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Added pre-shared key handling for the client side of SSL / TLS

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Client side handling of the pure PSK ciphersuites is now in the base
code.
This commit is contained in:
Paul Bakker 2013-04-16 18:05:29 +02:00
parent f7abd422dc
commit d4a56ec6bf
7 changed files with 381 additions and 26 deletions
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28
include/polarssl/ssl.h
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@ -201,6 +201,7 @@
#define SSL_ALERT_MSG_NO_RENEGOTIATION 100 /* 0x64 */
#define SSL_ALERT_MSG_UNSUPPORTED_EXT 110 /* 0x6E */
#define SSL_ALERT_MSG_UNRECOGNIZED_NAME 112 /* 0x70 */
#define SSL_ALERT_MSG_UNKNOWN_PSK_IDENTITY 115 /* 0x73 */
#define SSL_HS_HELLO_REQUEST 0
#define SSL_HS_CLIENT_HELLO 1
@ -226,7 +227,6 @@
#define TLS_EXT_RENEGOTIATION_INFO 0xFF01
/*
* Generic function pointers for allowing external RSA private key
* implementations.
@ -441,6 +441,7 @@ struct _ssl_context
size_t in_hslen; /*!< current handshake message length */
int nb_zero; /*!< # of 0-length encrypted messages */
int record_read; /*!< record is already present */
/*
* Record layer (outgoing data)
@ -483,6 +484,16 @@ struct _ssl_context
mpi dhm_G; /*!< generator for DHM */
#endif
#if defined(POLARSSL_KEY_EXCHANGE_PSK_ENABLED)
/*
* PSK values
*/
const unsigned char *psk;
size_t psk_len;
const unsigned char *psk_identity;
size_t psk_identity_len;
#endif
/*
* TLS extensions
*/
@ -780,6 +791,21 @@ void ssl_set_own_cert_alt( ssl_context *ssl, x509_cert *own_cert,
rsa_sign_func rsa_sign,
rsa_key_len_func rsa_key_len );
#if defined(POLARSSL_KEY_EXCHANGE_PSK_ENABLED)
/**
* \brief Set the Pre Shared Key (PSK) and the identity name connected
* to it. The PSK is used in all PSK-based ciphersuites.
*
* \param ssl SSL context
* \param psk pointer to the pre-shared key
* \param psk_len pre-shared key length
* \param psk_identity pointer to the pre-shared key identity
* \param psk_identity_len identity key length
*/
void ssl_set_psk( ssl_context *ssl, const unsigned char *psk, size_t psk_len,
const unsigned char *psk_identity, size_t psk_identity_len );
#endif /* POLARSSL_KEY_EXCHANGE_PSK_ENABLED */
#if defined(POLARSSL_DHM_C)
/**
* \brief Set the Diffie-Hellman public P and G values,