_MUL_COMBA4 |
| 24 | #define HAVE_BN_MUL_COMBA8 | 26 | #define HAVE_BN_MUL_COMBA8 |
| 25 | 27 | ||
| @@ -27,5 +29,7 @@ | |||
| 27 | #define HAVE_BN_SQR_COMBA4 | 29 | #define HAVE_BN_SQR_COMBA4 |
| 28 | #define HAVE_BN_SQR_COMBA8 | 30 | #define HAVE_BN_SQR_COMBA8 |
| 29 | 31 | ||
| 32 | #define HAVE_BN_SUB_WORDS | ||
| 33 | |||
| 30 | #endif | 34 | #endif |
| 31 | #endif | 35 | #endif |
diff --git a/src/lib/libcrypto/bn/arch/i386/bn_arch.h b/src/lib/libcrypto/bn/arch/i386/bn_arch.h index 17d22f3cec..ab35efd56f 100644 --- a/src/lib/libcrypto/bn/arch/i386/bn_arch.h +++ b/src/lib/libcrypto/bn/arch/i386/bn_arch.h | |||
| @@ -1,4 +1,4 @@ | |||
| 1 | /* $OpenBSD: bn_arch.h,v 1.2 2023/01/20 17:31:52 jsing Exp $ */ | 1 | /* $OpenBSD: bn_arch.h,v 1.3 2023/01/23 10:31:03 jsing Exp $ */ |
| 2 | /* | 2 | /* |
| 3 | * Copyright (c) 2023 Joel Sing <jsing@openbsd.org> | 3 | * Copyright (c) 2023 Joel Sing <jsing@openbsd.org> |
| 4 | * | 4 | * |
| @@ -20,11 +20,15 @@ | |||
| 20 | 20 | ||
| 21 | #ifndef OPENSSL_NO_ASM | 21 | #ifndef OPENSSL_NO_ASM |
| 22 | 22 | ||
| 23 | #define HAVE_BN_ADD_WORDS | ||
| 24 | |||
| 23 | #define HAVE_BN_MUL_COMBA4 | 25 | #define HAVE_BN_MUL_COMBA4 |
| 24 | #define HAVE_BN_MUL_COMBA8 | 26 | #define HAVE_BN_MUL_COMBA8 |
| 25 | 27 | ||
| 26 | #define HAVE_BN_SQR_COMBA4 | 28 | #define HAVE_BN_SQR_COMBA4 |
| 27 | #define HAVE_BN_SQR_COMBA8 | 29 | #define HAVE_BN_SQR_COMBA8 |
| 28 | 30 | ||
| 31 | #define HAVE_BN_SUB_WORDS | ||
| 32 | |||
| 29 | #endif | 33 | #endif |
| 30 | #endif | 34 | #endif |
diff --git a/src/lib/libcrypto/bn/arch/mips64/bn_arch.h b/src/lib/libcrypto/bn/arch/mips64/bn_arch.h index 8e8fd1110f..e22d882970 100644 --- a/src/lib/libcrypto/bn/arch/mips64/bn_arch.h +++ b/src/lib/libcrypto/bn/arch/mips64/bn_arch.h | |||
| @@ -1,4 +1,4 @@ | |||
| 1 | /* $OpenBSD: bn_arch.h,v 1.3 2023/01/20 17:31:52 jsing Exp $ */ | 1 | /* $OpenBSD: bn_arch.h,v 1.4 2023/01/23 10:31:03 jsing Exp $ */ |
| 2 | /* | 2 | /* |
| 3 | * Copyright (c) 2023 Joel Sing <jsing@openbsd.org> | 3 | * Copyright (c) 2023 Joel Sing <jsing@openbsd.org> |
| 4 | * | 4 | * |
| @@ -20,6 +20,8 @@ | |||
| 20 | 20 | ||
| 21 | #ifndef OPENSSL_NO_ASM | 21 | #ifndef OPENSSL_NO_ASM |
| 22 | 22 | ||
| 23 | #define HAVE_BN_ADD_WORDS | ||
| 24 | |||
| 23 | #define HAVE_BN_DIV_3_WORDS | 25 | #define HAVE_BN_DIV_3_WORDS |
| 24 | 26 | ||
| 25 | #define HAVE_BN_MUL_COMBA4 | 27 | #define HAVE_BN_MUL_COMBA4 |
| @@ -28,5 +30,7 @@ | |||
| 28 | #define HAVE_BN_SQR_COMBA4 | 30 | #define HAVE_BN_SQR_COMBA4 |
| 29 | #define HAVE_BN_SQR_COMBA8 | 31 | #define HAVE_BN_SQR_COMBA8 |
| 30 | 32 | ||
