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unfortunately, the SDR key keeps the value of CK_KEY_TYPE in the coefficient field of an RSA key. This means some format is lost through the ASN.1 encoder/decoer. Trying again to account for that without affecting normal key type attributes.

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ian.mcgreer%sun.com 2002-01-16 16:02:51 +00:00
parent 7c5300c6ef
commit b2373e435c
1 changed files with 18 additions and 7 deletions
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25
security/nss/lib/softoken/pkcs11c.c
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@ -388,9 +388,7 @@ pk11_InitGeneric(PK11Session *session,PK11SessionContext **contextPtr,
/* find the key */
if (keyPtr) {
CK_KEY_TYPE kt;
unsigned int size;
int i;
key = pk11_ObjectFromHandle(hKey,session);
if (key == NULL) {
return CKR_KEY_HANDLE_INVALID;
@ -406,15 +404,28 @@ pk11_InitGeneric(PK11Session *session,PK11SessionContext **contextPtr,
att = pk11_FindAttribute(key,CKA_KEY_TYPE);
PORT_Assert(att != NULL);
size = sizeof(CK_KEY_TYPE);
kt = 0;
for (i=att->attrib.ulValueLen-1; i>=0; i--) {
if (att->attrib.ulValueLen < size) {
CK_KEY_TYPE kt;
int i;
int shift;
#ifdef IS_LITTLE_ENDIAN
kt |= ((unsigned char *)att->attrib.pValue)[i] << (i*8);
shift = 0;
#else
kt |= ((unsigned char *)att->attrib.pValue)[i] << ((size-1-i)*8);
shift = (att->attrib.ulValueLen - 1) * 8;
#endif
kt = 0;
for (i=att->attrib.ulValueLen - 1; i>=0; i--) {
kt |= ((unsigned char *)att->attrib.pValue)[i] << shift;
#ifdef IS_LITTLE_ENDIAN
shift += 8;
#else
shift -= 8;
#endif
}
*keyTypePtr = kt;
} else {
*keyTypePtr = *((CK_KEY_TYPE *)att->attrib.pValue);
}
*keyTypePtr = kt;
pk11_FreeAttribute(att);
*keyPtr = key;
}