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nss/SOURCES/nss-3.90-fips-pkcs11-long-h...

84 lines
2.6 KiB

diff --git a/lib/softoken/pkcs11c.c b/lib/softoken/pkcs11c.c
--- a/lib/softoken/pkcs11c.c
+++ b/lib/softoken/pkcs11c.c
@@ -15,10 +15,13 @@
* keys and their associated Certificates are saved on the token.
*
* In this implementation, session objects are only visible to the session
* that created or generated them.
*/
+
+#include <limits.h> /* for UINT_MAX and ULONG_MAX */
+
#include "seccomon.h"
#include "secitem.h"
#include "secport.h"
#include "blapi.h"
#include "pkcs11.h"
@@ -1954,12 +1957,21 @@
if (pDigest == NULL) {
*pulDigestLen = context->maxLen;
goto finish;
}
- /* do it: */
+#if (ULONG_MAX > UINT_MAX)
+ /* The context->hashUpdate function takes an unsigned int for its data
+ * length argument, but NSC_Digest takes an unsigned long. */
+ while (ulDataLen > UINT_MAX) {
+ (*context->hashUpdate)(context->cipherInfo, pData, UINT_MAX);
+ pData += UINT_MAX;
+ ulDataLen -= UINT_MAX;
+ }
+#endif
(*context->hashUpdate)(context->cipherInfo, pData, ulDataLen);
+
/* NOTE: this assumes buf size is bigenough for the algorithm */
(*context->end)(context->cipherInfo, pDigest, &digestLen, maxout);
*pulDigestLen = digestLen;
sftk_TerminateOp(session, SFTK_HASH, context);
@@ -1980,12 +1992,22 @@
/* make sure we're legal */
crv = sftk_GetContext(hSession, &context, SFTK_HASH, PR_TRUE, NULL);
if (crv != CKR_OK)
return crv;
- /* do it: */
+
+#if (ULONG_MAX > UINT_MAX)
+ /* The context->hashUpdate function takes an unsigned int for its data
+ * length argument, but NSC_DigestUpdate takes an unsigned long. */
+ while (ulPartLen > UINT_MAX) {
+ (*context->hashUpdate)(context->cipherInfo, pPart, UINT_MAX);
+ pPart += UINT_MAX;
+ ulPartLen -= UINT_MAX;
+ }
+#endif
(*context->hashUpdate)(context->cipherInfo, pPart, ulPartLen);
+
return CKR_OK;
}
/* NSC_DigestFinal finishes a multiple-part message-digesting operation. */
CK_RV
@@ -3166,10 +3188,17 @@
crv = sftk_GetContext(hSession, &context, type, PR_TRUE, &session);
if (crv != CKR_OK)
return crv;
if (context->hashInfo) {
+#if (ULONG_MAX > UINT_MAX)
+ while (ulPartLen > UINT_MAX) {
+ (*context->hashUpdate)(context->cipherInfo, pPart, UINT_MAX);
+ pPart += UINT_MAX;
+ ulPartLen -= UINT_MAX;
+ }
+#endif
(*context->hashUpdate)(context->hashInfo, pPart, ulPartLen);
} else {
/* must be block cipher MACing */
unsigned int blkSize = context->blockSize;