diff options
Diffstat (limited to 'src/lib/libcrypto/bn/bn_lib.c')
| -rw-r--r-- | src/lib/libcrypto/bn/bn_lib.c | 31 |
1 files changed, 3 insertions, 28 deletions
diff --git a/src/lib/libcrypto/bn/bn_lib.c b/src/lib/libcrypto/bn/bn_lib.c index 389dd3ff3e..b8eb565497 100644 --- a/src/lib/libcrypto/bn/bn_lib.c +++ b/src/lib/libcrypto/bn/bn_lib.c | |||
| @@ -1,4 +1,4 @@ | |||
| 1 | /* $OpenBSD: bn_lib.c,v 1.86 2023/04/30 19:15:48 tb Exp $ */ | 1 | /* $OpenBSD: bn_lib.c,v 1.87 2023/06/21 07:41:55 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 | * |
| @@ -159,27 +159,6 @@ BN_value_one(void) | |||
| 159 | return &bn_value_one; | 159 | return &bn_value_one; |
| 160 | } | 160 | } |
| 161 | 161 | ||
| 162 | #ifndef HAVE_BN_WORD_CLZ | ||
| 163 | int | ||
| 164 | bn_word_clz(BN_ULONG w) | ||
| 165 | { | ||
| 166 | BN_ULONG bits, mask, shift; | ||
| 167 | |||
| 168 | bits = shift = BN_BITS2; | ||
| 169 | mask = 0; | ||
| 170 | |||
| 171 | while ((shift >>= 1) != 0) { | ||
| 172 | bits += (shift & mask) - (shift & ~mask); | ||
| 173 | mask = bn_ct_ne_zero_mask(w >> bits); | ||
| 174 | } | ||
| 175 | bits += 1 & mask; | ||
| 176 | |||
| 177 | bits -= bn_ct_eq_zero(w); | ||
| 178 | |||
| 179 | return BN_BITS2 - bits; | ||
| 180 | } | ||
| 181 | #endif | ||
| 182 | |||
| 183 | int | 162 | int |
| 184 | BN_num_bits_word(BN_ULONG w) | 163 | BN_num_bits_word(BN_ULONG w) |
| 185 | { | 164 | { |
| @@ -187,13 +166,9 @@ BN_num_bits_word(BN_ULONG w) | |||
| 187 | } | 166 | } |
| 188 | 167 | ||
| 189 | int | 168 | int |
| 190 | BN_num_bits(const BIGNUM *a) | 169 | BN_num_bits(const BIGNUM *bn) |
| 191 | { | 170 | { |
| 192 | int i = a->top - 1; | 171 | return bn_bitsize(bn); |
| 193 | |||
| 194 | if (BN_is_zero(a)) | ||
| 195 | return 0; | ||
| 196 | return ((i * BN_BITS2) + BN_num_bits_word(a->d[i])); | ||
| 197 | } | 172 | } |
| 198 | 173 | ||
| 199 | void | 174 | void |
