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Important

The SingleStore 9.1 release candidate (RC) is available now. It will be promoted to general availability (GA) soon and at that time it will be renamed to SingleStore 10.

In the interim, SingleStore 9.1 RC can be used to preview, evaluate, and provide feedback on the new and upcoming features in SingleStore 10, while SingleStore 9.0 is recommended for production workloads.

SHA1

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The SHA1() function hashes the given string or binary data using the so-called secure hash algorithm, version 1. SHA1 has been deprecated as a means of securely signing data.

It is present in SingleStore mainly for backwards compatibility and for systems which require a good enough hashing function and can tolerate collisions. For a more secure hash function, see [SHA2].

Syntax

SHA1(plaintext)
SHA(plaintext)

Arguments

  • plaintext: the data to hash.

Return Type

40 lower case hexadecimal digits corresponding to the 160-bit binary hash value.

Examples

SELECT SHA1('ohai'), SHA('ohai');
+------------------------------------------+------------------------------------------+
| SHA1('ohai')                             | SHA('ohai')                              |
+------------------------------------------+------------------------------------------+
| dca51952447d80bd35bf631bc21f06648798b7e0 | dca51952447d80bd35bf631bc21f06648798b7e0 |
+------------------------------------------+------------------------------------------+

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Verification instructions

Note: You must install cosign to verify the authenticity of the SingleStore file.

Use the following steps to verify the authenticity of singlestoredb-server, singlestoredb-toolbox, singlestoredb-studio, and singlestore-client SingleStore files that have been downloaded.

You may perform the following steps on any computer that can run cosign, such as the main deployment host of the cluster.

  1. (Optional) Run the following command to view the associated signature files.

    curl undefined

  2. Download the signature file from the SingleStore release server.

    • Option 1: Click the Download Signature button next to the SingleStore file.

    • Option 2: Copy and paste the following URL into the address bar of your browser and save the signature file.

    • Option 3: Run the following command to download the signature file.

      curl -O undefined

  3. After the signature file has been downloaded, run the following command to verify the authenticity of the SingleStore file.

    echo -n undefined |
        cosign verify-blob --certificate-oidc-issuer https://oidc.eks.us-east-1.amazonaws.com/id/CCDCDBA1379A5596AB5B2E46DCA385BC \
          --certificate-identity https://kubernetes.io/namespaces/freya-production/serviceaccounts/job-worker \
          --bundle undefined \
          --new-bundle-format -
    Verified OK

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