Skip to content

Add support for client certificate and private key #992

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 4 commits into from
Nov 13, 2025
Merged

Add support for client certificate and private key #992

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
a1bea8b
MbedSSLClient: add setCACert, setCertificate, setPrivateKey
pennam Nov 8, 2024
9031045
MbedSSLClient: rename snake_case variable to camelCase
pennam Nov 8, 2024
bf25224
MbedSSLSE050Client: fix build for Nicla Vision
pennam Nov 8, 2024
8edb115
MbedSSLClient: specify functions that need to be called before connect
pennam Nov 13, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
21 changes: 21 additions & 0 deletions libraries/SocketWrapper/src/AClient.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -143,3 +143,24 @@ void arduino::ASslClient::appendCustomCACert(const char* ca_cert) {
}
static_cast<MbedSSLClient*>(client.get())->appendCustomCACert(ca_cert);
}

void arduino::ASslClient::setCACert(const char* rootCA) {
if (!client) {
newMbedClient();
}
static_cast<MbedSSLClient*>(client.get())->setCACert(rootCA);
}

void arduino::ASslClient::setCertificate(const char* clientCert) {
if (!client) {
newMbedClient();
}
static_cast<MbedSSLClient*>(client.get())->setCertificate(clientCert);
}

void arduino::ASslClient::setPrivateKey(const char* privateKey) {
if (!client) {
newMbedClient();
}
static_cast<MbedSSLClient*>(client.get())->setPrivateKey(privateKey);
}
3 changes: 3 additions & 0 deletions libraries/SocketWrapper/src/AClient.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,9 @@ class ASslClient : public AClient {
void disableSNI(bool statusSNI);

void appendCustomCACert(const char* ca_cert);
void setCACert(const char* rootCA);
void setCertificate(const char* clientCert);
void setPrivateKey(const char* privateKey);

protected:
virtual void newMbedClient();
Expand Down
5 changes: 4 additions & 1 deletion libraries/SocketWrapper/src/MbedSSLClient.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,10 @@
arduino::MbedSSLClient::MbedSSLClient()
: _ca_cert_custom(nullptr),
_hostname(nullptr),
_disableSNI(false) {
_clientCert(nullptr),
_privateKey(nullptr),
_disableSNI(false),
_appendCA(true) {

onBeforeConnect(mbed::callback(this, &MbedSSLClient::setRootCA));
};
33 changes: 29 additions & 4 deletions libraries/SocketWrapper/src/MbedSSLClient.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -50,17 +50,46 @@ class MbedSSLClient : public arduino::MbedClient {

void appendCustomCACert(const char* ca_cert) {
_ca_cert_custom = ca_cert;
_appendCA = true;
}
void setCACert(const char* rootCA) {
_ca_cert_custom = rootCA;
_appendCA = false;
}
void setCertificate(const char* clientCert) {
_clientCert = clientCert;
}
void setPrivateKey(const char* privateKey) {
_privateKey = privateKey;
}

protected:
const char* _ca_cert_custom;
const char* _hostname;
const char* _clientCert;
const char* _privateKey;
bool _disableSNI;
bool _appendCA;

private:
int setRootCA() {
int err = 0;

if(_hostname && !_disableSNI) {
((TLSSocket*)sock)->set_hostname(_hostname);
}

if(_clientCert && _privateKey) {
err = ((TLSSocket*)sock)->set_client_cert_key(_clientCert, _privateKey);
if( err != NSAPI_ERROR_OK) {
return err;
}
}

if(!_appendCA && _ca_cert_custom) {
return ((TLSSocket*)sock)->set_root_ca_cert(_ca_cert_custom);
}

#if defined(MBEDTLS_FS_IO)
mbed::BlockDevice* root = mbed::BlockDevice::get_default_instance();
err = root->init();
Expand All @@ -82,10 +111,6 @@ class MbedSSLClient : public arduino::MbedClient {
}
#endif

if(_hostname && !_disableSNI) {
((TLSSocket*)sock)->set_hostname(_hostname);
}

if(_ca_cert_custom != NULL) {
err = ((TLSSocket*)sock)->append_root_ca_cert(_ca_cert_custom);
}
Expand Down