ssl/s3_srvr.c:342: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned64 by call to `ssl3_send_server_certificate`.
Showing all 13 steps of the trace


ssl/s3_srvr.c:187:1: Parameter `s->cert->rsa_tmp->n->top`
185.   			ssl3_get_server_method)
186.   
187. > int ssl3_accept(SSL *s)
188.   	{
189.   	BUF_MEM *buf;

ssl/s3_srvr.c:342:9: Call
340.   				&& !(s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5))
341.   				{
342.   				ret=ssl3_send_server_certificate(s);
               ^
343.   				if (ret <= 0) goto end;
344.   #ifndef OPENSSL_NO_TLSEXT

ssl/s3_srvr.c:2822:1: Parameter `s->cert->rsa_tmp->n->top`
  2820.   	}
  2821.   
  2822. > int ssl3_send_server_certificate(SSL *s)
  2823.   	{
  2824.   	unsigned long l;

ssl/s3_srvr.c:2829:5: Call
  2827.   	if (s->state == SSL3_ST_SW_CERT_A)
  2828.   		{
  2829.   		x=ssl_get_server_send_cert(s);
              ^
  2830.   		if (x == NULL)
  2831.   			{

ssl/ssl_lib.c:2038:1: Parameter `s->cert->rsa_tmp->n->top`
    2036.   
    2037.   /* THIS NEEDS CLEANING UP */
    2038. > X509 *ssl_get_server_send_cert(SSL *s)
    2039.   	{
    2040.   	unsigned long alg_k,alg_a,mask_k,mask_a;

ssl/ssl_lib.c:2045:2: Call
    2043.   
    2044.   	c=s->cert;
    2045.   	ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
             ^
    2046.   	is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
    2047.   	if (is_export)

ssl/ssl_lib.c:1754:1: Parameter `c->rsa_tmp->n->top`
      1752.   	}
      1753.   
      1754. > void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
      1755.   	{
      1756.   	CERT_PKEY *cpk;

ssl/ssl_lib.c:1776:15: Call
      1774.   	rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
      1775.   	rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
      1776.   		(rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
                            ^
      1777.   #else
      1778.   	rsa_tmp=rsa_tmp_export=0;

crypto/rsa/rsa_lib.c:274:1: Parameter `r->n->top`
        272.   	}
        273.   
        274. > int RSA_size(const RSA *r)
        275.   	{
        276.   	return(BN_num_bytes(r->n));

crypto/rsa/rsa_lib.c:276:9: Call
        274.   int RSA_size(const RSA *r)
        275.   	{
        276.   	return(BN_num_bytes(r->n));
                       ^
        277.   	}
        278.   

crypto/bn/bn_lib.c:248:1: <LHS trace>
246.   	}
247.   
248. > int BN_num_bits(const BIGNUM *a)
249.   	{
250.   	int i = a->top - 1;

crypto/bn/bn_lib.c:248:1: Parameter `a->top`
          246.   	}
          247.   
          248. > int BN_num_bits(const BIGNUM *a)
          249.   	{
          250.   	int i = a->top - 1;

crypto/bn/bn_lib.c:250:2: Binary operation: ([0, +oo] - 1):unsigned64 by call to `ssl3_send_server_certificate` 
          248.   int BN_num_bits(const BIGNUM *a)
          249.   	{
          250.   	int i = a->top - 1;
                  ^
          251.   	bn_check_top(a);
          252.   

