+#ifndef OPENSSL_NO_SRP
+ if (alg_k & SSL_kSRP)
+ {
+ param_len = 2;
+ if (param_len > n)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,
+ SSL_R_LENGTH_TOO_SHORT);
+ goto f_err;
+ }
+ n2s(p,i);
+
+ if (i > n - param_len)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SRP_N_LENGTH);
+ goto f_err;
+ }
+ param_len += i;
+
+ if (!(s->srp_ctx.N=BN_bin2bn(p,i,NULL)))
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);
+ goto err;
+ }
+ p+=i;
+
+
+ if (2 > n - param_len)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,
+ SSL_R_LENGTH_TOO_SHORT);
+ goto f_err;
+ }
+ param_len += 2;
+
+ n2s(p,i);
+
+ if (i > n - param_len)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SRP_G_LENGTH);
+ goto f_err;
+ }
+ param_len += i;
+
+ if (!(s->srp_ctx.g=BN_bin2bn(p,i,NULL)))
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);
+ goto err;
+ }
+ p+=i;
+
+
+ if (1 > n - param_len)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,
+ SSL_R_LENGTH_TOO_SHORT);
+ goto f_err;
+ }
+ param_len += 1;
+
+ i = (unsigned int)(p[0]);
+ p++;
+
+ if (i > n - param_len)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SRP_S_LENGTH);
+ goto f_err;
+ }
+ param_len += i;
+
+ if (!(s->srp_ctx.s=BN_bin2bn(p,i,NULL)))
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);
+ goto err;
+ }
+ p+=i;
+
+ if (2 > n - param_len)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,
+ SSL_R_LENGTH_TOO_SHORT);
+ goto f_err;
+ }
+ param_len += 2;
+
+ n2s(p,i);
+
+ if (i > n - param_len)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SRP_B_LENGTH);
+ goto f_err;
+ }
+ param_len += i;
+
+ if (!(s->srp_ctx.B=BN_bin2bn(p,i,NULL)))
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);
+ goto err;
+ }
+ p+=i;
+ n-=param_len;
+
+ if (!srp_verify_server_param(s, &al))
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SRP_PARAMETERS);
+ goto f_err;
+ }
+
+/* We must check if there is a certificate */
+#ifndef OPENSSL_NO_RSA
+ if (alg_a & SSL_aRSA)
+ pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);
+#else
+ if (0)
+ ;
+#endif
+#ifndef OPENSSL_NO_DSA
+ else if (alg_a & SSL_aDSS)
+ pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_DSA_SIGN].x509);
+#endif
+ }
+ else
+#endif /* !OPENSSL_NO_SRP */