Add SHA-1, SHA-224, SHA-256, SHA-384, and SHA-512 functions to interface

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

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, [email protected], 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

src/Makefile.am

@@ -18,6 +18,10 @@ libimobiledevice_glue_1_0_la_SOURCES =	\
 	cbuf.c          \
 	opack.c         \
 	tlv.c           \
+	sha1.c          \
+	sha256.c        \
+	sha512.c        \
+	fixedint.h      \
 	common.h
 
 if WIN32

src/fixedint.h

@@ -0,0 +1,72 @@
+/*
+    Portable header to provide the 32 and 64 bits type.
+
+    Not a compatible replacement for <stdint.h>, do not blindly use it as such.
+*/
+
+#if ((defined(__STDC__) && __STDC__ && __STDC_VERSION__ >= 199901L) || (defined(__WATCOMC__) && (defined(_STDINT_H_INCLUDED) || __WATCOMC__ >= 1250)) || (defined(__GNUC__) && (defined(_STDINT_H) || defined(_STDINT_H_) || defined(__UINT_FAST64_TYPE__)) )) && !defined(FIXEDINT_H_INCLUDED)
+    #include <stdint.h>
+    #define FIXEDINT_H_INCLUDED
+
+    #if defined(__WATCOMC__) && __WATCOMC__ >= 1250 && !defined(UINT64_C)
+        #include <limits.h>
+        #define UINT64_C(x) (x + (UINT64_MAX - UINT64_MAX))
+    #endif
+#endif
+
+
+#ifndef FIXEDINT_H_INCLUDED
+    #define FIXEDINT_H_INCLUDED
+
+    #include <limits.h>
+
+    /* (u)int32_t */
+    #ifndef uint32_t
+        #if (ULONG_MAX == 0xffffffffUL)
+            typedef unsigned long uint32_t;
+        #elif (UINT_MAX == 0xffffffffUL)
+            typedef unsigned int uint32_t;
+        #elif (USHRT_MAX == 0xffffffffUL)
+            typedef unsigned short uint32_t;
+        #endif
+    #endif
+
+
+    #ifndef int32_t
+        #if (LONG_MAX == 0x7fffffffL)
+            typedef signed long int32_t;
+        #elif (INT_MAX == 0x7fffffffL)
+            typedef signed int int32_t;
+        #elif (SHRT_MAX == 0x7fffffffL)
+            typedef signed short int32_t;
+        #endif
+    #endif
+
+
+    /* (u)int64_t */
+    #if (defined(__STDC__) && defined(__STDC_VERSION__) && __STDC__ && __STDC_VERSION__ >= 199901L)
+        typedef long long int64_t;
+        typedef unsigned long long uint64_t;
+
+        #define UINT64_C(v) v ##ULL
+        #define INT64_C(v) v ##LL
+    #elif defined(__GNUC__)
+        __extension__ typedef long long int64_t;
+        __extension__ typedef unsigned long long uint64_t;
+
+        #define UINT64_C(v) v ##ULL
+        #define INT64_C(v) v ##LL
+    #elif defined(__MWERKS__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__APPLE_CC__) || defined(_LONG_LONG) || defined(_CRAYC)
+        typedef long long int64_t;
+        typedef unsigned long long uint64_t;
+
+        #define UINT64_C(v) v ##ULL
+        #define INT64_C(v) v ##LL
+    #elif (defined(__WATCOMC__) && defined(__WATCOM_INT64__)) || (defined(_MSC_VER) && _INTEGRAL_MAX_BITS >= 64) || (defined(__BORLANDC__) && __BORLANDC__ > 0x460) || defined(__alpha) || defined(__DECC)
+        typedef __int64 int64_t;
+        typedef unsigned __int64 uint64_t;
+
+        #define UINT64_C(v) v ##UI64
+        #define INT64_C(v) v ##I64
+    #endif
+#endif