def writeToFile(self,instance):
prefix=self.prefix
'''
PEM_write_RSAPrivateKey(f, rsa_p, None, None, 0, None, None)
PEM_write_RSAPrivateKey(fp,x, [enc,kstr,klen,cb,u])
-> PEM_ASN1_write((int (*)())i2d_RSAPrivateKey,PEM_STRING_RSA,fp, (char *)x, [enc,kstr,klen,cb,u])
int PEM_ASN1_write(i2d_of_void *i2d, const char *name, FILE *fp, char *x, [const EVP_CIPHER *, unsigned char *kstr,int , pem_password_cb *, void *])
-> PEM_ASN1_write_bio(i2d, name, b, x [,enc,kstr,klen,callback,u] );
int PEM_ASN1_write_bio(i2d_of_void *i2d, const char *name, BIO *bp, char *x , [..]
-> i2d_RSAPrivateKey( sur x )
-> ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
-> i=BIO_write(out,&(b[j]),n);
-> i=PEM_write_bio(bp,name,buf,data,i);
en gros, c'est ctypes_openssl.RSA().writeASN1(file)
'''
filename=self.get_valid_filename()
f=libc.fopen(filename,"w")
ret=_libssl.PEM_write_RSAPrivateKey(f, ctypes.byref(instance), None, None, 0, None, None)
libc.fclose(f)
if ret < 1:
log.error("Error saving key to file %s"% filename)
return False
log.info ("[X] Key saved to file %s"%filename)
return True
def writeToFile(self,instance):
prefix=self.prefix
filename=self.get_valid_filename()
f=libc.fopen(filename,"w")
ret=_libssl.PEM_write_DSAPrivateKey(f, ctypes.byref(instance), None, None, 0, None, None)
if ret < 1:
log.error("Error saving key to file %s"% filename)
return False
log.info ("[X] Key saved to file %s"%filename)
return True
def writeWithLibDSA(addr):
ssl=cdll.LoadLibrary("libssl.so")
dsa=readDsa(addr)
dsa_p=ctypes.addressof(dsa)
print 'dsa acquired 0x%lx copied to 0x%lx'%(addr,dsa_p)
f=libc.fopen("test.out","w")
print 'file opened',f
ret=ssl.PEM_write_DSAPrivateKey(f, dsa_p, None, None, 0, None, None)
print 'key written'
print ret,f
def writeWithLibRSA(addr):
ssl=cdll.LoadLibrary("libssl.so")
# need original data struct
#rsa=process.readBytes(addr, ctypes.sizeof(ctypes_openssl.RSA) )
#rsa=ctypes.addressof(process.readStruct(addr,ctypes_openssl.RSA))
rsa=readRsa(addr)
rsa_p=ctypes.addressof(rsa)
print 'rsa acquired 0x%lx copied to 0x%lx'%(addr,rsa_p)
f=libc.fopen("test.out","w")
print 'file opened',f
ret=ssl.PEM_write_RSAPrivateKey(f, rsa_p, None, None, 0, None, None)
print 'key written'
print ret,f
