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abd4c915
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Third Party Openssl
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abd4c915
编写于
25年前
作者:
D
Dr. Stephen Henson
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电子邮件补丁
差异文件
Fix for RSA private key encryption if p < q. This took ***ages*** to track down.
上级
47c389e7
变更
2
隐藏空白更改
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并排
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2 changed file
with
14 addition
and
0 deletion
+14
-0
CHANGES
CHANGES
+5
-0
crypto/rsa/rsa_eay.c
crypto/rsa/rsa_eay.c
+9
-0
未找到文件。
CHANGES
浏览文件 @
abd4c915
...
...
@@ -5,6 +5,11 @@
Changes between 0.9.1c and 0.9.2
*) Fix to RSA private encryption routines: if p < q then it would
occasionally produce an invalid result. This will only happen with
externally generated keys because OpenSSL (and SSLeay) ensure p > q.
[Steve Henson]
*) Be less restrictive and allow also `perl util/perlpath.pl
/path/to/bin/perl' in addition to `perl util/perlpath.pl /path/to/bin',
because this way one can also use an interpreter named `perl5' (which is
...
...
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crypto/rsa/rsa_eay.c
浏览文件 @
abd4c915
...
...
@@ -473,6 +473,15 @@ RSA *rsa;
if
(
!
BN_mul
(
&
r1
,
r0
,
rsa
->
iqmp
,
ctx
))
goto
err
;
if
(
!
BN_mod
(
r0
,
&
r1
,
rsa
->
p
,
ctx
))
goto
err
;
/* If p < q it is occasionally possible for the correction of
* adding 'p' if r0 is negative above to leave the result still
* negative. This can break the private key operations: the following
* second correction should *always* correct this rare occurrence.
* This will *never* happen with OpenSSL generated keys because
* they ensure p > q [steve]
*/
if
(
r0
->
neg
)
if
(
!
BN_add
(
r0
,
r0
,
rsa
->
p
))
goto
err
;
if
(
!
BN_mul
(
&
r1
,
r0
,
rsa
->
q
,
ctx
))
goto
err
;
if
(
!
BN_add
(
r0
,
&
r1
,
&
m1
))
goto
err
;
...
...
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