Skip TCRYPT KDF if hash is not available.

[platform/upstream/cryptsetup.git] / lib / tcrypt / tcrypt.c

diff --git a/lib/tcrypt/tcrypt.c b/lib/tcrypt/tcrypt.c
index 11b712f..7ff590a 100644 (file)
--- a/lib/tcrypt/tcrypt.c
+++ b/lib/tcrypt/tcrypt.c
@@ -508,6 +508,11 @@ static int TCRYPT_init_hdr(struct crypt_device *cd,
                                hdr->salt, TCRYPT_HDR_SALT_LEN,
                                key, TCRYPT_HDR_KEY_LEN,
                                tcrypt_kdf[i].iterations);
+               if (r < 0 && crypt_hash_size(tcrypt_kdf[i].hash) < 0) {
+                       log_verbose(cd, _("PBKDF2 hash algorithm %s not available, skipping.\n"),
+                                     tcrypt_kdf[i].hash);
+                       continue;
+               }
                if (r < 0)
                        break;