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Fix ru docs
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Kruglov Pavel
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@ -19,11 +19,10 @@ sidebar_label: "Функции для шифрования"
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- aes-128-ecb, aes-192-ecb, aes-256-ecb
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- aes-128-cbc, aes-192-cbc, aes-256-cbc
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- aes-128-cfb1, aes-192-cfb1, aes-256-cfb1
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- aes-128-cfb8, aes-192-cfb8, aes-256-cfb8
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- aes-128-cfb128, aes-192-cfb128, aes-256-cfb128
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- aes-128-cfb128
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- aes-128-ofb, aes-192-ofb, aes-256-ofb
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- aes-128-gcm, aes-192-gcm, aes-256-gcm
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- aes-128-ctr, aes-192-ctr, aes-256-ctr
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**Синтаксис**
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@ -63,9 +62,9 @@ ENGINE = Memory;
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Запрос:
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``` sql
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INSERT INTO encryption_test VALUES('aes-256-cfb128 no IV', encrypt('aes-256-cfb128', 'Secret', '12345678910121314151617181920212')),\
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('aes-256-cfb128 no IV, different key', encrypt('aes-256-cfb128', 'Secret', 'keykeykeykeykeykeykeykeykeykeyke')),\
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('aes-256-cfb128 with IV', encrypt('aes-256-cfb128', 'Secret', '12345678910121314151617181920212', 'iviviviviviviviv')),\
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INSERT INTO encryption_test VALUES('aes-256-ofb no IV', encrypt('aes-256-ofb', 'Secret', '12345678910121314151617181920212')),\
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('aes-256-ofb no IV, different key', encrypt('aes-256-ofb', 'Secret', 'keykeykeykeykeykeykeykeykeykeyke')),\
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('aes-256-ofb with IV', encrypt('aes-256-ofb', 'Secret', '12345678910121314151617181920212', 'iviviviviviviviv')),\
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('aes-256-cbc no IV', encrypt('aes-256-cbc', 'Secret', '12345678910121314151617181920212'));
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```
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@ -78,12 +77,12 @@ SELECT comment, hex(secret) FROM encryption_test;
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Результат:
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``` text
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┌─comment─────────────────────────────┬─hex(secret)──────────────────────┐
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│ aes-256-cfb128 no IV │ B4972BDC4459 │
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│ aes-256-cfb128 no IV, different key │ 2FF57C092DC9 │
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│ aes-256-cfb128 with IV │ 5E6CB398F653 │
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│ aes-256-cbc no IV │ 1BC0629A92450D9E73A00E7D02CF4142 │
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└─────────────────────────────────────┴──────────────────────────────────┘
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┌─comment──────────────────────────┬─hex(secret)──────────────────────┐
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│ aes-256-ofb no IV │ B4972BDC4459 │
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│ aes-256-ofb no IV, different key │ 2FF57C092DC9 │
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│ aes-256-ofb with IV │ 5E6CB398F653 │
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│ aes-256-cbc no IV │ 1BC0629A92450D9E73A00E7D02CF4142 │
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└──────────────────────────────────┴──────────────────────────────────┘
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```
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Пример в режиме `-gcm`:
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@ -116,9 +115,7 @@ SELECT comment, hex(secret) FROM encryption_test WHERE comment LIKE '%gcm%';
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- aes-128-ecb, aes-192-ecb, aes-256-ecb
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- aes-128-cbc, aes-192-cbc, aes-256-cbc
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- aes-128-cfb1, aes-192-cfb1, aes-256-cfb1
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- aes-128-cfb8, aes-192-cfb8, aes-256-cfb8
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- aes-128-cfb128, aes-192-cfb128, aes-256-cfb128
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- aes-128-cfb128
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- aes-128-ofb, aes-192-ofb, aes-256-ofb
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**Синтаксис**
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@ -145,7 +142,7 @@ aes_encrypt_mysql('mode', 'plaintext', 'key' [, iv])
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Запрос:
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``` sql
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SELECT encrypt('aes-256-cfb128', 'Secret', '12345678910121314151617181920212', 'iviviviviviviviv') = aes_encrypt_mysql('aes-256-cfb128', 'Secret', '12345678910121314151617181920212', 'iviviviviviviviv') AS ciphertexts_equal;
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SELECT encrypt('aes-256-ofb', 'Secret', '12345678910121314151617181920212', 'iviviviviviviviv') = aes_encrypt_mysql('aes-256-ofb', 'Secret', '12345678910121314151617181920212', 'iviviviviviviviv') AS ciphertexts_equal;
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```
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Результат:
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@ -161,14 +158,14 @@ SELECT encrypt('aes-256-cfb128', 'Secret', '12345678910121314151617181920212', '
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Запрос:
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``` sql
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SELECT encrypt('aes-256-cfb128', 'Secret', '123456789101213141516171819202122', 'iviviviviviviviv123');
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SELECT encrypt('aes-256-ofb', 'Secret', '123456789101213141516171819202122', 'iviviviviviviviv123');
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```
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Результат:
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``` text
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Received exception from server (version 21.1.2):
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Code: 36. DB::Exception: Received from localhost:9000. DB::Exception: Invalid key size: 33 expected 32: While processing encrypt('aes-256-cfb128', 'Secret', '123456789101213141516171819202122', 'iviviviviviviviv123').
