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aef838fc
T
Third Party Openssl
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aef838fc
编写于
25年前
作者:
D
Dr. Stephen Henson
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
New UTF8 utility functions to parse/generate UTF8 strings.
上级
b74ba295
变更
4
隐藏空白更改
内联
并排
Showing
4 changed file
with
159 addition
and
0 deletion
+159
-0
CHANGES
CHANGES
+4
-0
crypto/asn1/a_utf8.c
crypto/asn1/a_utf8.c
+149
-0
crypto/asn1/asn1.h
crypto/asn1/asn1.h
+4
-0
util/libeay.num
util/libeay.num
+2
-0
未找到文件。
CHANGES
浏览文件 @
aef838fc
...
...
@@ -4,6 +4,10 @@
Changes between 0.9.4 and 0.9.5 [xx XXX 1999]
*) New functions UTF8_getc() and UTF8_putc() that parse and generate
UTF8 strings a character at a time.
[Steve Henson]
*) Use client_version from client hello to select the protocol
(s23_srvr.c) and for RSA client key exchange verification
(s3_srvr.c), as required by the SSL 3.0/TLS 1.0 specifications.
...
...
This diff is collapsed.
Click to expand it.
crypto/asn1/a_utf8.c
浏览文件 @
aef838fc
...
...
@@ -81,3 +81,152 @@ ASN1_UTF8STRING *d2i_ASN1_UTF8STRING(ASN1_UTF8STRING **a, unsigned char **pp,
return
(
ret
);
}
/* UTF8 utilities */
/* This parses a UTF8 string one character at a time. It is passed a pointer
* to the string and the length of the string. It sets 'value' to the value of
* the current character. It returns the number of characters read or a
* negative error code:
* -1 = string too short
* -2 = illegal character
* -3 = subsequent characters not of the form 10xxxxxx
* -4 = character encoded incorrectly (not minimal length).
*/
int
UTF8_getc
(
unsigned
char
*
str
,
int
len
,
unsigned
long
*
val
)
{
unsigned
char
*
p
;
unsigned
long
value
;
int
ret
;
if
(
len
<=
0
)
return
0
;
p
=
str
;
/* Check syntax and work out the encoded value (if correct) */
if
((
*
p
&
0x80
)
==
0
)
{
value
=
*
p
++
&
0x7f
;
ret
=
1
;
}
else
if
((
*
p
&
0xe0
)
==
0xc0
)
{
if
(
len
<
2
)
return
-
1
;
if
((
p
[
1
]
&
0xc0
)
!=
0x80
)
return
-
3
;
value
=
(
*
p
++
&
0x1f
)
<<
6
;
value
|=
*
p
++
&
0x3f
;
if
(
value
<
0x80
)
return
-
4
;
ret
=
2
;
}
else
if
((
*
p
&
0xf0
)
==
0xe0
)
{
if
(
len
<
3
)
return
-
1
;
if
(
((
p
[
1
]
&
0xc0
)
!=
0x80
)
||
((
p
[
2
]
&
0xc0
)
!=
0x80
)
)
return
-
3
;
value
=
(
*
p
++
&
0xf
)
<<
12
;
value
|=
(
*
p
++
&
0x3f
)
<<
6
;
value
|=
*
p
++
&
0x3f
;
if
(
value
<
0x800
)
return
-
4
;
ret
=
3
;
}
else
if
((
*
p
&
0xf8
)
==
0xf0
)
{
if
(
len
<
4
)
return
-
1
;
if
(
((
p
[
1
]
&
0xc0
)
!=
0x80
)
||
((
p
[
2
]
&
0xc0
)
!=
0x80
)
||
((
p
[
3
]
&
0xc0
)
!=
0x80
)
)
return
-
3
;
value
=
(
*
p
++
&
0x7
)
<<
18
;
value
|=
(
*
p
++
&
0x3f
)
<<
12
;
value
|=
(
*
p
++
&
0x3f
)
<<
6
;
value
|=
*
p
++
&
0x3f
;
if
(
value
<
0x10000
)
return
-
4
;
ret
=
4
;
}
else
if
((
*
p
&
0xfc
)
==
0xf8
)
{
if
(
len
<
5
)
return
-
1
;
if
(
((
p
[
1
]
&
0xc0
)
!=
0x80
)
||
((
p
[
2
]
&
0xc0
)
!=
0x80
)
||
((
p
[
3
]
&
0xc0
)
!=
0x80
)
||
((
p
[
4
]
&
0xc0
)
!=
0x80
)
)
return
-
3
;
value
=
(
*
p
++
&
0x3
)
<<
24
;
value
|=
(
*
p
++
&
0x3f
)
<<
18
;
value
|=
(
*
p
++
&
0x3f
)
<<
12
;
value
|=
(
*
p
++
&
0x3f
)
<<
6
;
value
|=
*
p
++
&
0x3f
;
if
(
value
<
0x200000
)
return
-
4
;
ret
=
5
;
}
else
if
((
*
p
&
0xfe
)
==
0xfc
)
{
if
(
len
<
6
)
return
-
1
;
if
(
((
p
[
1
]
&
0xc0
)
!=
0x80
)
||
((
p
[
2
]
&
0xc0
)
!=
0x80
)
||
((
p
[
3
]
&
0xc0
)
!=
0x80
)
||
((
p
[
4
]
&
0xc0
)
!=
0x80
)
||
((
p
[
5
]
&
0xc0
)
!=
0x80
)
)
return
-
3
;
value
=
(
*
p
++
&
0x1
)
<<
30
;
value
|=
(
*
p
++
&
0x3f
)
<<
24
;
value
|=
(
*
p
++
&
0x3f
)
<<
18
;
value
|=
(
*
p
++
&
0x3f
)
<<
12
;
value
|=
(
*
p
++
&
0x3f
)
<<
6
;
value
|=
*
p
++
&
0x3f
;
if
(
value
<
0x4000000
)
return
-
4
;
ret
=
6
;
}
else
return
-
2
;
*
val
=
value
;
return
ret
;
}
/* This takes a character 'value' and writes the UTF8 encoded value in
* 'str' where 'str' is a buffer containing 'len' characters. Returns
* the number of characters written or -1 if 'len' is too small. 'str' can
* be set to NULL in which case it just returns the number of characters.