int BN_num_bits(const BIGNUM *a)
	{
	int i = a->top - 1;
	bn_check_top(a);
	if (BN_is_zero(a)) return 0;
	return ((i*BN_BITS2) + BN_num_bits_word(a->d[i]));
	}
['int ssl3_accept(SSL *s)\n\t{\n\tBUF_MEM *buf;\n\tunsigned long alg_k,Time=(unsigned long)time(NULL);\n\tvoid (*cb)(const SSL *ssl,int type,int val)=NULL;\n\tlong num1;\n\tint ret= -1;\n\tint new_state,state,skip=0;\n\tRAND_add(&Time,sizeof(Time),0);\n\tERR_clear_error();\n\tclear_sys_error();\n\tif (s->info_callback != NULL)\n\t\tcb=s->info_callback;\n\telse if (s->ctx->info_callback != NULL)\n\t\tcb=s->ctx->info_callback;\n\ts->in_handshake++;\n\tif (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s);\n\tif (s->cert == NULL)\n\t\t{\n\t\tSSLerr(SSL_F_SSL3_ACCEPT,SSL_R_NO_CERTIFICATE_SET);\n\t\treturn(-1);\n\t\t}\n\tfor (;;)\n\t\t{\n\t\tstate=s->state;\n\t\tswitch (s->state)\n\t\t\t{\n\t\tcase SSL_ST_RENEGOTIATE:\n\t\t\ts->new_session=1;\n\t\tcase SSL_ST_BEFORE:\n\t\tcase SSL_ST_ACCEPT:\n\t\tcase SSL_ST_BEFORE|SSL_ST_ACCEPT:\n\t\tcase SSL_ST_OK|SSL_ST_ACCEPT:\n\t\t\ts->server=1;\n\t\t\tif (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);\n\t\t\tif ((s->version>>8) != 3)\n\t\t\t\t{\n\t\t\t\tSSLerr(SSL_F_SSL3_ACCEPT, ERR_R_INTERNAL_ERROR);\n\t\t\t\treturn -1;\n\t\t\t\t}\n\t\t\ts->type=SSL_ST_ACCEPT;\n\t\t\tif (s->init_buf == NULL)\n\t\t\t\t{\n\t\t\t\tif ((buf=BUF_MEM_new()) == NULL)\n\t\t\t\t\t{\n\t\t\t\t\tret= -1;\n\t\t\t\t\tgoto end;\n\t\t\t\t\t}\n\t\t\t\tif (!BUF_MEM_grow(buf,SSL3_RT_MAX_PLAIN_LENGTH))\n\t\t\t\t\t{\n\t\t\t\t\tret= -1;\n\t\t\t\t\tgoto end;\n\t\t\t\t\t}\n\t\t\t\ts->init_buf=buf;\n\t\t\t\t}\n\t\t\tif (!ssl3_setup_buffers(s))\n\t\t\t\t{\n\t\t\t\tret= -1;\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\ts->init_num=0;\n\t\t\tif (s->state != SSL_ST_RENEGOTIATE)\n\t\t\t\t{\n\t\t\t\tif (!ssl_init_wbio_buffer(s,1)) { ret= -1; goto end; }\n\t\t\t\tssl3_init_finished_mac(s);\n\t\t\t\ts->state=SSL3_ST_SR_CLNT_HELLO_A;\n\t\t\t\ts->ctx->stats.sess_accept++;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\ts->ctx->stats.sess_accept_renegotiate++;\n\t\t\t\ts->state=SSL3_ST_SW_HELLO_REQ_A;\n\t\t\t\t}\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_HELLO_REQ_A:\n\t\tcase SSL3_ST_SW_HELLO_REQ_B:\n\t\t\ts->shutdown=0;\n\t\t\tret=ssl3_send_hello_request(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->s3->tmp.next_state=SSL3_ST_SW_HELLO_REQ_C;\n\t\t\ts->state=SSL3_ST_SW_FLUSH;\n\t\t\ts->init_num=0;\n\t\t\tssl3_init_finished_mac(s);\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_HELLO_REQ_C:\n\t\t\ts->state=SSL_ST_OK;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_CLNT_HELLO_A:\n\t\tcase SSL3_ST_SR_CLNT_HELLO_B:\n\t\tcase SSL3_ST_SR_CLNT_HELLO_C:\n\t\t\ts->shutdown=0;\n\t\t\tret=ssl3_get_client_hello(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->new_session = 2;\n\t\t\ts->state=SSL3_ST_SW_SRVR_HELLO_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_SRVR_HELLO_A:\n\t\tcase SSL3_ST_SW_SRVR_HELLO_B:\n\t\t\tret=ssl3_send_server_hello(s);\n\t\t\tif (ret <= 0) goto end;\n#ifndef OPENSSL_NO_TLSEXT\n\t\t\tif (s->hit)\n\t\t\t\t{\n\t\t\t\tif (s->tlsext_ticket_expected)\n\t\t\t\t\ts->state=SSL3_ST_SW_SESSION_TICKET_A;\n\t\t\t\telse\n\t\t\t\t\ts->state=SSL3_ST_SW_CHANGE_A;\n\t\t\t\t}\n#else\n\t\t\tif (s->hit)\n\t\t\t\t\ts->state=SSL3_ST_SW_CHANGE_A;\n#endif\n\t\t\telse\n\t\t\t\ts->state=SSL3_ST_SW_CERT_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_CERT_A:\n\t\tcase SSL3_ST_SW_CERT_B:\n\t\t\tif (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL)\n\t\t\t\t&& !