| 33 | #define HAVE_BN_SUB_WORDS | ||
| 34 | |||
| 31 | #endif | 35 | #endif |
| 32 | #endif | 36 | #endif |
diff --git a/src/lib/libcrypto/bn/arch/powerpc/bn_arch.h b/src/lib/libcrypto/bn/arch/powerpc/bn_arch.h index 17d22f3cec..ab35efd56f 100644 --- a/src/lib/libcrypto/bn/arch/powerpc/bn_arch.h +++ b/src/lib/libcrypto/bn/arch/powerpc/bn_arch.h | |||
| @@ -1,4 +1,4 @@ | |||
| 1 | /* $OpenBSD: bn_arch.h,v 1.2 2023/01/20 17:31:52 jsing Exp $ */ | 1 | /* $OpenBSD: bn_arch.h,v 1.3 2023/01/23 10:31:03 jsing Exp $ */ |
| 2 | /* | 2 | /* |
| 3 | * Copyright (c) 2023 Joel Sing <jsing@openbsd.org> | 3 | * Copyright (c) 2023 Joel Sing <jsing@openbsd.org> |
| 4 | * | 4 | * |
| @@ -20,11 +20,15 @@ | |||
| 20 | 20 | ||
| 21 | #ifndef OPENSSL_NO_ASM | 21 | #ifndef OPENSSL_NO_ASM |
| 22 | 22 | ||
| 23 | #define HAVE_BN_ADD_WORDS | ||
| 24 | |||
| 23 | #define HAVE_BN_MUL_COMBA4 | 25 | #define HAVE_BN_MUL_COMBA4 |
| 24 | #define HAVE_BN_MUL_COMBA8 | 26 | #define HAVE_BN_MUL_COMBA8 |
| 25 | 27 | ||
| 26 | #define HAVE_BN_SQR_COMBA4 | 28 | #define HAVE_BN_SQR_COMBA4 |
| 27 | #define HAVE_BN_SQR_COMBA8 | 29 | #define HAVE_BN_SQR_COMBA8 |
| 28 | 30 | ||
| 31 | #define HAVE_BN_SUB_WORDS | ||
| 32 | |||
| 29 | #endif | 33 | #endif |
| 30 | #endif | 34 | #endif |
diff --git a/src/lib/libcrypto/bn/arch/sparc/bn_arch.h b/src/lib/libcrypto/bn/arch/sparc/bn_arch.h index 17d22f3cec..ab35efd56f 100644 --- a/src/lib/libcrypto/bn/arch/sparc/bn_arch.h +++ b/src/lib/libcrypto/bn/arch/sparc/bn_arch.h | |||
| @@ -1,4 +1,4 @@ | |||
| 1 | /* $OpenBSD: bn_arch.h,v 1.2 2023/01/20 17:31:52 jsing Exp $ */ | 1 | /* $OpenBSD: bn_arch.h,v 1.3 2023/01/23 10:31:03 jsing Exp $ */ |
| 2 | /* | 2 | /* |
| 3 | * Copyright (c) 2023 Joel Sing <jsing@openbsd.org> | 3 | * Copyright (c) 2023 Joel Sing <jsing@openbsd.org> |
| 4 | * | 4 | * |
| @@ -20,11 +20,15 @@ | |||
| 20 | 20 | ||
| 21 | #ifndef OPENSSL_NO_ASM | 21 | #ifndef OPENSSL_NO_ASM |
| 22 | 22 | ||
| 23 | #define HAVE_BN_ADD_WORDS | ||
| 24 | |||
| 23 | #define HAVE_BN_MUL_COMBA4 | 25 | #define HAVE_BN_MUL_COMBA4 |
| 24 | #define HAVE_BN_MUL_COMBA8 | 26 | #define HAVE_BN_MUL_COMBA8 |
| 25 | 27 | ||
| 26 | #define HAVE_BN_SQR_COMBA4 | 28 | #define HAVE_BN_SQR_COMBA4 |
| 27 | #define HAVE_BN_SQR_COMBA8 | 29 | #define HAVE_BN_SQR_COMBA8 |
| 28 | 30 | ||
| 31 | #define HAVE_BN_SUB_WORDS | ||
| 32 | |||
| 29 | #endif | 33 | #endif |
| 30 | #endif | 34 | #endif |
diff --git a/src/lib/libcrypto/bn/bn_add.c b/src/lib/libcrypto/bn/bn_add.c index 3352e0e1d5..b3fed564e9 100644 --- a/src/lib/libcrypto/bn/bn_add.c +++ b/src/lib/libcrypto/bn/bn_add.c | |||
