mirror/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2024-12-27 12:16:07 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

programs_rsa_rsa_verify: Updated program to use mbedtls_rsa_get_len()

Browse Source 
Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
This commit is contained in:
Minos Galanakis 2024-01-12 15:13:47 +00:00
parent 992f0b8427
commit 6e92df12c2
1 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
programs/pkey/rsa_verify.c
View File

@ -37,11 +37,14 @@ int main(int argc, char *argv[])
int exit_code = MBEDTLS_EXIT_FAILURE;
size_t i;
mbedtls_rsa_context rsa;
mbedtls_mpi N, E;
unsigned char hash[32];
unsigned char buf[MBEDTLS_MPI_MAX_SIZE];
char filename[512];
mbedtls_rsa_init(&rsa);
mbedtls_mpi_init(&N);
mbedtls_mpi_init(&E);
if (argc != 2) {
mbedtls_printf("usage: rsa_verify <filename>\n");
@ -62,15 +65,13 @@ int main(int argc, char *argv[])
goto exit;
}
if ((ret = mbedtls_mpi_read_file(&rsa.MBEDTLS_PRIVATE(N), 16, f)) != 0 ||
(ret = mbedtls_mpi_read_file(&rsa.MBEDTLS_PRIVATE(E), 16, f)) != 0) {
if ((ret = mbedtls_mpi_read_file(&N, 16, f)) != 0 ||
(ret = mbedtls_mpi_read_file(&E, 16, f)) != 0 ||
(ret = mbedtls_rsa_import(&rsa, &N, NULL, NULL, NULL, &E) != 0)) {
mbedtls_printf(" failed\n ! mbedtls_mpi_read_file returned %d\n\n", ret);
fclose(f);
goto exit;
}
rsa.MBEDTLS_PRIVATE(len) = (mbedtls_mpi_bitlen(&rsa.MBEDTLS_PRIVATE(N)) + 7) >> 3;
fclose(f);
/*
@ -91,7 +92,7 @@ int main(int argc, char *argv[])
fclose(f);
if (i != rsa.MBEDTLS_PRIVATE(len)) {
if (i != mbedtls_rsa_get_len(&rsa)) {
mbedtls_printf("\n ! Invalid RSA signature format\n\n");
goto exit;
}
@ -124,6 +125,8 @@ int main(int argc, char *argv[])
exit:
mbedtls_rsa_free(&rsa);
mbedtls_mpi_free(&N);
mbedtls_mpi_free(&E);
mbedtls_exit(exit_code);
}