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authorGravatar Nikias Bassen2021-05-28 03:02:23 +0200
committerGravatar Nikias Bassen2021-05-28 03:02:23 +0200
commite18af8e80d71bd0f87915e64be66071d0379be38 (patch)
tree8ca2bf2282293547d1fe7f40410589c353b3de1a /src
parentab6592861713fcae4d3c3d831ae75394e6262582 (diff)
downloadidevicerestore-e18af8e80d71bd0f87915e64be66071d0379be38.tar.gz
idevicerestore-e18af8e80d71bd0f87915e64be66071d0379be38.tar.bz2
Add SHA384 (and SHA512) implementation for use when compiling without OpenSSL
Diffstat (limited to 'src')
-rw-r--r--src/Makefile.am4
-rw-r--r--src/fixedint.h72
-rw-r--r--src/idevicerestore.c7
-rw-r--r--src/idevicerestore.h1
-rw-r--r--src/sha512.c314
-rw-r--r--src/sha512.h32
6 files changed, 427 insertions, 3 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index ace33d4..0cfae21 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -48,8 +48,8 @@ idevicerestore_SOURCES = \
thread.c thread.h \
jsmn.c jsmn.h \
json_plist.c json_plist.h
-if USE_INTERNAL_SHA1
-idevicerestore_SOURCES += sha1.c sha1.h
+if USE_INTERNAL_SHA
+idevicerestore_SOURCES += sha1.c sha1.h sha512.c sha512.h fixedint.h
endif
idevicerestore_CFLAGS = $(AM_CFLAGS)
idevicerestore_LDFLAGS = $(AM_LDFLAGS)
diff --git a/src/fixedint.h b/src/fixedint.h
new file mode 100644
index 0000000..1a8745b
--- /dev/null
+++ b/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
diff --git a/src/idevicerestore.c b/src/idevicerestore.c
index b5b7cef..b0a89a3 100644
--- a/src/idevicerestore.c
+++ b/src/idevicerestore.c
@@ -38,6 +38,13 @@
#include <curl/curl.h>
+#ifdef HAVE_OPENSSL
+#include <openssl/sha.h>
+#else
+#include "sha512.h"
+#define SHA384 sha384
+#endif
+
#include "dfu.h"
#include "tss.h"
#include "img3.h"
diff --git a/src/idevicerestore.h b/src/idevicerestore.h
index c9271a8..e7690c2 100644
--- a/src/idevicerestore.h
+++ b/src/idevicerestore.h
@@ -32,7 +32,6 @@ extern "C" {
#include <stdint.h>
#include <plist/plist.h>
#include <libirecovery.h>
-#include <openssl/sha.h>
// the flag with value 1 is reserved for internal use only. don't use it.
#define FLAG_DEBUG (1 << 1)
diff --git a/src/sha512.c b/src/sha512.c
new file mode 100644
index 0000000..8f7c59d
--- /dev/null
+++ b/src/sha512.c
@@ -0,0 +1,314 @@
+/* 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
+ */
+
+#include "fixedint.h"
+#include "sha512.h"
+
+/* the K array */
+static const uint64_t K[80] = {
+ UINT64_C(0x428a2f98d728ae22), UINT64_C(0x7137449123ef65cd),
+ UINT64_C(0xb5c0fbcfec4d3b2f), UINT64_C(0xe9b5dba58189dbbc),
+ UINT64_C(0x3956c25bf348b538), UINT64_C(0x59f111f1b605d019),
+ UINT64_C(0x923f82a4af194f9b), UINT64_C(0xab1c5ed5da6d8118),
+ UINT64_C(0xd807aa98a3030242), UINT64_C(0x12835b0145706fbe),
+ UINT64_C(0x243185be4ee4b28c), UINT64_C(0x550c7dc3d5ffb4e2),
+ UINT64_C(0x72be5d74f27b896f), UINT64_C(0x80deb1fe3b1696b1),
+ UINT64_C(0x9bdc06a725c71235), UINT64_C(0xc19bf174cf692694),
+ UINT64_C(0xe49b69c19ef14ad2), UINT64_C(0xefbe4786384f25e3),
+ UINT64_C(0x0fc19dc68b8cd5b5), UINT64_C(0x240ca1cc77ac9c65),
+ UINT64_C(0x2de92c6f592b0275), UINT64_C(0x4a7484aa6ea6e483),
+ UINT64_C(0x5cb0a9dcbd41fbd4), UINT64_C(0x76f988da831153b5),
+ UINT64_C(0x983e5152ee66dfab), UINT64_C(0xa831c66d2db43210),