| @@ -1,4 +1,4 @@ | |||
| 1 | /* $OpenBSD: bn_add.c,v 1.17 2023/01/20 04:49:48 jsing Exp $ */ | 1 | /* $OpenBSD: bn_add.c,v 1.18 2023/01/23 10:31:03 jsing Exp $ */ |
| 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 3 | * All rights reserved. | 3 | * All rights reserved. |
| 4 | * | 4 | * |
| @@ -56,12 +56,169 @@ | |||
| 56 | * [including the GNU Public Licence.] | 56 | * [including the GNU Public Licence.] |
| 57 | */ | 57 | */ |
| 58 | 58 | ||
| 59 | #include <assert.h> | ||
| 59 | #include <stdio.h> | 60 | #include <stdio.h> |
| 60 | 61 | ||
| 61 | #include <openssl/err.h> | 62 | #include <openssl/err.h> |
| 62 | 63 | ||
| 63 | #include "bn_local.h" | 64 | #include "bn_local.h" |
| 64 | 65 | ||
| 66 | #ifndef HAVE_BN_ADD_WORDS | ||
| 67 | #ifdef BN_LLONG | ||
| 68 | BN_ULONG | ||
| 69 | bn_add_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, int n) | ||
| 70 | { | ||
| 71 | BN_ULLONG ll = 0; | ||
| 72 | |||
| 73 | assert(n >= 0); | ||
| 74 | if (n <= 0) | ||
| 75 | return ((BN_ULONG)0); | ||
| 76 | |||
| 77 | #ifndef OPENSSL_SMALL_FOOTPRINT | ||
| 78 | while (n & ~3) { | ||
| 79 | ll += (BN_ULLONG)a[0] + b[0]; | ||
| 80 | r[0] = (BN_ULONG)ll & BN_MASK2; | ||
| 81 | ll >>= BN_BITS2; | ||
| 82 | ll += (BN_ULLONG)a[1] + b[1]; | ||
| 83 | r[1] = (BN_ULONG)ll & BN_MASK2; | ||
| 84 | ll >>= BN_BITS2; | ||
| 85 | ll += (BN_ULLONG)a[2] + b[2]; | ||
| 86 | r[2] = (BN_ULONG)ll & BN_MASK2; | ||
| 87 | ll >>= BN_BITS2; | ||
| 88 | ll += (BN_ULLONG)a[3] + b[3]; | ||
| 89 | r[3] = (BN_ULONG)ll & BN_MASK2; | ||
| 90 | ll >>= BN_BITS2; | ||
| 91 | a += 4; | ||
| 92 | b += 4; | ||
| 93 | r += 4; | ||
| 94 | n -= 4; | ||
| 95 | } | ||
| 96 | #endif | ||
| 97 | while (n) { | ||
| 98 | ll += (BN_ULLONG)a[0] + b[0]; | ||
| 99 | r[0] = (BN_ULONG)ll & BN_MASK2; | ||
| 100 | ll >>= BN_BITS2; | ||
| 101 | a++; | ||
| 102 | b++; | ||
| 103 | r++; | ||
| 104 | n--; | ||
| 105 | } | ||
| 106 | return ((BN_ULONG)ll); | ||
| 107 | } | ||
| 108 | #else /* !BN_LLONG */ | ||
| 109 | BN_ULONG | ||
| 110 | bn_add_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, int n) | ||
| 111 | { | ||
| 112 | BN_ULONG c, l, t; | ||
| 113 | |||
| 114 | assert(n >= 0); | ||
| 115 | if (n <= 0) | ||
| 116 | return ((BN_ULONG)0); | ||
| 117 | |||
| 118 | c = 0; | ||
| 119 | #ifndef OPENSSL_SMALL_FOOTPRINT | ||
| 120 | while (n & ~3) { | ||
| 121 | t = a[0]; | ||
| 122 | t = (t + c) & BN_MASK2; | ||
| 123 | c = (t < c); | ||
| 124 | l = (t + b[0]) & BN_MASK2; | ||
| 125 | c += (l < t); | ||
| 126 | r[0] = l; | ||
| 127 | t = a[1]; | ||
| 128 | t = (t + c) & BN_MASK2; | ||
| 129 | c = (t < c); | ||
