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How to find if SQL server backup is encrypted with TDE without restoring the backup
Restoring a backup to an older version of SQL ServerCan I recover a TDE certificate by restoring the MASTER database?How do you copy a TDE-encrypted SQL Server database using T-SQL programatically?Backup SQL Server with VMwareRestoring encrypted database on another server (using Backup Encryption)A SQL Server database backup/restore issueIs network traffic encrypted when writing remote backups using SQL Server TDE?Restore SQL Server DB encrypted by EKM - where's the asymmetric key?Always Encrypted after restoring an old database backup using C#Restoring MS SQL TDE database question
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Is there a way to find from the SQL Server Backup file or MSDB tables if the backup is encrypted with TDE without trying to restore the backup file?
Thanks
sql-server
asked Apr 1 at 17:20
yegnasewyegnasew
483
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Is there a way to find from the SQL Server Backup file or MSDB tables if the backup is encrypted with TDE without trying to restore the backup file?
Thanks
sql-server
asked Apr 1 at 17:20
yegnasewyegnasew
483
New contributor
yegnasew is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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add a comment |
Is there a way to find from the SQL Server Backup file or MSDB tables if the backup is encrypted with TDE without trying to restore the backup file?
Thanks
sql-server
asked Apr 1 at 17:20
yegnasewyegnasew
483
New contributor
yegnasew is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Is there a way to find from the SQL Server Backup file or MSDB tables if the backup is encrypted with TDE without trying to restore the backup file?
Thanks
sql-server
sql-server
asked Apr 1 at 17:20
yegnasewyegnasew
483
New contributor
yegnasew is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Apr 1 at 17:20
yegnasewyegnasew
483
New contributor
yegnasew is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Apr 1 at 17:20
yegnasewyegnasew
483
New contributor
yegnasew is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Apr 1 at 17:20
yegnasewyegnasew
483
asked Apr 1 at 17:20
yegnasewyegnasew
483
483
New contributor
yegnasew is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
yegnasew is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
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Check out our Code of Conduct.
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2 Answers
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votes
Imagine for a second that you've got a 1 terabyte database. Backing it up takes a while, and encrypting it takes a while. So imagine that:
- 9:00 AM - you start taking a full backup
- 9:01 AM - in another window, you start enabling TDE on the database
- 9:05 AM - the backup completes
- 9:10 AM - TDE completes
What would you expect your query to return, given that as soon as you finish restoring the full backup, it's going to continue applying TDE, encrypting the rest of your database?
Conversely, imagine that you start with an already-encrypted database, and:
- 9:00 AM - you remove TDE (which takes some time)
- 9:01 AM - you start a full backup
- 9:05 AM - the data pages are no longer encrypted
- 9:06 AM - your full backup completes
What would you expect the query to return? These are example scenarios of why TDE encryption isn't one of the fields included in msdb.dbo.backupset.
answered Apr 1 at 17:27
Brent OzarBrent Ozar
35.8k19110241
Thank You all for a quick response and @ScottHodgin yes I wanted to know if the backup is from a TDE database and Brent's answer made it clear.
– yegnasew
Apr 1 at 18:43
add a comment |
I up-voted Brent's answer, as his scenario could definitely muddy the water on whether the backup contained TDE data.
However, if you've had TDE enabled for a while, it seems that RESTORE FILELISTONLY (Transact-SQL) might provide the information you're after. There is a column on the result set called TDEThumbprint which "Shows the thumbprint of the Database Encryption Key. The encryptor thumbprint is a SHA-1 hash of the certificate with which the key is encrypted."
I looked at some of my backups which were both TDE encrypted and not TDE encrypted.
The backups of my TDE databases had the certificate thumbprint in that column and the backups that did not have TDE databases had null.
answered Apr 1 at 17:57
Scott HodginScott Hodgin
18.2k21635
add a comment |
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2 Answers
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2 Answers
2
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votes
active
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votes
Imagine for a second that you've got a 1 terabyte database. Backing it up takes a while, and encrypting it takes a while. So imagine that:
- 9:00 AM - you start taking a full backup
- 9:01 AM - in another window, you start enabling TDE on the database
- 9:05 AM - the backup completes
- 9:10 AM - TDE completes
What would you expect your query to return, given that as soon as you finish restoring the full backup, it's going to continue applying TDE, encrypting the rest of your database?