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Code: 36. DB::Exception: Received from localhost:9000. DB::Exception: Invalid key size: 33 expected 32: While processing encrypt('aes-256-ofb', 'Secret', '123456789101213141516171819202122', 'iviviviviviviviv123').
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```
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Однако функция `aes_encrypt_mysql` в аналогичном случае возвращает результат, который может быть обработан MySQL:
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@ -176,7 +173,7 @@ Code: 36. DB::Exception: Received from localhost:9000. DB::Exception: Invalid ke
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Запрос:
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``` sql
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SELECT hex(aes_encrypt_mysql('aes-256-cfb128', 'Secret', '123456789101213141516171819202122', 'iviviviviviviviv123')) AS ciphertext;
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SELECT hex(aes_encrypt_mysql('aes-256-ofb', 'Secret', '123456789101213141516171819202122', 'iviviviviviviviv123')) AS ciphertext;
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```
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Результат:
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@ -192,7 +189,7 @@ SELECT hex(aes_encrypt_mysql('aes-256-cfb128', 'Secret', '1234567891012131415161
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Запрос:
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``` sql
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SELECT hex(aes_encrypt_mysql('aes-256-cfb128', 'Secret', '123456789101213141516171819202122', 'iviviviviviviviv123456')) AS ciphertext
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SELECT hex(aes_encrypt_mysql('aes-256-ofb', 'Secret', '123456789101213141516171819202122', 'iviviviviviviviv123456')) AS ciphertext
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```
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Результат:
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@ -206,7 +203,7 @@ SELECT hex(aes_encrypt_mysql('aes-256-cfb128', 'Secret', '1234567891012131415161
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Это совпадает с результатом, возвращаемым MySQL при таких же входящих значениях:
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``` sql
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mysql> SET block_encryption_mode='aes-256-cfb128';
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mysql> SET block_encryption_mode='aes-256-ofb';
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Query OK, 0 rows affected (0.00 sec)
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mysql> SELECT aes_encrypt('Secret', '123456789101213141516171819202122', 'iviviviviviviviv123456') as ciphertext;
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@ -224,11 +221,10 @@ mysql> SELECT aes_encrypt('Secret', '123456789101213141516171819202122', 'iviviv
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- aes-128-ecb, aes-192-ecb, aes-256-ecb
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- aes-128-cbc, aes-192-cbc, aes-256-cbc
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- aes-128-cfb1, aes-192-cfb1, aes-256-cfb1
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- aes-128-cfb8, aes-192-cfb8, aes-256-cfb8
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- aes-128-cfb128, aes-192-cfb128, aes-256-cfb128
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- aes-128-cfb128
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- aes-128-ofb, aes-192-ofb, aes-256-ofb
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- aes-128-gcm, aes-192-gcm, aes-256-gcm
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- aes-128-ctr, aes-192-ctr, aes-256-ctr
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**Синтаксис**
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@ -265,12 +261,12 @@ SELECT comment, hex(secret) FROM encryption_test;
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│ aes-256-gcm │ A8A3CCBC6426CFEEB60E4EAE03D3E94204C1B09E0254 │
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│ aes-256-gcm with AAD │ A8A3CCBC6426D9A1017A0A932322F1852260A4AD6837 │
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└──────────────────────┴──────────────────────────────────────────────┘
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┌─comment─────────────────────────────┬─hex(secret)──────────────────────┐
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│ aes-256-cfb128 no IV │ B4972BDC4459 │
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│ aes-256-cfb128 no IV, different key │ 2FF57C092DC9 │
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│ aes-256-cfb128 with IV │ 5E6CB398F653 │
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│ aes-256-cbc no IV │ 1BC0629A92450D9E73A00E7D02CF4142 │
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└─────────────────────────────────────┴──────────────────────────────────┘
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┌─comment──────────────────────────┬─hex(secret)──────────────────────┐
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│ aes-256-ofb no IV │ B4972BDC4459 │
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│ aes-256-ofb no IV, different key │ 2FF57C092DC9 │
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│ aes-256-ofb with IV │ 5E6CB398F653 │
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│ aes-256-cbc no IV │ 1BC0629A92450D9E73A00E7D02CF4142 │
