32 #define mbedtls_printf     printf  macro
62     mbedtls_printf("MBEDTLS_ECDSA_C and/or MBEDTLS_SHA256_C and/or "  in main()
72     mbedtls_printf( "%s", title );  in dump_buf()
74         mbedtls_printf("%c%c", "0123456789ABCDEF" [buf[i] / 16],  in dump_buf()
76     mbedtls_printf( "\n" );  in dump_buf()
87         mbedtls_printf("internal error\n");  in dump_pubkey()
119         mbedtls_printf( "usage: ecdsa\n" );  in main()
122         mbedtls_printf( "\n" );  in main()
131     mbedtls_printf( "\n  . Seeding the random number generator..." );  in main()
139         mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );  in main()
143     mbedtls_printf( " ok\n  . Generating key pair..." );  in main()
149         mbedtls_printf( " failed\n  ! mbedtls_ecdsa_genkey returned %d\n", ret );  in main()
153     mbedtls_printf( " ok (key size: %d bits)\n", (int) ctx_sign.grp.pbits );  in main()
160     mbedtls_printf( "  . Signing message..." );  in main()
168         mbedtls_printf( " failed\n  ! mbedtls_ecdsa_genkey returned %d\n", ret );  in main()
171     mbedtls_printf( " ok (signature length = %u)\n", (unsigned int) sig_len );  in main()
183     mbedtls_printf( "  . Preparing verification context..." );  in main()
188         mbedtls_printf( " failed\n  ! mbedtls_ecp_group_copy returned %d\n", ret );  in main()
194         mbedtls_printf( " failed\n  ! mbedtls_ecp_copy returned %d\n", ret );  in main()
203     mbedtls_printf( " ok\n  . Verifying signature..." );  in main()
210         mbedtls_printf( " failed\n  ! mbedtls_ecdsa_read_signature returned %d\n", ret );  in main()
214     mbedtls_printf( " ok\n" );  in main()
219     mbedtls_printf( "  + Press Enter to exit this program.\n" );  in main()