Cybersecurity, Cryptography.
%s\n",showhex(sk,CRYPTO_SECRETKEYBYTES)); printf("\nMessage: %s\n",showhex(m,MLEN)); crypto_sign(sm, &smlen, m, MLEN, sk); ret = crypto_sign_open(m2, &mlen, sm, smlen, pk); if(ret) { fprintf(stderr, "Verification failed\n"); return -1; } /* if(smlen != MLEN + CRYPTO_BYTES) { fprintf(stderr, "Signed