Dockerfile (Debian bullseye libgcrypt STRIBOG carry overflow bug)

FROM debian@sha256:a50c3ed0200d2f58736c3bb02b4a9f174f3d6d3bd866f2f640375f1e82c61348

ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update && \
    apt-get install -y \
    gcc \
    libgcrypt-dev \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

RUN cat > /app/stribog.c << 'EOF'
#include <stdio.h>
#include <gcrypt.h>

#define CF_CHECK_EQ(expr, res) if ( (expr) != (res) ) { goto end; }
#define CF_CHECK_NE(expr, res) if ( (expr) == (res) ) { goto end; }

void run_stribog(const unsigned char* expected_out, const size_t expected_out_size, const int algo) {
    const unsigned char input[] = {
        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
        0x9a, 0x89, 0xc2, 0x62, 0x6f, 0x54, 0x34, 0x5a, 0x72, 0x14, 0x10, 0xd4, 0xc6, 0xa7, 0xf1, 0x39, 
        0x9a, 0xf6, 0x7e, 0xf1, 0x0a, 0xe9, 0x5f, 0x58, 0x46, 0x63, 0x37, 0xdd, 0x68, 0x4d, 0xb4, 0xe5, 
        0xa1, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x97, 0x5d, 0xf7, 0x35, 0x33, 0xcf, 0xfe};
    unsigned char* out = NULL;
    size_t out_size = 0;

    gcry_md_hd_t h;
    CF_CHECK_EQ(gcry_md_open(&h, algo, 0), GPG_ERR_NO_ERROR);
    /* noret */ gcry_md_write(h, input, sizeof(input));
    out = gcry_md_read(h, algo);
    CF_CHECK_NE(out, NULL);
    out_size = gcry_md_get_algo_dlen(algo);
    printf("libgcrypt output:\n");
    for (size_t i = 0; i < out_size; i++) {
        if (i && ((i % 16) == 0)) printf("\n");
        printf("%02X ", out[i]);
    }
    printf("\n");

    printf("Expected output:\n");
    for (size_t i = 0; i < expected_out_size; i++) {
        if (i && ((i % 16) == 0)) printf("\n");
        printf("%02X ", expected_out[i]);
    }
    printf("\n");
    /* noret */ gcry_md_close(h);
end:
    return;
}

int main(void)
{
    printf("STRIBOG-256:\n");
    const unsigned char expected_out_streebog_256[] = {
        0x5a, 0xea, 0x82, 0x66, 0x91, 0x2f, 0x42, 0x8c, 0xb8, 0x28, 0xc6, 0x2b, 0xdf, 0x05, 0xa4, 0xa9, 
        0x6f, 0x1c, 0xd7, 0xe2, 0xc3, 0xa7, 0x19, 0x6f, 0xe2, 0x3a, 0x53, 0x2e, 0x1f, 0x30, 0x1a, 0x38};
    run_stribog(expected_out_streebog_256, sizeof(expected_out_streebog_256), GCRY_MD_STRIBOG256);
    printf("\n");

    printf("STRIBOG-512\n");
    const unsigned char expected_out_streebog_512[] = {
        0x5b, 0x64, 0xbb, 0xe4, 0xcb, 0xbe, 0x3a, 0x84, 0xae, 0xc3, 0x14, 0xbf, 0x63, 0xbd, 0xdf, 0x5c, 
        0xcd, 0x71, 0xc9, 0x11, 0x6c, 0xdf, 0x5c, 0x8c, 0xc4, 0x32, 0x9e, 0x50, 0x68, 0x31, 0x6e, 0xd2, 
        0x1b, 0x77, 0x05, 0xfd, 0xd4, 0xe8, 0x79, 0x57, 0x61, 0x0f, 0xe8, 0x6f, 0xf0, 0x4a, 0x45, 0xad, 
        0xfc, 0xc4, 0x4d, 0x49, 0x6e, 0xde, 0x62, 0xed, 0xc2, 0x4e, 0xbe, 0x19, 0x0c, 0x14, 0x55, 0xa3};
    run_stribog(expected_out_streebog_512, sizeof(expected_out_streebog_512), GCRY_MD_STRIBOG512);
    printf("\n");
}
EOF

RUN gcc -o stribog stribog.c -lgcrypt

CMD ["./stribog"]