+ UINT64_C(0xb00327c898fb213f), UINT64_C(0xbf597fc7beef0ee4),
+ UINT64_C(0xc6e00bf33da88fc2), UINT64_C(0xd5a79147930aa725),
+ UINT64_C(0x06ca6351e003826f), UINT64_C(0x142929670a0e6e70),
+ UINT64_C(0x27b70a8546d22ffc), UINT64_C(0x2e1b21385c26c926),
+ UINT64_C(0x4d2c6dfc5ac42aed), UINT64_C(0x53380d139d95b3df),
+ UINT64_C(0x650a73548baf63de), UINT64_C(0x766a0abb3c77b2a8),
+ UINT64_C(0x81c2c92e47edaee6), UINT64_C(0x92722c851482353b),
+ UINT64_C(0xa2bfe8a14cf10364), UINT64_C(0xa81a664bbc423001),
+ UINT64_C(0xc24b8b70d0f89791), UINT64_C(0xc76c51a30654be30),
+ UINT64_C(0xd192e819d6ef5218), UINT64_C(0xd69906245565a910),
+ UINT64_C(0xf40e35855771202a), UINT64_C(0x106aa07032bbd1b8),
+ UINT64_C(0x19a4c116b8d2d0c8), UINT64_C(0x1e376c085141ab53),
+ UINT64_C(0x2748774cdf8eeb99), UINT64_C(0x34b0bcb5e19b48a8),
+ UINT64_C(0x391c0cb3c5c95a63), UINT64_C(0x4ed8aa4ae3418acb),
+ UINT64_C(0x5b9cca4f7763e373), UINT64_C(0x682e6ff3d6b2b8a3),
+ UINT64_C(0x748f82ee5defb2fc), UINT64_C(0x78a5636f43172f60),
+ UINT64_C(0x84c87814a1f0ab72), UINT64_C(0x8cc702081a6439ec),
+ UINT64_C(0x90befffa23631e28), UINT64_C(0xa4506cebde82bde9),
+ UINT64_C(0xbef9a3f7b2c67915), UINT64_C(0xc67178f2e372532b),
+ UINT64_C(0xca273eceea26619c), UINT64_C(0xd186b8c721c0c207),
+ UINT64_C(0xeada7dd6cde0eb1e), UINT64_C(0xf57d4f7fee6ed178),
+ UINT64_C(0x06f067aa72176fba), UINT64_C(0x0a637dc5a2c898a6),
+ UINT64_C(0x113f9804bef90dae), UINT64_C(0x1b710b35131c471b),
+ UINT64_C(0x28db77f523047d84), UINT64_C(0x32caab7b40c72493),
+ UINT64_C(0x3c9ebe0a15c9bebc), UINT64_C(0x431d67c49c100d4c),
+ UINT64_C(0x4cc5d4becb3e42b6), UINT64_C(0x597f299cfc657e2a),
+ UINT64_C(0x5fcb6fab3ad6faec), UINT64_C(0x6c44198c4a475817)
+};
+
+/* Various logical functions */
+
+#define ROR64c(x, y) \
+ ( ((((x)&UINT64_C(0xFFFFFFFFFFFFFFFF))>>((uint64_t)(y)&UINT64_C(63))) | \
+ ((x)<<((uint64_t)(64-((y)&UINT64_C(63)))))) & UINT64_C(0xFFFFFFFFFFFFFFFF))
+
+#define STORE64H(x, y) \
+ { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \
+ (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \
+ (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \
+ (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }
+
+#define LOAD64H(x, y) \
+ { x = (((uint64_t)((y)[0] & 255))<<56)|(((uint64_t)((y)[1] & 255))<<48) | \
+ (((uint64_t)((y)[2] & 255))<<40)|(((uint64_t)((y)[3] & 255))<<32) | \
+ (((uint64_t)((y)[4] & 255))<<24)|(((uint64_t)((y)[5] & 255))<<16) | \
+ (((uint64_t)((y)[6] & 255))<<8)|(((uint64_t)((y)[7] & 255))); }
+
+
+#define Ch(x,y,z) (z ^ (x & (y ^ z)))
+#define Maj(x,y,z) (((x | y) & z) | (x & y))
+#define S(x, n) ROR64c(x, n)
+#define R(x, n) (((x) &UINT64_C(0xFFFFFFFFFFFFFFFF))>>((uint64_t)n))
+#define Sigma0(x) (S(x, 28) ^ S(x, 34) ^ S(x, 39))
+#define Sigma1(x) (S(x, 14) ^ S(x, 18) ^ S(x, 41))
+#define Gamma0(x) (S(x, 1) ^ S(x, 8) ^ R(x, 7))
+#define Gamma1(x) (S(x, 19) ^ S(x, 61) ^ R(x, 6))
+#ifndef MIN
+ #define MIN(x, y) ( ((x)<(y))?(x):(y) )
+#endif
+
+/* compress 1024-bits */
+static int sha512_compress(sha512_context *md, unsigned char *buf)
+{
+ uint64_t S[8], W[80], t0, t1;
+ int i;
+
+ /* copy state into S */
+ for (i = 0; i < 8; i++) {
+ S[i] = md->state[i];
+ }
+
+ /* copy the state into 1024-bits into W[0..15] */
+ for (i = 0; i < 16; i++) {
+ LOAD64H(W[i], buf + (8*i));
