Changeset 102335 in vbox for trunk/src/VBox/Runtime/common/crypto

Timestamp:

Nov 27, 2023 5:01:59 PM (17 months ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

160471

Message:

IPRT/crypto/shacrypt: Added RTCrShaCryptGenerateSalt() to avoid code duplication. bugref:10551

File:

• trunk/src/VBox/Runtime/common/crypto/shacrypt.cpp (modified) (1 diff)

trunk/src/VBox/Runtime/common/crypto/shacrypt.cpp

@@ -43 +43 @@
 #include <iprt/types.h>
 #include <iprt/mem.h>
+#include <iprt/rand.h>
 #include <iprt/sha.h>
 #include <iprt/string.h>
 
+
+
+RTR3DECL(int) RTCrShaCryptGenerateSalt(char szSalt[RT_SHACRYPT_MAX_SALT_LEN + 1], size_t cchSalt)
+{
+    AssertMsgReturn(cchSalt >= RT_SHACRYPT_MIN_SALT_LEN && cchSalt <= RT_SHACRYPT_MAX_SALT_LEN, ("len=%zu\n", cchSalt),
+                    VERR_INVALID_PARAMETER);
+
+    static const char aRange[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890./";
+    for (size_t i = 0; i < cchSalt; i++)
+        szSalt[i] = aRange[RTRandU32Ex(0, sizeof(aRange) - 2)];
+
+    szSalt[RT_SHACRYPT_MAX_SALT_LEN] = '\0';
+    return VINF_SUCCESS;
+}