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authorMike DePaulo <mikedep333@gmail.com>2015-07-07 08:57:00 -0400
committerMike DePaulo <mikedep333@gmail.com>2015-07-07 09:01:38 -0400
commitf65ff03d106f4cfe162bfde4780426b7bbc2e4ee (patch)
tree571dd0bd95a0341fcb1817a3a17df69b1d43e3de /openssl/crypto/bn/bn_shift.c
parent4241d28e545a02eb753c8f713149e20747f044b6 (diff)
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Update openssl: 1.0.1m -> 1.0.1o
Diffstat (limited to 'openssl/crypto/bn/bn_shift.c')
-rw-r--r--openssl/crypto/bn/bn_shift.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/openssl/crypto/bn/bn_shift.c b/openssl/crypto/bn/bn_shift.c
index 4f3e8ffed..9673d9a30 100644
--- a/openssl/crypto/bn/bn_shift.c
+++ b/openssl/crypto/bn/bn_shift.c
@@ -137,6 +137,11 @@ int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
bn_check_top(r);
bn_check_top(a);
+ if (n < 0) {
+ BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);
+ return 0;
+ }
+
r->neg = a->neg;
nw = n / BN_BITS2;
if (bn_wexpand(r, a->top + nw + 1) == NULL)
@@ -174,6 +179,11 @@ int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)
bn_check_top(r);
bn_check_top(a);
+ if (n < 0) {
+ BNerr(BN_F_BN_RSHIFT, BN_R_INVALID_SHIFT);
+ return 0;
+ }
+
nw = n / BN_BITS2;
rb = n % BN_BITS2;
lb = BN_BITS2 - rb;