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debug: add support for printing the new EC raw format

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Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti 2023-05-17 15:35:46 +02:00
parent a1b8af6869
commit 7ca7b90bc7
1 changed files with 51 additions and 0 deletions
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51
library/debug.c
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@ -194,6 +194,52 @@ void mbedtls_debug_print_ecp(const mbedtls_ssl_context *ssl, int level,
}
#endif /* MBEDTLS_ECP_LIGHT */
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
void mbedtls_debug_print_psa_ec(const mbedtls_ssl_context *ssl, int level,
const char *file, int line,
const char *text, const mbedtls_pk_context *pk)
{
char str[DEBUG_BUF_SIZE];
mbedtls_mpi mpi;
const uint8_t *mpi_start;
size_t mpi_len;
int ret;
if (NULL == ssl ||
NULL == ssl->conf ||
NULL == ssl->conf->f_dbg ||
level > debug_threshold) {
return;
}
/* For the description of pk->pk_raw content please refer to the description
* psa_export_public_key() function. */
mpi_len = (pk->pub_raw_len - 1)/2;
/* X coordinate */
mbedtls_mpi_init(&mpi);
mpi_start = pk->pub_raw + 1;
ret = mbedtls_mpi_read_binary(&mpi, mpi_start, mpi_len);
if (ret != 0) {
return;
}
mbedtls_snprintf(str, sizeof(str), "%s(X)", text);
mbedtls_debug_print_mpi(ssl, level, file, line, str, &mpi);
mbedtls_mpi_free(&mpi);
/* Y coordinate */
mbedtls_mpi_init(&mpi);
mpi_start = mpi_start + mpi_len;
ret = mbedtls_mpi_read_binary(&mpi, mpi_start, mpi_len);
if (ret != 0) {
return;
}
mbedtls_snprintf(str, sizeof(str), "%s(Y)", text);
mbedtls_debug_print_mpi(ssl, level, file, line, str, &mpi);
mbedtls_mpi_free(&mpi);
}
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
#if defined(MBEDTLS_BIGNUM_C)
void mbedtls_debug_print_mpi(const mbedtls_ssl_context *ssl, int level,
const char *file, int line,
@ -277,6 +323,11 @@ static void debug_print_pk(const mbedtls_ssl_context *ssl, int level,
if (items[i].type == MBEDTLS_PK_DEBUG_ECP) {
mbedtls_debug_print_ecp(ssl, level, file, line, name, items[i].value);
} else
#endif
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
if (items[i].type == MBEDTLS_PK_DEBUG_PSA_EC) {
mbedtls_debug_print_psa_ec(ssl, level, file, line, name, items[i].value);
} else
#endif
{ debug_send_line(ssl, level, file, line,
"should not happen\n"); }