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└──────────────────────────────────┴──────────────────────────────────┘
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```
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Теперь попытаемся расшифровать эти данные:
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@ -278,19 +274,25 @@ SELECT comment, hex(secret) FROM encryption_test;
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Запрос:
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``` sql
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SELECT comment, decrypt('aes-256-cfb128', secret, '12345678910121314151617181920212') as plaintext FROM encryption_test;
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SELECT comment, decrypt('aes-256-ofb', secret, '12345678910121314151617181920212') as plaintext FROM encryption_test;
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```
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Результат:
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``` text
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┌─comment─────────────────────────────┬─plaintext─┐
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│ aes-256-cfb128 no IV │ Secret │
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│ aes-256-cfb128 no IV, different key │ <20>4<EFBFBD>
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<20> │
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│ aes-256-cfb128 with IV │ <20><><EFBFBD>6<EFBFBD>~ │
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│aes-256-cbc no IV │ <20>2*4<>h3c<33>4w<34><77>@
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└─────────────────────────────────────┴───────────┘
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┌─comment──────────────┬─plaintext──┐
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│ aes-256-gcm │ OQ<4F>E
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<20>t<EFBFBD>7T<37>\<5C><><EFBFBD>\<5C> │
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│ aes-256-gcm with AAD │ OQ<4F>E
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<20>\<5C><>si<73><69><EFBFBD><EFBFBD>;<3B>o<EFBFBD><6F> │
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└──────────────────────┴────────────┘
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┌─comment──────────────────────────┬─plaintext─┐
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│ aes-256-ofb no IV │ Secret │
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│ aes-256-ofb no IV, different key │ <20>4<EFBFBD>
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<20> │
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│ aes-256-ofb with IV │ <20><><EFBFBD>6<EFBFBD>~ │
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│aes-256-cbc no IV │ <20>2*4<>h3c<33>4w<34><77>@
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└──────────────────────────────────┴───────────┘
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```
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Обратите внимание, что только часть данных была расшифрована верно. Оставшаяся часть расшифрована некорректно, так как при шифровании использовались другие значения `mode`, `key`, или `iv`.
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@ -305,9 +307,7 @@ SELECT comment, decrypt('aes-256-cfb128', secret, '12345678910121314151617181920
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- aes-128-ecb, aes-192-ecb, aes-256-ecb
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- aes-128-cbc, aes-192-cbc, aes-256-cbc
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- aes-128-cfb1, aes-192-cfb1, aes-256-cfb1
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- aes-128-cfb8, aes-192-cfb8, aes-256-cfb8
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- aes-128-cfb128, aes-192-cfb128, aes-256-cfb128
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- aes-128-cfb128
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- aes-128-ofb, aes-192-ofb, aes-256-ofb
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**Синтаксис**
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@ -333,7 +333,7 @@ aes_decrypt_mysql('mode', 'ciphertext', 'key' [, iv])
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``` sql
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mysql> SET block_encryption_mode='aes-256-cfb128';
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mysql> SET block_encryption_mode='aes-256-ofb';
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Query OK, 0 rows affected (0.00 sec)
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mysql> SELECT aes_encrypt('Secret', '123456789101213141516171819202122', 'iviviviviviviviv123456') as ciphertext;
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@ -348,7 +348,7 @@ mysql> SELECT aes_encrypt('Secret', '123456789101213141516171819202122', 'iviviv
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Запрос:
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``` sql
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SELECT aes_decrypt_mysql('aes-256-cfb128', unhex('24E9E4966469'), '123456789101213141516171819202122', 'iviviviviviviviv123456') AS plaintext;
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SELECT aes_decrypt_mysql('aes-256-ofb', unhex('24E9E4966469'), '123456789101213141516171819202122', 'iviviviviviviviv123456') AS plaintext;
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```
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Результат:
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