68 enum err msg1_gen(const struct edhoc_initiator_context *c,  in msg1_gen()  argument
74 	m1.message_1_METHOD = (int32_t)c->method;  in msg1_gen()
77 	if (c->suites_i.len == 1) {  in msg1_gen()
80 		m1.message_1_SUITES_I_int = c->suites_i.ptr[0];  in msg1_gen()
81 	} else if (c->suites_i.len > 1) {  in msg1_gen()
84 		m1.SUITES_I_suite_l_suite_count = c->suites_i.len;  in msg1_gen()
85 		for (uint32_t i = 0; i < c->suites_i.len; i++) {  in msg1_gen()
86 			m1.SUITES_I_suite_l_suite[i] = c->suites_i.ptr[i];  in msg1_gen()
91 	m1.message_1_G_X.value = c->g_x.ptr;  in msg1_gen()
92 	m1.message_1_G_X.len = c->g_x.len;  in msg1_gen()
95 	PRINT_ARRAY("C_I", c->c_i.ptr, c->c_i.len);  in msg1_gen()
96 	if (c_x_is_encoded_int(&c->c_i)) {  in msg1_gen()
98 		TRY(decode_int(&c->c_i, &m1.message_1_C_I_int));  in msg1_gen()
101 		m1.message_1_C_I_bstr.value = c->c_i.ptr;  in msg1_gen()
102 		m1.message_1_C_I_bstr.len = c->c_i.len;  in msg1_gen()
105 	if (c->ead_1.len != 0) {  in msg1_gen()
107 		m1.message_1_ead_1.value = c->ead_1.ptr;  in msg1_gen()
108 		m1.message_1_ead_1.len = c->ead_1.len;  in msg1_gen()
122 	TRY(get_suite((enum suite_label)c->suites_i.ptr[c->suites_i.len - 1],  in msg1_gen()
129 static enum err msg2_process(const struct edhoc_initiator_context *c,  in msg2_process()  argument
149 	TRY(shared_secret_derive(rc->suite.edhoc_ecdh, &c->x, &g_y, g_xy.ptr));  in msg2_process()
184 		       &c->x, PRK_3e2m->ptr));  in msg2_process()
196 		       &c->i, rc->prk_4e3m.ptr));  in msg2_process()
202 static enum err msg3_only_gen(const struct edhoc_initiator_context *c,  in msg3_only_gen()  argument
209 		       c->id_cred_i.len + AS_BSTR_SIZE(SIG_OR_MAC_SIZE) +  in msg3_only_gen()
210 			       c->ead_3.len);  in msg3_only_gen()
216 	TRY(signature_or_mac(GENERATE, static_dh_i, &rc->suite, &c->sk_i,  in msg3_only_gen()
217 			     &c->pk_i, &rc->prk_4e3m, &NULL_ARRAY, th3,  in msg3_only_gen()
218 			     &c->id_cred_i, &c->cred_i, &c->ead_3, MAC_3,  in msg3_only_gen()
222 	TRY(ciphertext_gen(CIPHERTEXT3, &rc->suite, &NULL_ARRAY, &c->id_cred_i,  in msg3_only_gen()
223 			   &sign_or_mac_3, &c->ead_3, PRK_3e2m, th3,  in msg3_only_gen()
231 	TRY(th34_calculate(rc->suite.edhoc_hash, th3, &plaintext, &c->cred_i,  in msg3_only_gen()
240 enum err msg3_gen(const struct edhoc_initiator_context *c,  in msg3_gen()  argument
245 	authentication_type_get(c->method, &static_dh_i, &static_dh_r);  in msg3_gen()
250 	TRY(msg2_process(c, rc, cred_r_array, c_r, static_dh_i, static_dh_r,  in msg3_gen()
254 	msg3_only_gen(c, rc, static_dh_i, &th3, &PRK_3e2m, prk_out);  in msg3_gen()
278 	const struct edhoc_initiator_context *c,  in edhoc_initiator_run_extended()  argument
289 	TRY(msg1_gen(c, &rc));  in edhoc_initiator_run_extended()
290 	TRY(tx(c->sock, &rc.msg));  in edhoc_initiator_run_extended()
295 	TRY(rx(c->sock, &rc.msg));  in edhoc_initiator_run_extended()
298 	TRY(msg3_gen(c, &rc, cred_r_array, c_r_bytes, prk_out));  in edhoc_initiator_run_extended()
299 	TRY(ead_process(c->params_ead_process, &rc.ead));  in edhoc_initiator_run_extended()
300 	TRY(tx(c->sock, &rc.msg));  in edhoc_initiator_run_extended()
306 	TRY(rx(c->sock, &rc.msg));  in edhoc_initiator_run_extended()
308 	TRY(ead_process(c->params_ead_process, &rc.ead));  in edhoc_initiator_run_extended()
314 	const struct edhoc_initiator_context *c,  in edhoc_initiator_run()  argument
323 	return edhoc_initiator_run_extended(c, cred_r_array, err_msg, &c_r,  in edhoc_initiator_run()