feat(libft_ssl): declare algo interfaces and scaffold per-function stubs

include/md5.h

@@ -1,6 +1,7 @@
 #ifndef MD5_H
 #define MD5_H
 
+#include <stddef.h>
 #include <stdint.h>
 
 struct md5_ctx
@@ -10,4 +11,15 @@ struct md5_ctx
 	uint8_t		buf[64];
 };
 
+void	md5_init(void *ctx);
+void	md5_update(void *ctx, const uint8_t *data, size_t len);
+void	md5_final(void *ctx, uint8_t *out);
+
+/* RFC 1321 — per-step sine-derived constants (64 values) */
+extern const uint32_t	g_md5_T[64];
+
+/* RFC 1321 — per-step left-rotation amounts (4 rounds x 4 values, each
+ * repeated 4 times) */
+extern const uint32_t	g_md5_s[64];
+
 #endif

include/sha256.h

@@ -1,6 +1,7 @@
 #ifndef SHA256_H
 #define SHA256_H
 
+#include <stddef.h>
 #include <stdint.h>
 
 struct sha256_ctx
@@ -10,4 +11,8 @@ struct sha256_ctx
 	uint8_t		buf[64];
 };
 
+void	sha256_init(void *ctx);
+void	sha256_update(void *ctx, const uint8_t *data, size_t len);
+void	sha256_final(void *ctx, uint8_t *out);
+
 #endif

src/Makefile.am

@@ -1,6 +1,13 @@
 lib_LTLIBRARIES				= libft_ssl.la
 
-libft_ssl_la_SOURCES		= libft_ssl.c
+libft_ssl_la_SOURCES		= libft_ssl.c \
+							  md5/md5.c \
+							  md5/md5_init.c \
+							  md5/md5_update.c \
+							  md5/md5_final.c \
+							  sha256/sha256_init.c \
+							  sha256/sha256_update.c \
+							  sha256/sha256_final.c
 
 AM_CFLAGS					= -std=c99 $(STRICT_CFLAGS)
 libft_ssl_la_CPPFLAGS		= -I$(top_srcdir)/include

src/libft_ssl.c

@@ -1,16 +1,5 @@
-#include "compiler.h"
 #include "libft_ssl.h"
 
-#define DIGEST_ALGO(lower, ds, bs)				\
-static void	lower##_init(__unused void *ctx) {}	\
-static void	lower##_update(__unused void *ctx,	\
-		__unused const uint8_t *data,			\
-		__unused size_t len) {}					\
-static void	lower##_final(__unused void *ctx,	\
-		__unused uint8_t *out) {}
-#include "digest_algos.h"
-#undef DIGEST_ALGO
-
 #define DIGEST_ALGO(lower, ds, bs)				\
 const struct digest_algo	g_##lower = {		\
 	.name			= #lower,					\

src/md5/md5.c

@@ -0,0 +1,33 @@
+#include "md5.h"
+
+/* Each round uses 4 rotation values, repeated 4 times across 16 steps */
+#define S_ROUND(a, b, c, d)  (a), (b), (c), (d), (a), (b), (c), (d), \
+                             (a), (b), (c), (d), (a), (b), (c), (d)
+
+const uint32_t	g_md5_s[64] = {
+	S_ROUND( 7, 12, 17, 22),
+	S_ROUND( 5,  9, 14, 20),
+	S_ROUND( 4, 11, 16, 23),
+	S_ROUND( 6, 10, 15, 21),
+};
+
+#undef S_ROUND
+
+const uint32_t	g_md5_T[64] = {
+	0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
+	0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
+	0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
+	0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
+	0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
+	0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
+	0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
+	0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
+	0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
+	0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
+	0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
+	0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
+	0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
+	0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
+	0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
+	0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391,
+};

src/md5/md5_final.c

@@ -0,0 +1,6 @@
+#include "compiler.h"
+#include "md5.h"
+
+void	md5_final(__unused void *ctx, __unused uint8_t *out)
+{
+}

src/md5/md5_init.c

@@ -0,0 +1,6 @@
+#include "compiler.h"
+#include "md5.h"
+
+void	md5_init(__unused void *ctx)
+{
+}

src/md5/md5_update.c

@@ -0,0 +1,7 @@
+#include "compiler.h"
+#include "md5.h"
+
+void	md5_update(__unused void *ctx, __unused const uint8_t *data,
+		__unused size_t len)
+{
+}

src/sha256/sha256_final.c

@@ -0,0 +1,6 @@
+#include "compiler.h"
+#include "sha256.h"
+
+void	sha256_final(__unused void *ctx, __unused uint8_t *out)
+{
+}

src/sha256/sha256_init.c

@@ -0,0 +1,6 @@
+#include "compiler.h"
+#include "sha256.h"
+
+void	sha256_init(__unused void *ctx)
+{
+}

src/sha256/sha256_update.c

@@ -0,0 +1,7 @@
+#include "compiler.h"
+#include "sha256.h"
+
+void	sha256_update(__unused void *ctx, __unused const uint8_t *data,
+		__unused size_t len)
+{
+}