| 130 | l = (t + b[1]) & BN_MASK2; | ||
| 131 | c += (l < t); | ||
| 132 | r[1] = l; | ||
| 133 | t = a[2]; | ||
| 134 | t = (t + c) & BN_MASK2; | ||
| 135 | c = (t < c); | ||
| 136 | l = (t + b[2]) & BN_MASK2; | ||
| 137 | c += (l < t); | ||
| 138 | r[2] = l; | ||
| 139 | t = a[3]; | ||
| 140 | t = (t + c) & BN_MASK2; | ||
| 141 | c = (t < c); | ||
| 142 | l = (t + b[3]) & BN_MASK2; | ||
| 143 | c += (l < t); | ||
| 144 | r[3] = l; | ||
| 145 | a += 4; | ||
| 146 | b += 4; | ||
| 147 | r += 4; | ||
| 148 | n -= 4; | ||
| 149 | } | ||
| 150 | #endif | ||
| 151 | while (n) { | ||
| 152 | t = a[0]; | ||
| 153 | t = (t + c) & BN_MASK2; | ||
| 154 | c = (t < c); | ||
| 155 | l = (t + b[0]) & BN_MASK2; | ||
| 156 | c += (l < t); | ||
| 157 | r[0] = l; | ||
| 158 | a++; | ||
| 159 | b++; | ||
| 160 | r++; | ||
| 161 | n--; | ||
| 162 | } | ||
| 163 | return ((BN_ULONG)c); | ||
| 164 | } | ||
| 165 | #endif /* !BN_LLONG */ | ||
| 166 | #endif | ||
| 167 | |||
| 168 | #ifndef HAVE_BN_SUB_WORDS | ||
| 169 | BN_ULONG | ||
| 170 | bn_sub_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, int n) | ||
| 171 | { | ||
| 172 | BN_ULONG t1, t2; | ||
| 173 | int c = 0; | ||
| 174 | |||
| 175 | assert(n >= 0); | ||
| 176 | if (n <= 0) | ||
| 177 | return ((BN_ULONG)0); | ||
| 178 | |||
| 179 | #ifndef OPENSSL_SMALL_FOOTPRINT | ||
| 180 | while (n&~3) { | ||
| 181 | t1 = a[0]; | ||
| 182 | t2 = b[0]; | ||
| 183 | r[0] = (t1 - t2 - c) & BN_MASK2; | ||
| 184 | if (t1 != t2) | ||
| 185 | c = (t1 < t2); | ||
| 186 | t1 = a[1]; | ||
| 187 | t2 = b[1]; | ||
| 188 | r[1] = (t1 - t2 - c) & BN_MASK2; | ||
| 189 | if (t1 != t2) | ||
| 190 | c = (t1 < t2); | ||
| 191 | t1 = a[2]; | ||
| 192 | t2 = b[2]; | ||
| 193 | r[2] = (t1 - t2 - c) & BN_MASK2; | ||
| 194 | if (t1 != t2) | ||
| 195 | c = (t1 < t2); | ||
| 196 | t1 = a[3]; | ||
| 197 | t2 = b[3]; | ||
| 198 | r[3] = (t1 - t2 - c) & BN_MASK2; | ||
| 199 | if (t1 != t2) | ||
| 200 | c = (t1 < t2); | ||
| 201 | a += 4; | ||
| 202 | b += 4; | ||
| 203 | r += 4; | ||
| 204 | n -= 4; | ||
| 205 | } | ||
| 206 | #endif | ||
| 207 | while (n) { | ||
| 208 | t1 = a[0]; | ||
| 209 | t2 = b[0]; | ||
| 210 | r[0] = (t1 - t2 - c) & BN_MASK2; | ||
| 211 | if (t1 != t2) | ||
| 212 | c = (t1 < t2); | ||
| 213 | a++; | ||
| 214 | b++; | ||
| 215 | r++; | ||
| 216 | n--; | ||
| 217 | } | ||
| 218 | return (c); | ||
| 219 | } | ||
| 220 | #endif | ||
| 221 | |||
| 65 | int | 222 | int |
| 66 | BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b) | 223 | BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b) |
| 67 | { | 224 | { |