+ }
+
+ /* fill W[16..79] */
+ for (i = 16; i < 80; i++) {
+ W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16];
+ }
+
+/* Compress */
+ #define RND(a,b,c,d,e,f,g,h,i) \
+ t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \
+ t1 = Sigma0(a) + Maj(a, b, c);\
+ d += t0; \
+ h = t0 + t1;
+
+ for (i = 0; i < 80; i += 8) {
+ RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],i+0);
+ RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],i+1);
+ RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],i+2);
+ RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],i+3);
+ RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],i+4);
+ RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],i+5);
+ RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],i+6);
+ RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],i+7);
+ }
+
+ #undef RND
+
+
+
+ /* feedback */
+ for (i = 0; i < 8; i++) {
+ md->state[i] = md->state[i] + S[i];
+ }
+
+ return 0;
+}
+
+
+/**
+ Initialize the hash state
+ @param md The hash state you wish to initialize
+ @return 0 if successful
+*/
+int sha512_init(sha512_context * md) {
+ if (md == NULL) return 1;
+
+ md->curlen = 0;
+ md->length = 0;
+ md->state[0] = UINT64_C(0x6a09e667f3bcc908);
+ md->state[1] = UINT64_C(0xbb67ae8584caa73b);
+ md->state[2] = UINT64_C(0x3c6ef372fe94f82b);
+ md->state[3] = UINT64_C(0xa54ff53a5f1d36f1);
+ md->state[4] = UINT64_C(0x510e527fade682d1);
+ md->state[5] = UINT64_C(0x9b05688c2b3e6c1f);
+ md->state[6] = UINT64_C(0x1f83d9abfb41bd6b);
+ md->state[7] = UINT64_C(0x5be0cd19137e2179);
+ md->num_qwords = 8;
+
+ return 0;
+}
+
+/**
+ Process a block of memory though the hash
+ @param md The hash state
+ @param in The data to hash
+ @param inlen The length of the data (octets)
+ @return 0 if successful
+*/
+int sha512_update (sha512_context * md, const unsigned char *in, size_t inlen)
+{
+ size_t n;
+ size_t i;
+ int err;
+ if (md == NULL) return 1;
+ if (in == NULL) return 1;
+ if (md->curlen > sizeof(md->buf)) {
+ return 1;
+ }
+ while (inlen > 0) {
+ if (md->curlen == 0 && inlen >= 128) {
+ if ((err = sha512_compress (md, (unsigned char *)in)) != 0) {
+ return err;
+ }
+ md->length += 128 * 8;
+ in += 128;
+ inlen -= 128;
+ } else {
+ n = MIN(inlen, (128 - md->curlen));
+
+ for (i = 0; i < n; i++) {
+ md->buf[i + md->curlen] = in[i];
+ }
+
+
+ md->curlen += n;
+ in += n;
+ inlen -= n;
+ if (md->curlen == 128) {
+ if ((err = sha512_compress (md, md->buf)) != 0) {
+ return err;
+ }
+ md->length += 8*128;
+ md->curlen = 0;
+ }
+ }
+ }
+ return 0;
+}
+
+/**
+ Terminate the hash to get the digest
+ @param md The hash state
+ @param out [out] The destination of the hash (64 bytes)
+ @return 0 if successful
+*/
+int sha512_final(sha512_context * md, unsigned char *out)
+{
+ int i;
+
+ if (md == NULL) return 1;
+ if (out == NULL) return 1;
+
+ if (md->curlen >= sizeof(md->buf)) {
+ return 1;
+ }
+
+ /* increase the length of the message */
+ md->length += md->curlen * UINT64_C(8);
+
+ /* append the '1' bit */
+ md->buf[md->curlen++] = (unsigned char)0x80;
+
+ /* if the length is currently above 112 bytes we append zeros
+ * then compress. Then we can fall back to padding zeros and length
+ * encoding like normal.
