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Summary

rsa.GenerateKey will fail if bitsize < 1024 in go 1.24. This is only used in tests.

From release notes:

GenerateKey now returns an error if a key of less than 1024 bits is requested. All Sign, Verify, Encrypt, and Decrypt methods now return an error if used with a key smaller than 1024 bits. Such keys are insecure and should not be used. GODEBUG setting rsa1024min=0 restores the old behavior, but we recommend doing so only if necessary and only in tests, for example by adding a //go:debug rsa1024min=0 line to a test file. A new GenerateKey example provides an easy-to-use standard 2048-bit test key.

Backward Compatibility

Breaking Change? No.