diff --git a/src/lib/libcrypto/bn/bn_asm.c b/src/lib/libcrypto/bn/bn_asm.c index df4ddaea17..4224396c00 100644 --- a/src/lib/libcrypto/bn/bn_asm.c +++ b/src/lib/libcrypto/bn/bn_asm.c | |||
| @@ -1,4 +1,4 @@ | |||
| 1 | /* $OpenBSD: bn_asm.c,v 1.19 2023/01/20 17:31:52 jsing Exp $ */ | 1 | /* $OpenBSD: bn_asm.c,v 1.20 2023/01/23 10:31:03 jsing Exp $ */ |
| 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 3 | * All rights reserved. | 3 | * All rights reserved. |
| 4 | * | 4 | * |
| @@ -325,158 +325,6 @@ bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d) | |||
| 325 | } | 325 | } |
| 326 | #endif /* !defined(BN_LLONG) && defined(BN_DIV2W) */ | 326 | #endif /* !defined(BN_LLONG) && defined(BN_DIV2W) */ |
| 327 | 327 | ||
| 328 | #ifdef BN_LLONG | ||
| 329 | BN_ULONG | ||
| 330 | bn_add_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, int n) | ||
| 331 | { | ||
| 332 | BN_ULLONG ll = 0; | ||
| 333 | |||
| 334 | assert(n >= 0); | ||
| 335 | if (n <= 0) | ||
| 336 | return ((BN_ULONG)0); | ||
| 337 | |||
| 338 | #ifndef OPENSSL_SMALL_FOOTPRINT | ||
| 339 | while (n & ~3) { | ||
| 340 | ll += (BN_ULLONG)a[0] + b[0]; | ||
| 341 | r[0] = (BN_ULONG)ll & BN_MASK2; | ||
| 342 | ll >>= BN_BITS2; | ||
| 343 | ll += (BN_ULLONG)a[1] + b[1]; | ||
| 344 | r[1] = (BN_ULONG)ll & BN_MASK2; | ||
| 345 | ll >>= BN_BITS2; | ||
| 346 | ll += (BN_ULLONG)a[2] + b[2]; | ||
| 347 | r[2] = (BN_ULONG)ll & BN_MASK2; | ||
| 348 | ll >>= BN_BITS2; | ||
| 349 | ll += (BN_ULLONG)a[3] + b[3]; | ||
| 350 | r[3] = (BN_ULONG)ll & BN_MASK2; | ||
| 351 | ll >>= BN_BITS2; | ||
| 352 | a += 4; | ||
| 353 | b += 4; | ||
| 354 | r += 4; | ||
| 355 | n -= 4; | ||
| 356 | } | ||
| 357 | #endif | ||
| 358 | while (n) { | ||
| 359 | ll += (BN_ULLONG)a[0] + b[0]; | ||
| 360 | r[0] = (BN_ULONG)ll & BN_MASK2; | ||
| 361 | ll >>= BN_BITS2; | ||
| 362 | a++; | ||
| 363 | b++; | ||
| 364 | r++; | ||
| 365 | n--; | ||
| 366 | } | ||
| 367 | return ((BN_ULONG)ll); | ||
| 368 | } | ||
| 369 | #else /* !BN_LLONG */ | ||
| 370 | BN_ULONG | ||
| 371 | bn_add_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, int n) | ||
| 372 | { | ||
| 373 | BN_ULONG c, l, t; | ||
| 374 | |||
| 375 | assert(n >= 0); | ||
| 376 | if (n <= 0) | ||
| 377 | return ((BN_ULONG)0); | ||
| 378 | |||
| 379 | c = 0; | ||
| 380 | #ifndef OPENSSL_SMALL_FOOTPRINT | ||
| 381 | while (n & ~3) { | ||
| 382 | t = a[0]; | ||
| 383 | t = (t + c) & BN_MASK2; | ||
| 384 | c = (t < c); | ||
| 385 | l = (t + b[0]) & BN_MASK2; | ||
| 386 | c += (l < t); | ||
| 387 | r[0] = l; | ||
| 388 | t = a[1]; | ||
| 389 | t = (t + c) & BN_MASK2; | ||
