a3955269
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/*
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* Copyright (c) 2013 a3955269 all rights reversed, no rights reserved.
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*/
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//////////////////////////////////////////////////////////////////////////////
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#include <string.h>
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#include <stdio.h>
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#include <dlfcn.h>
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#include "include/libcrypt_samsung.h"
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//////////////////////////////////////////////////////////////////////////////
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void xconvert_key_to_hex_ascii(unsigned char *master_key, unsigned int keysize,
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char *master_key_ascii)
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{
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unsigned int i, a;
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unsigned char nibble;
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for (i=0, a=0; i<keysize; i++, a+=2) {
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/* For each byte, write out two ascii hex digits */
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nibble = (master_key[i] >> 4) & 0xf;
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master_key_ascii[a] = nibble + (nibble > 9 ? 0x37 : 0x30);
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nibble = master_key[i] & 0xf;
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master_key_ascii[a+1] = nibble + (nibble > 9 ? 0x37 : 0x30);
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}
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/* Add the null termination */
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master_key_ascii[a] = '\0';
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}
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int decrypt_EDK(
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dek_t *dek, const edk_payload_t *edk, /*const*/ char *passwd)
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{
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void *lib = dlopen("libsec_km.so", RTLD_LAZY);
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if(!lib)
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return -100;
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int r = -101;
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decrypt_EDK_t sym = (decrypt_EDK_t)dlsym(lib, "decrypt_EDK");
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if(sym)
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r = sym(dek, edk, passwd);
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dlclose(lib);
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return r;
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}
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int mount_ecryptfs_drive(
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const char *passwd, const char *source, const char *target, int filter)
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{
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void *lib = dlopen("libsec_ecryptfs.so", RTLD_LAZY);
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if(!lib)
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return -100;
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int r = -101;
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mount_ecryptfs_drive_t sym = (mount_ecryptfs_drive_t)dlsym(lib, "mount_ecryptfs_drive");
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if(sym)
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r = sym(passwd, source, target, filter);
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dlclose(lib);
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return r;
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}
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