Conversely, imagine that you start with an already-encrypted database, and:
- 9:00 AM - you remove TDE (which takes some time)
- 9:01 AM - you start a full backup
- 9:05 AM - the data pages are no longer encrypted
- 9:06 AM - your full backup completes
What would you expect the query to return? These are example scenarios of why TDE encryption isn't one of the fields included in msdb.dbo.backupset.
answered Apr 1 at 17:27
Brent OzarBrent Ozar
35.8k19110241
Thank You all for a quick response and @ScottHodgin yes I wanted to know if the backup is from a TDE database and Brent's answer made it clear.
– yegnasew
Apr 1 at 18:43
add a comment |
Imagine for a second that you've got a 1 terabyte database. Backing it up takes a while, and encrypting it takes a while. So imagine that:
- 9:00 AM - you start taking a full backup
- 9:01 AM - in another window, you start enabling TDE on the database
- 9:05 AM - the backup completes
- 9:10 AM - TDE completes
What would you expect your query to return, given that as soon as you finish restoring the full backup, it's going to continue applying TDE, encrypting the rest of your database?
Conversely, imagine that you start with an already-encrypted database, and:
- 9:00 AM - you remove TDE (which takes some time)
- 9:01 AM - you start a full backup
- 9:05 AM - the data pages are no longer encrypted
- 9:06 AM - your full backup completes
What would you expect the query to return? These are example scenarios of why TDE encryption isn't one of the fields included in msdb.dbo.backupset.
answered Apr 1 at 17:27
Brent OzarBrent Ozar
35.8k19110241
Thank You all for a quick response and @ScottHodgin yes I wanted to know if the backup is from a TDE database and Brent's answer made it clear.
– yegnasew
Apr 1 at 18:43
add a comment |
Imagine for a second that you've got a 1 terabyte database. Backing it up takes a while, and encrypting it takes a while. So imagine that:
- 9:00 AM - you start taking a full backup
- 9:01 AM - in another window, you start enabling TDE on the database
- 9:05 AM - the backup completes
- 9:10 AM - TDE completes
What would you expect your query to return, given that as soon as you finish restoring the full backup, it's going to continue applying TDE, encrypting the rest of your database?
Conversely, imagine that you start with an already-encrypted database, and:
- 9:00 AM - you remove TDE (which takes some time)
- 9:01 AM - you start a full backup
- 9:05 AM - the data pages are no longer encrypted
- 9:06 AM - your full backup completes
What would you expect the query to return? These are example scenarios of why TDE encryption isn't one of the fields included in msdb.dbo.backupset.
answered Apr 1 at 17:27
Brent OzarBrent Ozar
35.8k19110241
Imagine for a second that you've got a 1 terabyte database. Backing it up takes a while, and encrypting it takes a while. So imagine that:
- 9:00 AM - you start taking a full backup
- 9:01 AM - in another window, you start enabling TDE on the database
- 9:05 AM - the backup completes
- 9:10 AM - TDE completes
What would you expect your query to return, given that as soon as you finish restoring the full backup, it's going to continue applying TDE, encrypting the rest of your database?
Conversely, imagine that you start with an already-encrypted database, and:
- 9:00 AM - you remove TDE (which takes some time)
- 9:01 AM - you start a full backup
- 9:05 AM - the data pages are no longer encrypted
- 9:06 AM - your full backup completes
What would you expect the query to return? These are example scenarios of why TDE encryption isn't one of the fields included in msdb.dbo.backupset.
answered Apr 1 at 17:27
Brent OzarBrent Ozar
35.8k19110241
answered Apr 1 at 17:27
Brent OzarBrent Ozar
35.8k19110241
answered Apr 1 at 17:27
Brent OzarBrent Ozar
35.8k19110241
answered Apr 1 at 17:27
Brent OzarBrent Ozar
35.8k19110241
35.8k19110241
Thank You all for a quick response and @ScottHodgin yes I wanted to know if the backup is from a TDE database and Brent's answer made it clear.