| 390 | c = (t < c); | ||
| 391 | l = (t + b[1]) & BN_MASK2; | ||
| 392 | c += (l < t); | ||
| 393 | r[1] = l; | ||
| 394 | t = a[2]; | ||
| 395 | t = (t + c) & BN_MASK2; | ||
| 396 | c = (t < c); | ||
| 397 | l = (t + b[2]) & BN_MASK2; | ||
| 398 | c += (l < t); | ||
| 399 | r[2] = l; | ||
| 400 | t = a[3]; | ||
| 401 | t = (t + c) & BN_MASK2; | ||
| 402 | c = (t < c); | ||
| 403 | l = (t + b[3]) & BN_MASK2; | ||
| 404 | c += (l < t); | ||
| 405 | r[3] = l; | ||
| 406 | a += 4; | ||
| 407 | b += 4; | ||
| 408 | r += 4; | ||
| 409 | n -= 4; | ||
| 410 | } | ||
| 411 | #endif | ||
| 412 | while (n) { | ||
| 413 | t = a[0]; | ||
| 414 | t = (t + c) & BN_MASK2; | ||
| 415 | c = (t < c); | ||
| 416 | l = (t + b[0]) & BN_MASK2; | ||
| 417 | c += (l < t); | ||
| 418 | r[0] = l; | ||
| 419 | a++; | ||
| 420 | b++; | ||
| 421 | r++; | ||
| 422 | n--; | ||
| 423 | } | ||
| 424 | return ((BN_ULONG)c); | ||
| 425 | } | ||
| 426 | #endif /* !BN_LLONG */ | ||
| 427 | |||
| 428 | BN_ULONG | ||
| 429 | bn_sub_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b, int n) | ||
| 430 | { | ||
| 431 | BN_ULONG t1, t2; | ||
| 432 | int c = 0; | ||
| 433 | |||
| 434 | assert(n >= 0); | ||
| 435 | if (n <= 0) | ||
| 436 | return ((BN_ULONG)0); | ||
| 437 | |||
| 438 | #ifndef OPENSSL_SMALL_FOOTPRINT | ||
| 439 | while (n&~3) { | ||
| 440 | t1 = a[0]; | ||
| 441 | t2 = b[0]; | ||
| 442 | r[0] = (t1 - t2 - c) & BN_MASK2; | ||
| 443 | if (t1 != t2) | ||
| 444 | c = (t1 < t2); | ||
| 445 | t1 = a[1]; | ||
| 446 | t2 = b[1]; | ||
| 447 | r[1] = (t1 - t2 - c) & BN_MASK2; | ||
| 448 | if (t1 != t2) | ||
| 449 | c = (t1 < t2); | ||
| 450 | t1 = a[2]; | ||
| 451 | t2 = b[2]; | ||
| 452 | r[2] = (t1 - t2 - c) & BN_MASK2; | ||
| 453 | if (t1 != t2) | ||
| 454 | c = (t1 < t2); | ||
| 455 | t1 = a[3]; | ||
| 456 | t2 = b[3]; | ||
| 457 | r[3] = (t1 - t2 - c) & BN_MASK2; | ||
| 458 | if (t1 != t2) | ||
| 459 | c = (t1 < t2); | ||
| 460 | a += 4; | ||
| 461 | b += 4; | ||
| 462 | r += 4; | ||
| 463 | n -= 4; | ||
| 464 | } | ||
| 465 | #endif | ||
| 466 | while (n) { | ||
| 467 | t1 = a[0]; | ||
| 468 | t2 = b[0]; | ||
| 469 | r[0] = (t1 - t2 - c) & BN_MASK2; | ||
| 470 | if (t1 != t2) | ||
| 471 | c = (t1 < t2); | ||
| 472 | a++; | ||
| 473 | b++; | ||
| 474 | r++; | ||
| 475 | n--; | ||
| 476 | } | ||
| 477 | return (c); | ||
| 478 | } | ||
| 479 | |||
| 480 | #if defined(BN_MUL_COMBA) && !defined(OPENSSL_SMALL_FOOTPRINT) | 328 | #if defined(BN_MUL_COMBA) && !defined(OPENSSL_SMALL_FOOTPRINT) |
| 481 | 329 | ||
| 482 | #ifdef OPENSSL_NO_ASM | 330 | #ifdef OPENSSL_NO_ASM |
