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security [2018_01_30 19:14]
steven [5 Document Security]
security [2018_01_30 19:15] (current)
steven [3 Data Security]
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 {{:/​security:​steps:​sme_3_data_security.png}} {{:/​security:​steps:​sme_3_data_security.png}}
  
-Storage Made Easy can be used to encrypt data transmitted to any cloud that is mapped to a user personal, Cloud File Server, or Appliance account. SME uses [[http://​en.wikipedia.org/​wiki/​Advanced_Encryption_Standard|AES]]-256 encryption using the Rijndael cipher, with Cipher Block Chaining (CBC) where the block size is 16 bytes. The cipher Rijndael consists of:\\ \\ - an initial Round Key addition\\ - Nr-1Rounds\\ - a final round.\\ \\ The chaining variable goes into the â€œinput” ​and the message block goes into the “Cipher Key. The likelihood of recovering a file that has been encrypted using our encryption is fairly remote. The most efficient key-recovery attack for Rijndael is exhaustive key search. The expected effort of exhaustive key search depends on the length of the Cipher Key and for a 16-byte key, 2127 applications of Rijndael;\\ \\ Any AES-256 decryption tool that supports the Rijndael cipher with 16 byte blocksizes can be used to un-encrypt files. We also provide free desktop decryption tools for [[https://​storagemadeeasy.com/​clients_and_tools#​Mac|Mac]],​ [[https://​storagemadeeasy.com/​clients_and_tools#​Windows|Windows]] and [[https://​storagemadeeasy.com/​clients_and_tools#​Linux|Linux]] that enable the decryption of a file if you download it directly from a mapped cloud ie. without any access to the SME service.\\ \\ The Wiki entry on encryption has further details.+Storage Made Easy can be used to encrypt data transmitted to any cloud that is mapped to a user personal, Cloud File Server, or Appliance account. SME uses [[http://​en.wikipedia.org/​wiki/​Advanced_Encryption_Standard|AES]]-256 encryption using the Rijndael cipher, with Cipher Block Chaining (CBC) where the block size is 16 bytes. The cipher Rijndael consists of: 
 +  * an initial Round Key addition 
 +  * Nr-1Rounds 
 +  * a final round. 
 + 
 +The chaining variable goes into the input€ ​and the message block goes into the “Cipher Key. The likelihood of recovering a file that has been encrypted using our encryption is fairly remote. The most efficient key-recovery attack for Rijndael is exhaustive key search. The expected effort of exhaustive key search depends on the length of the Cipher Key and for a 16-byte key, 2127 applications of Rijndael; 
 + 
 +Any AES-256 decryption tool that supports the Rijndael cipher with 16 byte blocksizes can be used to un-encrypt files. We also provide free desktop decryption tools for [[https://​storagemadeeasy.com/​clients_and_tools#​Mac|Mac]],​ [[https://​storagemadeeasy.com/​clients_and_tools#​Windows|Windows]] and [[https://​storagemadeeasy.com/​clients_and_tools#​Linux|Linux]] that enable the decryption of a file if you download it directly from a mapped cloud ie. without any access to the SME service. 
 + 
 +The Wiki entry on encryption has further details.