VeraCrypt
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-rw-r--r--src/Common/Pkcs5.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/Common/Pkcs5.c b/src/Common/Pkcs5.c
index 753c49b..1da5e23 100644
--- a/src/Common/Pkcs5.c
+++ b/src/Common/Pkcs5.c
@@ -1209,4 +1209,29 @@ int get_pkcs5_iteration_count (int pkcs5_prf_id, int pim, BOOL truecryptMode, BO
return 0;
}
+int is_pkcs5_prf_supported (int pkcs5_prf_id, BOOL truecryptMode, PRF_BOOT_TYPE bootType)
+{
+ if (pkcs5_prf_id == 0) // auto-detection always supported
+ return 1;
+
+ if (truecryptMode)
+ {
+ if ( (bootType == PRF_BOOT_GPT)
+ || (bootType == PRF_BOOT_MBR && pkcs5_prf_id != RIPEMD160)
+ || (bootType == PRF_BOOT_NO && pkcs5_prf_id != SHA512 && pkcs5_prf_id != WHIRLPOOL && pkcs5_prf_id != RIPEMD160)
+ )
+ return 0;
+ }
+ else
+ {
+ if ( (bootType == PRF_BOOT_MBR && pkcs5_prf_id != RIPEMD160 && pkcs5_prf_id != SHA256)
+ || (bootType != PRF_BOOT_MBR && (pkcs5_prf_id < FIRST_PRF_ID || pkcs5_prf_id > LAST_PRF_ID))
+ )
+ return 0;
+ }
+
+ return 1;
+
+}
+
#endif //!TC_WINDOWS_BOOT