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Merge pull request #10282 from akallabeth/base64_fix 

[crypto,base64] force signed char
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akallabeth 2024-06-17 17:29:40 +02:00 committed by GitHub
parent 38c88c5eb7 d9473be307
commit e315fb46d3
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 7 additions and 6 deletions
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13
libfreerdp/crypto/base64.c
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@ -27,7 +27,7 @@ static const char enc_base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrst
static const char enc_base64url[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
static const char dec_base64url[] = {
static const signed char dec_base64url[] = {
-1, /* 0 000 00 00000000 NUL � Null character */
-1, /* 1 001 01 00000001 SOH  Start of Heading */
-1, /* 2 002 02 00000010 STX  Start of Text */
@ -164,7 +164,7 @@ static const char dec_base64url[] = {
-1, /* 126 176 7E 01111110 ~ ~ ˜ Equivalency sign - tilde */
-1, /* 127 177 7F 01111111 DEL  Delete */
};
static const char dec_base64[] = {
static const signed char dec_base64[] = {
-1, /* 0 000 00 00000000 NUL � Null character */
-1, /* 1 001 01 00000001 SOH  Start of Heading */
-1, /* 2 002 02 00000010 STX  Start of Text */
@ -391,13 +391,13 @@ static INLINE char* base64_encode_ex(const char* WINPR_RESTRICT alphabet,
return ret;
}
static INLINE char* base64_encode(const char* WINPR_RESTRICT alphabet,
static INLINE char* base64_encode(const signed char* WINPR_RESTRICT alphabet,
const BYTE* WINPR_RESTRICT data, size_t length, BOOL pad)
{
return base64_encode_ex(alphabet, data, length, pad, FALSE, 64);
}
static INLINE int base64_decode_char(const char* WINPR_RESTRICT alphabet, char c)
static INLINE int base64_decode_char(const signed char* WINPR_RESTRICT alphabet, char c)
{
if (c <= '\0')
return -1;
@ -405,8 +405,9 @@ static INLINE int base64_decode_char(const char* WINPR_RESTRICT alphabet, char c
return alphabet[c];
}
static INLINE void* base64_decode(const char* WINPR_RESTRICT alphabet, const char* WINPR_RESTRICT s,
size_t length, size_t* WINPR_RESTRICT data_len, BOOL pad)
static INLINE void* base64_decode(const signed char* WINPR_RESTRICT alphabet,
const char* WINPR_RESTRICT s, size_t length,
size_t* WINPR_RESTRICT data_len, BOOL pad)
{
int n[4];
BYTE* q = NULL;