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Overview
| Comment: | cherry-pick [3e4d907d8e] from 8.6: prevent buffer overrun in fast_s_mp_mul_digs(). |
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| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | core-8-5-branch |
| Files: | files | file ages | folders |
| SHA3-256: |
02693d92df2690a3ba4f6ad3bdf7bec3 |
| User & Date: | sebres 2019-01-07 01:11:32.567 |
Context
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2019-01-25
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| 13:43 | Do not assume that literals have a non-NULL bytes field; user code could purge it. check-in: da7b45afb4 user: dkf tags: core-8-5-branch | |
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2019-01-07
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| 01:15 | merge back after cherry-picking (no functional changes) check-in: 6a6a71e5bf user: sebres tags: core-8-6-branch | |
| 01:11 | cherry-pick [3e4d907d8e] from 8.6: prevent buffer overrun in fast_s_mp_mul_digs(). check-in: 02693d92df user: sebres tags: core-8-5-branch | |
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2019-01-04
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| 22:29 | Update TZ info to tzdata2018i. check-in: cf6870f4f3 user: jan.nijtmans tags: core-8-5-branch | |
Changes
Changes to libtommath/bn_fast_s_mp_mul_digs.c.
| ︙ | ︙ | |||
83 84 85 86 87 88 89 |
/* setup dest */
olduse = c->used;
c->used = pa;
{
register mp_digit *tmpc;
tmpc = c->dp;
| | | 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 |
/* setup dest */
olduse = c->used;
c->used = pa;
{
register mp_digit *tmpc;
tmpc = c->dp;
for (ix = 0; ix < pa; ix++) {
/* now extract the previous digit [below the carry] */
*tmpc++ = W[ix];
}
/* clear unused digits [that existed in the old copy of c] */
for (; ix < olduse; ix++) {
*tmpc++ = 0;
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| ︙ | ︙ |