https://gitlab.synchro.net/main/sbbs/-/commit/c0bcf664ecd60723b2ff6b48
Modified Files:
src/ssh/kex/dh-gex-sha256.c src/ssh/test/dssh_test_internal.h test_transport.c
Log Message:
Add unit tests for formerly-guarded paths

Tests for code paths that were previously hidden behind
#ifndef DSSH_TESTING guards:

- guard/rekey_time_zero: rekey_needed returns false when rekey_time==0
- guard/blocksize_lt8: enc module with blocksize=1 (clamped to 8)
- guard/ed25519_sign_small_buf: sign with 4-byte buffer → TOOLONG
- guard/ed25519_pubkey_small_buf: pubkey with 4-byte buffer → TOOLONG
- guard/rsa_sign_small_buf: sign with 4-byte buffer → TOOLONG
- guard/rsa_pubkey_small_buf: pubkey with 4-byte buffer → TOOLONG
- guard/bn_mpint_small_buf: serialize_bn_mpint with 4-byte buffer → TOOLONG

Expose serialize_bn_mpint as DSSH_TESTABLE for direct testing.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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