make reinitialisation work for CMAC
authorDr. Stephen Henson <steve@openssl.org>
Wed, 11 Apr 2012 12:26:41 +0000 (12:26 +0000)
committerDr. Stephen Henson <steve@openssl.org>
Wed, 11 Apr 2012 12:26:41 +0000 (12:26 +0000)
crypto/cmac/cmac.c

index 064b67d..88a323d 100644 (file)
@@ -151,6 +151,8 @@ int CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen,
                        return 0;
                if (!M_EVP_EncryptInit_ex(&ctx->cctx, NULL, NULL, NULL, zero_iv))
                        return 0;
+               memset(ctx->tbl, 0, bl);
+               ctx->nlast_block = 0;
                return 1;
                }
        /* Initialiase context */