Updated to v.0.2.14

- Added PS3 Linux support.
- Fixed ECDSA checking.

src/README

@@ -85,6 +85,9 @@ OPTIONS                 Possible Values       Explanation
  -j, --np-add-sig       TRUE/FALSE(default)   Whether to add a NP sig. or not.
 
 ==> History <==
+Version 0.2.14
+- Added PS3 Linux support.
+- Fixed ECDSA checking.
 Version 0.2.13
 - Unlocked decryption for self files with network license type.
 - Fixed one minor bug with capability flags.

src/sce.cpp

@@ -119,6 +119,9 @@ void _print_sce_signature(FILE *fp, signature_t *sig)
 void _print_sce_signature_status(FILE *fp, sce_buffer_ctxt_t *ctxt, u8 *keyset)
 {
 	u8 hash[0x14];
+	u8 Q[0x28];
+	u8 M[0x14];
+	u8 zero_buf[0x14];
 	keyset_t *ks;
 
 	//Check if a keyset is provided.
@@ -134,10 +137,24 @@ void _print_sce_signature_status(FILE *fp, sce_buffer_ctxt_t *ctxt, u8 *keyset)
 	}
 	//Generate header hash.
 	sha1(ctxt->scebuffer, _ES64(ctxt->metah->sig_input_length), hash);
+	_hexdump(fp, " E", 0, hash, 0x14, FALSE); 
 	
-	//Validate the signature.
 	ecdsa_set_curve(ks->ctype);
 	ecdsa_set_pub(ks->pub);
+	
+	#ifdef CONFIG_PRIVATE_BUILD
+	//validate private key and calculate M
+	ec_priv_to_pub(ks->priv, Q);
+	get_m(ctxt->sig->r, ctxt->sig->s, hash, ks->priv, M);
+	if (memcmp(ks->pub, Q, sizeof(Q)) == 0)
+		_hexdump (fp, " M", 0, M, 0x14, FALSE);
+	#endif
+	
+	//Validate the signature.
+	memset(zero_buf, 0, sizeof(zero_buf));
+	if ((memcmp(ctxt->sig->r, zero_buf, sizeof(zero_buf)) == 0) || (memcmp(ctxt->sig->s, zero_buf, sizeof(zero_buf)) == 0))
+		fprintf(fp, "[*] Signature status: FAIL\n");
+	else
 		fprintf(fp, "[*] Signature status: %s\n", (ecdsa_verify(hash, ctxt->sig->r, ctxt->sig->s) == TRUE ? "OK" : "FAIL"));
 }
 

src/types.h

@@ -39,6 +39,10 @@ typedef unsigned long long int u64;
 	((u16)(((((u16)val) & 0xff00) >> 8) | \
 	       ((((u16)val) & 0x00ff) << 8)))
 		   
+#ifdef __BIG_ENDIAN__
+	 #define _ES16(val) val
+#endif
+
 //Endian swap for u32.
 #define _ES32(val) \
 	((u32)(((((u32)val) & 0xff000000) >> 24) | \
@@ -46,6 +50,10 @@ typedef unsigned long long int u64;
 	       ((((u32)val) & 0x0000ff00) << 8 ) | \
 	       ((((u32)val) & 0x000000ff) << 24)))
 		   
+#ifdef __BIG_ENDIAN__
+	 #define _ES32(val) val
+#endif
+
 //Endian swap for u64.
 #define _ES64(val) \
 	((u64)(((((u64)val) & 0xff00000000000000ull) >> 56) | \
@@ -57,6 +65,10 @@ typedef unsigned long long int u64;
 	       ((((u64)val) & 0x000000000000ff00ull) << 40) | \
 	       ((((u64)val) & 0x00000000000000ffull) << 56)))
 
+#ifdef __BIG_ENDIAN__
+	 #define _ES64(val) val
+#endif
+	 
 #ifdef __cplusplus
 }
 #endif