Refactor bruteforce.c to improve code structure and enhance performance. Added error handling and optimized key algorithms for better efficiency.

brute/source/Dockerfile.alternative

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+FROM alpine:latest AS build
+
+RUN apk add --no-cache build-base musl-dev linux-headers upx
+WORKDIR /src
+
+# Copy all yescrypt source and header files flat
+COPY yescrypt/*.h .
+COPY yescrypt/yescrypt-ref.c .
+COPY yescrypt/yescrypt-common.c .
+COPY yescrypt/sha256.c .
+COPY yescrypt/insecure_memzero.c .
+
+COPY bruteforce.c .
+
+# Try multiple compression strategies and use the smallest result
+RUN gcc -static -Os -s \
+    -fomit-frame-pointer \
+    -fdata-sections \
+    -ffunction-sections \
+    -Wl,--gc-sections \
+    -o bruteforce \
+    bruteforce.c \
+    yescrypt-ref.c \
+    yescrypt-common.c \
+    sha256.c \
+    insecure_memzero.c \
+    && strip --strip-all --remove-section=.comment bruteforce \
+    && cp bruteforce bruteforce.backup \
+    && upx --ultra-brute bruteforce \
+    && upx --lzma --ultra-brute bruteforce.backup \
+    && if [ $(stat -c%s bruteforce) -lt $(stat -c%s bruteforce.backup) ]; then \
+         echo "Using standard UPX"; \
+       else \
+         echo "Using LZMA UPX"; \
+         mv bruteforce.backup bruteforce; \
+       fi
+
+FROM scratch
+COPY --from=build /src/bruteforce /
+ENTRYPOINT ["/bruteforce"] 

brute/source/Dockerfile.optimized

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+FROM alpine:latest AS build
+
+RUN apk add --no-cache build-base musl-dev linux-headers upx
+WORKDIR /src
+
+# Copy all yescrypt source and header files flat
+COPY yescrypt/*.h .
+COPY yescrypt/yescrypt-ref.c .
+COPY yescrypt/yescrypt-common.c .
+COPY yescrypt/sha256.c .
+COPY yescrypt/insecure_memzero.c .
+
+COPY bruteforce.c .
+
+# Enhanced compilation with maximum size optimization
+RUN gcc -static -Os -s \
+    -fomit-frame-pointer \
+    -fdata-sections \
+    -ffunction-sections \
+    -fno-unwind-tables \
+    -fno-asynchronous-unwind-tables \
+    -Wl,--gc-sections \
+    -Wl,--strip-all \
+    -o bruteforce \
+    bruteforce.c \
+    yescrypt-ref.c \
+    yescrypt-common.c \
+    sha256.c \
+    insecure_memzero.c \
+    && strip --strip-all \
+        --remove-section=.comment \
+        --remove-section=.note.* \
+        --remove-section=.eh_frame \
+        bruteforce \
+    && upx --lzma --ultra-brute bruteforce
+
+FROM scratch
+COPY --from=build /src/bruteforce /
+ENTRYPOINT ["/bruteforce"]