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Additional length check improvements in Base64_SkipNewline

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This commit is contained in:
Guido Vranken
2021-06-09 19:16:07 +02:00
parent d8cd7cbee1
commit fb366f063e
1 changed files with 10 additions and 2 deletions
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12
wolfcrypt/src/coding.c
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@ -117,10 +117,18 @@ static WC_INLINE int Base64_SkipNewline(const byte* in, word32 *inLen, word32 *o
{ {
word32 len = *inLen; word32 len = *inLen;
word32 j = *outJ; word32 j = *outJ;
byte curChar = in[j]; byte curChar;
if (len == 0) {
return BUFFER_E;
}
curChar = in[j++];
len--;
while (len && curChar == ' ') { while (len && curChar == ' ') {
/* skip whitespace in the middle or end of line */ /* skip whitespace in the middle or end of line */
curChar = in[++j]; curChar = in[j++];
len--; len--;
} }
if (len && (curChar == '\r' || curChar == '\n')) { if (len && (curChar == '\r' || curChar == '\n')) {