+ */
+ if (md->curlen > 112) {
+ while (md->curlen < 128) {
+ md->buf[md->curlen++] = (unsigned char)0;
+ }
+ sha512_compress(md, md->buf);
+ md->curlen = 0;
+ }
+
+ /* pad upto 120 bytes of zeroes
+ * note: that from 112 to 120 is the 64 MSB of the length. We assume that you won't hash
+ * > 2^64 bits of data... :-)
+ */
+ while (md->curlen < 120) {
+ md->buf[md->curlen++] = (unsigned char)0;
+ }
+
+ /* store length */
+ STORE64H(md->length, md->buf+120);
+ sha512_compress(md, md->buf);
+
+ /* copy output */
+ for (i = 0; i < md->num_qwords; i++) {
+ STORE64H(md->state[i], out+(8*i));
+ }
+
+ return 0;
+}
+
+int sha512(const unsigned char *message, size_t message_len, unsigned char *out)
+{
+ sha512_context ctx;
+ int ret;
+ if ((ret = sha512_init(&ctx))) return ret;
+ if ((ret = sha512_update(&ctx, message, message_len))) return ret;
+ if ((ret = sha512_final(&ctx, out))) return ret;
+ return 0;
+}
+
+int sha384_init(sha384_context * md) {
+ if (md == NULL) return 1;
+
+ md->curlen = 0;
+ md->length = 0;
+ md->state[0] = UINT64_C(0xcbbb9d5dc1059ed8);
+ md->state[1] = UINT64_C(0x629a292a367cd507);
+ md->state[2] = UINT64_C(0x9159015a3070dd17);
+ md->state[3] = UINT64_C(0x152fecd8f70e5939);
+ md->state[4] = UINT64_C(0x67332667ffc00b31);
+ md->state[5] = UINT64_C(0x8eb44a8768581511);
+ md->state[6] = UINT64_C(0xdb0c2e0d64f98fa7);
+ md->state[7] = UINT64_C(0x47b5481dbefa4fa4);
+ md->num_qwords = 6;
+
+ return 0;
+}
+
+int sha384_final(sha384_context * md, unsigned char* out)
+{
+ return sha512_final(md, out);
+}
+
+int sha384_update(sha384_context * md, const unsigned char *in, size_t inlen)
+{
+ return sha512_update(md, in, inlen);
+}
+
+int sha384(const unsigned char *message, size_t message_len, unsigned char *out)
+{
+ sha384_context ctx;
+ int ret;
+ if ((ret = sha384_init(&ctx))) return ret;
+ if ((ret = sha384_update(&ctx, message, message_len))) return ret;
+ if ((ret = sha384_final(&ctx, out))) return ret;
+ return 0;
+}
diff --git a/src/sha512.h b/src/sha512.h
new file mode 100644
index 0000000..72db47b
--- /dev/null
+++ b/src/sha512.h
@@ -0,0 +1,32 @@
+#ifndef SHA512_H
+#define SHA512_H
+
+#include <stddef.h>
+
+#include "fixedint.h"
+
+/* state */
+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
+
+int sha512_init(sha512_context * md);
+int sha512_final(sha512_context * md, unsigned char *out);
+int sha512_update(sha512_context * md, const unsigned char *in, size_t inlen);
+int sha512(const unsigned char *message, size_t message_len, unsigned char *out);
+
+typedef sha512_context sha384_context;
+
+#define SHA384_DIGEST_LENGTH 48
+
+int sha384_init(sha384_context * md);
+int sha384_final(sha384_context * md, unsigned char *out);
+int sha384_update(sha384_context * md, const unsigned char *in, size_t inlen);
+int sha384(const unsigned char *message, size_t message_len, unsigned char *out);
+
+#endif