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f7daafa4
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 a bug in x509.c that omitted DSA parameters when they didn't match the
signers parameters. Changed it to never omit parameters.
上级
f8be08d2
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2
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and
12 deletion
+15
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apps/x509.c
apps/x509.c
+0
-12
未找到文件。
CHANGES
浏览文件 @
f7daafa4
...
...
@@ -4,6 +4,21 @@
Changes between 0.9.3a and 0.9.4
*) The x509 application mishandled signing requests containing DSA
keys when the signing key was also DSA and the parameters didn't match.
It was supposed to omit the parameters when they matched the signing key:
the verifying software was then supposed to automatically use the CA's
parameters if they were absent from the end user certificate.
Omitting parameters is no longer recommended. The test was also
the wrong way round! This was probably due to unusual behaviour in
EVP_cmp_parameters() which returns 1 if the parameters match.
This meant that parameters were omitted when they *didn't* match and
the certificate was useless. Certificates signed with 'ca' didn't have
this bug.
[Steve Henson, reported by Doug Erickson <Doug.Erickson@Part.NET>]
*) Memory leak checking had some problems. The interface is as follows:
Applications can use
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON) aka MemCheck_start(),
...
...
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apps/x509.c
浏览文件 @
f7daafa4
...
...
@@ -855,18 +855,6 @@ static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
if
(
X509_gmtime_adj
(
X509_get_notAfter
(
x
),(
long
)
60
*
60
*
24
*
days
)
==
NULL
)
goto
end
;
/* don't save DSA parameters in child if parent has them
* and the parents and the childs are the same. */
upkey
=
X509_get_pubkey
(
x
);
if
(
!
EVP_PKEY_missing_parameters
(
pkey
)
&&
(
EVP_PKEY_cmp_parameters
(
pkey
,
upkey
)
==
0
))
{
EVP_PKEY_save_parameters
(
upkey
,
0
);
/* Force a re-write */
X509_set_pubkey
(
x
,
upkey
);
}
EVP_PKEY_free
(
upkey
);
if
(
conf
)
{
X509V3_CTX
ctx2
;
X509_set_version
(
x
,
2
);
/* version 3 certificate */
...
...
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