pgcrypto: insecure cipher algorithms and modes are not supported

[andyyang890]

This issue tracks the insecure legacy cipher algorithms and modes in pgcrypto that CockroachDB does not support for encryption/decryption:

Algorithms:

• bf (Blowfish)

Modes:

• ecb (electronic codebook)

Jira issue: CRDB-29058

[blathers-crl[bot]]

Hi @andyyang890, I've guessed the C-ategory of your issue and suitably labeled it. Please re-label if inaccurate.

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