– yegnasew
Apr 1 at 18:43
add a comment |
Thank You all for a quick response and @ScottHodgin yes I wanted to know if the backup is from a TDE database and Brent's answer made it clear.
– yegnasew
Apr 1 at 18:43
Thank You all for a quick response and @ScottHodgin yes I wanted to know if the backup is from a TDE database and Brent's answer made it clear.
– yegnasew
Apr 1 at 18:43
Thank You all for a quick response and @ScottHodgin yes I wanted to know if the backup is from a TDE database and Brent's answer made it clear.
– yegnasew
Apr 1 at 18:43
add a comment |
I up-voted Brent's answer, as his scenario could definitely muddy the water on whether the backup contained TDE data.
However, if you've had TDE enabled for a while, it seems that RESTORE FILELISTONLY (Transact-SQL) might provide the information you're after. There is a column on the result set called TDEThumbprint which "Shows the thumbprint of the Database Encryption Key. The encryptor thumbprint is a SHA-1 hash of the certificate with which the key is encrypted."
I looked at some of my backups which were both TDE encrypted and not TDE encrypted.
The backups of my TDE databases had the certificate thumbprint in that column and the backups that did not have TDE databases had null.
answered Apr 1 at 17:57
Scott HodginScott Hodgin
18.2k21635
add a comment |
I up-voted Brent's answer, as his scenario could definitely muddy the water on whether the backup contained TDE data.
However, if you've had TDE enabled for a while, it seems that RESTORE FILELISTONLY (Transact-SQL) might provide the information you're after. There is a column on the result set called TDEThumbprint which "Shows the thumbprint of the Database Encryption Key. The encryptor thumbprint is a SHA-1 hash of the certificate with which the key is encrypted."
I looked at some of my backups which were both TDE encrypted and not TDE encrypted.
The backups of my TDE databases had the certificate thumbprint in that column and the backups that did not have TDE databases had null.
answered Apr 1 at 17:57
Scott HodginScott Hodgin
18.2k21635
add a comment |
I up-voted Brent's answer, as his scenario could definitely muddy the water on whether the backup contained TDE data.
However, if you've had TDE enabled for a while, it seems that RESTORE FILELISTONLY (Transact-SQL) might provide the information you're after. There is a column on the result set called TDEThumbprint which "Shows the thumbprint of the Database Encryption Key. The encryptor thumbprint is a SHA-1 hash of the certificate with which the key is encrypted."
I looked at some of my backups which were both TDE encrypted and not TDE encrypted.
The backups of my TDE databases had the certificate thumbprint in that column and the backups that did not have TDE databases had null.
answered Apr 1 at 17:57
Scott HodginScott Hodgin
18.2k21635
I up-voted Brent's answer, as his scenario could definitely muddy the water on whether the backup contained TDE data.
However, if you've had TDE enabled for a while, it seems that RESTORE FILELISTONLY (Transact-SQL) might provide the information you're after. There is a column on the result set called TDEThumbprint which "Shows the thumbprint of the Database Encryption Key. The encryptor thumbprint is a SHA-1 hash of the certificate with which the key is encrypted."
I looked at some of my backups which were both TDE encrypted and not TDE encrypted.
The backups of my TDE databases had the certificate thumbprint in that column and the backups that did not have TDE databases had null.
answered Apr 1 at 17:57
Scott HodginScott Hodgin
18.2k21635
answered Apr 1 at 17:57
Scott HodginScott Hodgin
18.2k21635
answered Apr 1 at 17:57
Scott HodginScott Hodgin
18.2k21635
answered Apr 1 at 17:57
Scott HodginScott Hodgin
18.2k21635
18.2k21635
add a comment |
add a comment |
yegnasew is a new contributor. Be nice, and check out our Code of Conduct.
yegnasew is a new contributor. Be nice, and check out our Code of Conduct.
yegnasew is a new contributor. Be nice, and check out our Code of Conduct.
yegnasew is a new contributor. Be nice, and check out our Code of Conduct.
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