[#OSSL_HANDSHAKE_STATE]
= OSSL_HANDSHAKE_STATE
:mrdocs:

Fine‐grained TLS/DTLS handshake state machine values reported by SSL_get_state().

== Synopsis

Declared in `<openssl/ssl.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
enum OSSL_HANDSHAKE_STATE;
----

== Members

[cols="1,4"]
|===
| Name| Description
| `TLS_ST_BEFORE` 
| No handshake has been initiated yet.
| `TLS_ST_OK` 
| Handshake completed successfully; protected application data may flow.
| `DTLS_ST_CR_HELLO_VERIFY_REQUEST` 
| Handshake completed successfully; protected application data may flow.
| `TLS_ST_CR_SRVR_HELLO` 
| Client reading ServerHello.
| `TLS_ST_CR_CERT` 
| Client reading Certificate.
| `TLS_ST_CR_COMP_CERT` 
| Client reading CompressedCertificate.
| `TLS_ST_CR_CERT_STATUS` 
| Client reading CertificateStatus (OCSP stapling).
| `TLS_ST_CR_KEY_EXCH` 
| Client reading CertificateStatus (OCSP stapling).
| `TLS_ST_CR_CERT_REQ` 
| Client reading CertificateStatus (OCSP stapling).
| `TLS_ST_CR_SRVR_DONE` 
| Client reading CertificateStatus (OCSP stapling).
| `TLS_ST_CR_SESSION_TICKET` 
| Client reading CertificateStatus (OCSP stapling).
| `TLS_ST_CR_CHANGE` 
| Client reading ChangeCipherSpec.
| `TLS_ST_CR_FINISHED` 
| Client reading ChangeCipherSpec.
| `TLS_ST_CW_CLNT_HELLO` 
| Client writing ClientHello.
| `TLS_ST_CW_CERT` 
| Client writing ClientHello.
| `TLS_ST_CW_COMP_CERT` 
| Client writing CompressedCertificate.
| `TLS_ST_CW_KEY_EXCH` 
| Client writing ClientKeyExchange.
| `TLS_ST_CW_CERT_VRFY` 
| Client writing ClientKeyExchange.
| `TLS_ST_CW_CHANGE` 
| Client writing ClientKeyExchange.
| `TLS_ST_CW_NEXT_PROTO` 
| Client writing ClientKeyExchange.
| `TLS_ST_CW_FINISHED` 
| Client writing ClientKeyExchange.
| `TLS_ST_SW_HELLO_REQ` 
| Client writing ClientKeyExchange.
| `TLS_ST_SR_CLNT_HELLO` 
| Client writing ClientKeyExchange.
| `DTLS_ST_SW_HELLO_VERIFY_REQUEST` 
| DTLS server writing HelloVerifyRequest.
| `TLS_ST_SW_SRVR_HELLO` 
| DTLS server writing HelloVerifyRequest.
| `TLS_ST_SW_CERT` 
| DTLS server writing HelloVerifyRequest.
| `TLS_ST_SW_COMP_CERT` 
| Server writing CompressedCertificate.
| `TLS_ST_SW_KEY_EXCH` 
| Server writing ServerKeyExchange.
| `TLS_ST_SW_CERT_REQ` 
| Server writing CertificateRequest.
| `TLS_ST_SW_SRVR_DONE` 
| Server writing ServerHelloDone.
| `TLS_ST_SR_CERT` 
| Server writing ServerHelloDone.
| `TLS_ST_SR_COMP_CERT` 
| Server writing ServerHelloDone.
| `TLS_ST_SR_KEY_EXCH` 
| Server writing ServerHelloDone.
| `TLS_ST_SR_CERT_VRFY` 
| Server writing ServerHelloDone.
| `TLS_ST_SR_NEXT_PROTO` 
| Server writing ServerHelloDone.
| `TLS_ST_SR_CHANGE` 
| Server reading ChangeCipherSpec.
| `TLS_ST_SR_FINISHED` 
| Server reading ChangeCipherSpec.
| `TLS_ST_SW_SESSION_TICKET` 
| Server reading ChangeCipherSpec.
| `TLS_ST_SW_CERT_STATUS` 
| Server reading ChangeCipherSpec.
| `TLS_ST_SW_CHANGE` 
| Server reading ChangeCipherSpec.
| `TLS_ST_SW_FINISHED` 
| Server reading ChangeCipherSpec.
| `TLS_ST_SW_ENCRYPTED_EXTENSIONS` 
| Server reading ChangeCipherSpec.
| `TLS_ST_CR_ENCRYPTED_EXTENSIONS` 
| Server reading ChangeCipherSpec.
| `TLS_ST_CR_CERT_VRFY` 
| Server reading ChangeCipherSpec.
| `TLS_ST_SW_CERT_VRFY` 
| Server reading ChangeCipherSpec.
| `TLS_ST_CR_HELLO_REQ` 
| Server reading ChangeCipherSpec.
| `TLS_ST_SW_KEY_UPDATE` 
| Server reading ChangeCipherSpec.
| `TLS_ST_CW_KEY_UPDATE` 
| Server reading ChangeCipherSpec.
| `TLS_ST_SR_KEY_UPDATE` 
| Server reading ChangeCipherSpec.
| `TLS_ST_CR_KEY_UPDATE` 
| Server reading ChangeCipherSpec.
| `TLS_ST_EARLY_DATA` 
| Server reading ChangeCipherSpec.
| `TLS_ST_PENDING_EARLY_DATA_END` 
| Server reading ChangeCipherSpec.
| `TLS_ST_CW_END_OF_EARLY_DATA` 
| Server reading ChangeCipherSpec.
| `TLS_ST_SR_END_OF_EARLY_DATA` 
| Server reading ChangeCipherSpec.
|===



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