* It will need at most 6 characters.
*/
int
UTF8_putc
(
unsigned
char
*
str
,
int
len
,
unsigned
long
value
)
{
if
(
!
str
)
len
=
6
;
/* Maximum we will need */
else
if
(
len
<=
0
)
return
-
1
;
if
(
value
<
0x80
)
{
if
(
str
)
*
str
=
value
;
return
1
;
}
if
(
value
<
0x800
)
{
if
(
len
<
2
)
return
-
1
;
if
(
str
)
{
*
str
++
=
((
value
>>
6
)
&
0x1f
)
|
0xc0
;
*
str
=
(
value
&
0x3f
)
|
0x80
;
}
return
2
;
}
if
(
value
<
0x10000
)
{
if
(
len
<
3
)
return
-
1
;
if
(
str
)
{
*
str
++
=
((
value
>>
12
)
&
0xf
)
|
0xe0
;
*
str
++
=
((
value
>>
6
)
&
0x3f
)
|
0x80
;
*
str
=
(
value
&
0x3f
)
|
0x80
;
}
return
3
;
}
if
(
value
<
0x200000
)
{
if
(
len
<
4
)
return
-
1
;
if
(
str
)
{
*
str
++
=
((
value
>>
18
)
&
0x7
)
|
0xf0
;
*
str
++
=
((
value
>>
12
)
&
0x3f
)
|
0x80
;
*
str
++
=
((
value
>>
6
)
&
0x3f
)
|
0x80
;
*
str
=
(
value
&
0x3f
)
|
0x80
;
}
return
4
;
}
if
(
value
<
0x4000000
)
{
if
(
len
<
5
)
return
-
1
;
if
(
str
)
{
*
str
++
=
((
value
>>
24
)
&
0x3
)
|
0xf8
;
*
str
++
=
((
value
>>
18
)
&
0x3f
)
|
0x80
;
*
str
++
=
((
value
>>
12
)
&
0x3f
)
|
0x80
;
*
str
++
=
((
value
>>
6
)
&
0x3f
)
|
0x80
;
*
str
=
(
value
&
0x3f
)
|
0x80
;
}
return
5
;
}
if
(
len
<
6
)
return
-
1
;
if
(
str
)
{
*
str
++
=
((
value
>>
30
)
&
0x1
)
|
0xfc
;
*
str
++
=
((
value
>>
24
)
&
0x3f
)
|
0x80
;
*
str
++
=
((
value
>>
18
)
&
0x3f
)
|
0x80
;
*
str
++
=
((
value
>>
12
)
&
0x3f
)
|
0x80
;
*
str
++
=
((
value
>>
6
)
&
0x3f
)
|
0x80
;
*
str
=
(
value
&
0x3f
)
|
0x80
;
}
return
6
;
}
This diff is collapsed.
Click to expand it.
crypto/asn1/asn1.h
浏览文件 @
aef838fc
...
...
@@ -553,6 +553,10 @@ int i2d_ASN1_BMPSTRING(ASN1_BMPSTRING *a, unsigned char **pp);
ASN1_BMPSTRING
*
d2i_ASN1_BMPSTRING
(
ASN1_BMPSTRING
**
a
,
unsigned
char
**
pp
,
long
length
);
int
UTF8_getc
(
unsigned
char
*
str
,
int
len
,
unsigned
long
*
val
);
int
UTF8_putc
(
unsigned
char
*
str
,
int
len
,
unsigned
long
value
);
int
i2d_ASN1_PRINTABLE
(
ASN1_STRING
*
a
,
unsigned
char
**
pp
);
ASN1_STRING
*
d2i_ASN1_PRINTABLE
(
ASN1_STRING
**
a
,
unsigned
char
**
pp
,
long
l
);
...
...
This diff is collapsed.
Click to expand it.
util/libeay.num
浏览文件 @
aef838fc
...
...
@@ -1874,3 +1874,5 @@ NETSCAPE_SPKI_set_pubkey 1898
NETSCAPE_SPKI_b64_encode 1899
NETSCAPE_SPKI_get_pubkey 1900
NETSCAPE_SPKI_b64_decode 1901
UTF8_putc 1902
UTF8_getc 1903
This diff is collapsed.
Click to expand it.
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