From 510ca0e0dfc88acda8b86bfbfe44f4eec2e1b7d6 Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Sat, 15 Jun 2024 20:31:37 +0200
Subject: Add SHA-1, SHA-224, SHA-256, SHA-384, and SHA-512 functions to
 interface

---
 include/Makefile.am                 |  3 +-
 include/libimobiledevice-glue/sha.h | 86 +++++++++++++++++++++++++++++++++++++
 2 files changed, 88 insertions(+), 1 deletion(-)
 create mode 100644 include/libimobiledevice-glue/sha.h

(limited to 'include')

diff --git a/include/Makefile.am b/include/Makefile.am
index 7aca2a0..624814e 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -11,4 +11,5 @@ nobase_include_HEADERS = \
 	libimobiledevice-glue/termcolors.h \
 	libimobiledevice-glue/cbuf.h \
 	libimobiledevice-glue/opack.h \
-	libimobiledevice-glue/tlv.h
+	libimobiledevice-glue/tlv.h \
+	libimobiledevice-glue/sha.h
diff --git a/include/libimobiledevice-glue/sha.h b/include/libimobiledevice-glue/sha.h
new file mode 100644
index 0000000..3a00578
--- /dev/null
+++ b/include/libimobiledevice-glue/sha.h
@@ -0,0 +1,86 @@
+#ifndef __SHA_H
+#define __SHA_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <libimobiledevice-glue/glue.h>
+
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+
+/* SHA-1 */
+typedef struct sha1_context_ {
+    uint64_t length;
+    uint32_t state[5];
+    size_t curlen;
+    unsigned char buf[64];
+} sha1_context;
+
+#define SHA1_DIGEST_LENGTH 20
+
+LIMD_GLUE_API int sha1_init(sha1_context * md);
+LIMD_GLUE_API int sha1_final(sha1_context * md, unsigned char *out);
+LIMD_GLUE_API int sha1_update(sha1_context * md, const void *data, size_t inlen);
+LIMD_GLUE_API int sha1(const unsigned char *message, size_t message_len, unsigned char *out);
+
+/* SHA-256 */
+typedef struct sha256_context_ {
+    uint64_t length;
+    uint32_t state[8];
+    size_t curlen;
+    unsigned char buf[64];
+    int num_dwords;
+} sha256_context;
+
+#define SHA256_DIGEST_LENGTH 32
+
+LIMD_GLUE_API int sha256_init(sha256_context * md);
+LIMD_GLUE_API int sha256_final(sha256_context * md, unsigned char *out);
+LIMD_GLUE_API int sha256_update(sha256_context * md, const void *data, size_t inlen);
+LIMD_GLUE_API int sha256(const unsigned char *message, size_t message_len, unsigned char *out);
+
+/* SHA-224 */
+#define sha224_context sha256_context
+
+#define SHA224_DIGEST_LENGTH 28
+
+LIMD_GLUE_API int sha224_init(sha224_context * md);
+LIMD_GLUE_API int sha224_final(sha224_context * md, unsigned char *out);
+LIMD_GLUE_API int sha224_update(sha224_context * md, const void *data, size_t inlen);
+LIMD_GLUE_API int sha224(const unsigned char *message, size_t message_len, unsigned char *out);
+
+/* SHA-512 */
+typedef struct sha512_context_ {
+    uint64_t length, state[8];
+    size_t curlen;
+    unsigned char buf[128];
+    int num_qwords;
+} sha512_context;
+
+#define SHA512_DIGEST_LENGTH 64
+
+LIMD_GLUE_API int sha512_init(sha512_context * md);
+LIMD_GLUE_API int sha512_final(sha512_context * md, unsigned char *out);
+LIMD_GLUE_API int sha512_update(sha512_context * md, const void *data, size_t inlen);
+LIMD_GLUE_API int sha512(const unsigned char *message, size_t message_len, unsigned char *out);
+
+/* SHA-384 */
+#define sha384_context sha512_context
+
+#define SHA384_DIGEST_LENGTH 48
+
+LIMD_GLUE_API int sha384_init(sha384_context * md);
+LIMD_GLUE_API int sha384_final(sha384_context * md, unsigned char *out);
+LIMD_GLUE_API int sha384_update(sha384_context * md, const void *data, size_t inlen);
+LIMD_GLUE_API int sha384(const unsigned char *message, size_t message_len, unsigned char *out);
+
+#endif
-- 
cgit v1.1-32-gdbae