Implement cipher algorithm list and rename some files.

lib/cipher/Makefile.am

@@ -3,6 +3,8 @@ AM_CPPFLAGS = -I$(top_srcdir)/include
 lib_LTLIBRARIES = libcryb-cipher.la
 
 libcryb_cipher_la_SOURCES = \
+	cryb_cipher.c \
+	\
 	cryb_aes.c \
 	cryb_rc4.c
 

lib/cipher/cryb_cipher.c

@@ -0,0 +1,66 @@
+/*-
+ * Copyright (c) 2012 The University of Oslo
+ * Copyright (c) 2015 Dag-Erling Smørgrav
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "cryb/impl.h"
+
+#include <stdint.h>
+#include <string.h>
+
+#include <cryb/cipher.h>
+#include <cryb/aes.h>
+#include <cryb/rc4.h>
+
+static const cipher_algorithm **cryb_cipher_algorithms;
+
+static void
+init_cipher_algorithms(void)
+{
+	static const cipher_algorithm *algorithms[] = {
+		&aes128_cipher,
+		&aes192_cipher,
+		&aes256_cipher,
+		&rc4_cipher,
+		NULL
+	};
+	cryb_cipher_algorithms = algorithms;
+}
+
+const cipher_algorithm *
+get_cipher_algorithm(const char *name)
+{
+	const cipher_algorithm **algp;
+
+	if (cryb_cipher_algorithms == NULL)
+		init_cipher_algorithms();
+	for (algp = cryb_cipher_algorithms; *algp != NULL; ++algp)
+		if (strcasecmp((*algp)->name, name) == 0)
+			return (*algp);
+	return (NULL);
+}

lib/digest/Makefile.am

@@ -3,7 +3,8 @@ AM_CPPFLAGS = -I$(top_srcdir)/include
 lib_LTLIBRARIES = libcryb-digest.la
 
 libcryb_digest_la_SOURCES = \
-	digest.c \
+	cryb_digest.c \
+	\
 	md2.c \
 	md4.c \
 	md5.c \