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don't allow inplace DerToPem, not supported

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toddouska
2013-11-20 13:17:39 -08:00
parent 7585e92fee
commit c545202de0
1 changed files with 5 additions and 0 deletions
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5
ctaocrypt/src/asn.c
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@ -3548,6 +3548,8 @@ static int SetMyVersion(word32 version, byte* output, int header)
} }
/* convert der buffer to pem into output, can't do inplace, der and output
need to be different */
int DerToPem(const byte* der, word32 derSz, byte* output, word32 outSz, int DerToPem(const byte* der, word32 derSz, byte* output, word32 outSz,
int type) int type)
{ {
@ -3560,6 +3562,9 @@ int DerToPem(const byte* der, word32 derSz, byte* output, word32 outSz,
int err; int err;
int outLen; /* return length or error */ int outLen; /* return length or error */
if (der == output) /* no in place conversion */
return BAD_FUNC_ARG;
if (type == CERT_TYPE) { if (type == CERT_TYPE) {
XSTRNCPY(header, "-----BEGIN CERTIFICATE-----\n", sizeof(header)); XSTRNCPY(header, "-----BEGIN CERTIFICATE-----\n", sizeof(header));
XSTRNCPY(footer, "-----END CERTIFICATE-----\n", sizeof(footer)); XSTRNCPY(footer, "-----END CERTIFICATE-----\n", sizeof(footer));