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK)\n\t\t\t\t&& !(s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5))\n\t\t\t\t{\n\t\t\t\tret=ssl3_send_server_certificate(s);\n\t\t\t\tif (ret <= 0) goto end;\n#ifndef OPENSSL_NO_TLSEXT\n\t\t\t\tif (s->tlsext_status_expected)\n\t\t\t\t\ts->state=SSL3_ST_SW_CERT_STATUS_A;\n\t\t\t\telse\n\t\t\t\t\ts->state=SSL3_ST_SW_KEY_EXCH_A;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tskip = 1;\n\t\t\t\ts->state=SSL3_ST_SW_KEY_EXCH_A;\n\t\t\t\t}\n#else\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tskip=1;\n\t\t\ts->state=SSL3_ST_SW_KEY_EXCH_A;\n#endif\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_KEY_EXCH_A:\n\t\tcase SSL3_ST_SW_KEY_EXCH_B:\n\t\t\talg_k = s->s3->tmp.new_cipher->algorithm_mkey;\n\t\t\tif ((s->options & SSL_OP_EPHEMERAL_RSA)\n#ifndef OPENSSL_NO_KRB5\n\t\t\t\t&& !(alg_k & SSL_kKRB5)\n#endif\n\t\t\t\t)\n\t\t\t\ts->s3->tmp.use_rsa_tmp=1;\n\t\t\telse\n\t\t\t\ts->s3->tmp.use_rsa_tmp=0;\n\t\t\tif (s->s3->tmp.use_rsa_tmp\n#ifndef OPENSSL_NO_PSK\n\t\t\t    || ((alg_k & SSL_kPSK) && s->ctx->psk_identity_hint)\n#endif\n\t\t\t    || (alg_k & (SSL_kDHr|SSL_kDHd|SSL_kEDH))\n\t\t\t    || (alg_k & SSL_kEECDH)\n\t\t\t    || ((alg_k & SSL_kRSA)\n\t\t\t\t&& (s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL\n\t\t\t\t    || (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher)\n\t\t\t\t\t&& EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher)\n\t\t\t\t\t)\n\t\t\t\t    )\n\t\t\t\t)\n\t\t\t    )\n\t\t\t\t{\n\t\t\t\tret=ssl3_send_server_key_exchange(s);\n\t\t\t\tif (ret <= 0) goto end;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\tskip=1;\n\t\t\ts->state=SSL3_ST_SW_CERT_REQ_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_CERT_REQ_A:\n\t\tcase SSL3_ST_SW_CERT_REQ_B:\n\t\t\tif (\n\t\t\t\t!(s->verify_mode & SSL_VERIFY_PEER) ||\n\t\t\t\t((s->session->peer != NULL) &&\n\t\t\t\t (s->verify_mode & SSL_VERIFY_CLIENT_ONCE)) ||\n\t\t\t\t((s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) &&\n\t\t\t\t !(s->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT)) ||\n\t\t\t\t(s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5)\n\t\t\t\t|| (s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK))\n\t\t\t\t{\n\t\t\t\tskip=1;\n\t\t\t\ts->s3->tmp.cert_request=0;\n\t\t\t\ts->state=SSL3_ST_SW_SRVR_DONE_A;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\ts->s3->tmp.cert_request=1;\n\t\t\t\tret=ssl3_send_certificate_request(s);\n\t\t\t\tif (ret <= 0) goto end;\n#ifndef NETSCAPE_HANG_BUG\n\t\t\t\ts->state=SSL3_ST_SW_SRVR_DONE_A;\n#else\n\t\t\t\ts->state=SSL3_ST_SW_FLUSH;\n\t\t\t\ts->s3->tmp.next_state=SSL3_ST_SR_CERT_A;\n#endif\n\t\t\t\ts->init_num=0;\n\t\t\t\t}\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_SRVR_DONE_A:\n\t\tcase SSL3_ST_SW_SRVR_DONE_B:\n\t\t\tret=ssl3_send_server_done(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->s3->tmp.next_state=SSL3_ST_SR_CERT_A;\n\t\t\ts->state=SSL3_ST_SW_FLUSH;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_FLUSH:\n\t\t\tnum1=BIO_ctrl(s->wbio,BIO_CTRL_INFO,0,NULL);\n\t\t\tif (num1 > 0)\n\t\t\t\t{\n\t\t\t\ts->rwstate=SSL_WRITING;\n\t\t\t\tnum1=BIO_flush(s->wbio);\n\t\t\t\tif (num1 <= 0) { ret= -1; goto end; }\n\t\t\t\ts->rwstate=SSL_NOTHING;\n\t\t\t\t}\n\t\t\ts->state=s->s3->tmp.next_state;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_CERT_A:\n\t\tcase SSL3_ST_SR_CERT_B:\n\t\t\tret = ssl3_check_client_hello(s);\n\t\t\tif (ret <= 0)\n\t\t\t\tgoto end;\n\t\t\tif (ret == 2)\n\t\t\t\ts->state = SSL3_ST_SR_CLNT_HELLO_C;\n\t\t\telse {\n\t\t\t\tif (s->s3->tmp.cert_request)\n\t\t\t\t\t{\n\t\t\t\t\tret=ssl3_get_client_certificate(s);\n\t\t\t\t\tif (ret <= 0) goto end;\n\t\t\t\t\t}\n\t\t\t\ts->init_num=0;\n\t\t\t\ts->state=SSL3_ST_SR_KEY_EXCH_A;\n\t\t\t}\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_KEY_EXCH_A:\n\t\tcase SSL3_ST_SR_KEY_EXCH_B:\n\t\t\tret=ssl3_get_client_key_exchange(s);\n\t\t\tif (ret <= 0)\n\t\t\t\tgoto end;\n\t\t\tif (ret == 2)\n\t\t\t\t{\n\t\t\t\ts->state=SSL3_ST_SR_FINISHED_A;\n\t\t\t\ts->init_num = 0;\n\t\t\t\t}\n\t\t\telse\n\t\t\t\t{\n\t\t\t\tint offset=0;\n\t\t\t\tint dgst_num;\n\t\t\t\ts->state=SSL3_ST_SR_CERT_VRFY_A;\n\t\t\t\ts->init_num=0;\n\t\t\t\tif (s->s3->handshake_buffer)\n\t\t\t\t\tssl3_digest_cached_records(s);\n\t\t\t\tfor (dgst_num=0; dgst_num<SSL_MAX_DIGEST;dgst_num++)\n\t\t\t\t\tif (s->s3->handshake_dgst[dgst_num])\n\t\t\t\t\t\t{\n\t\t\t\t\t\ts->method->ssl3_enc->cert_verify_mac(s,EVP_MD_CTX_type(s->s3->handshake_dgst[dgst_num]),&(s->s3->tmp.cert_verify_md[offset]));\n\t\t\t\t\t\toffset+=EVP_MD_CTX_size(s->s3->handshake_dgst[dgst_num]);\n\t\t\t\t\t\t}\n\t\t\t\t}\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_CERT_VRFY_A:\n\t\tcase SSL3_ST_SR_CERT_VRFY_B:\n\t\t\tret=ssl3_get_cert_verify(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_SR_FINISHED_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SR_FINISHED_A:\n\t\tcase SSL3_ST_SR_FINISHED_B:\n\t\t\tret=ssl3_get_finished(s,SSL3_ST_SR_FINISHED_A,\n\t\t\t\tSSL3_ST_SR_FINISHED_B);\n\t\t\tif (ret <= 0) goto end;\n#ifndef OPENSSL_NO_TLSEXT\n\t\t\tif (s->tlsext_ticket_expected)\n\t\t\t\ts->state=SSL3_ST_SW_SESSION_TICKET_A;\n\t\t\telse if (s->hit)\n\t\t\t\ts->state=SSL_ST_OK;\n#else\n\t\t\tif (s->hit)\n\t\t\t\ts->state=SSL_ST_OK;\n#endif\n\t\t\telse\n\t\t\t\ts->state=SSL3_ST_SW_CHANGE_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n#ifndef OPENSSL_NO_TLSEXT\n\t\tcase SSL3_ST_SW_SESSION_TICKET_A:\n\t\tcase SSL3_ST_SW_SESSION_TICKET_B:\n\t\t\tret=ssl3_send_newsession_ticket(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_SW_CHANGE_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_CERT_STATUS_A:\n\t\tcase SSL3_ST_SW_CERT_STATUS_B:\n\t\t\tret=ssl3_send_cert_status(s);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_SW_KEY_EXCH_A;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n#endif\n\t\tcase SSL3_ST_SW_CHANGE_A:\n\t\tcase SSL3_ST_SW_CHANGE_B:\n\t\t\ts->session->cipher=s->s3->tmp.new_cipher;\n\t\t\tif (!s->method->ssl3_enc->setup_key_block(s))\n\t\t\t\t{ ret= -1; goto end; }\n\t\t\tret=ssl3_send_change_cipher_spec(s,\n\t\t\t\tSSL3_ST_SW_CHANGE_A,SSL3_ST_SW_CHANGE_B);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_SW_FINISHED_A;\n\t\t\ts->init_num=0;\n\t\t\tif (!s->method->ssl3_enc->change_cipher_state(s,\n\t\t\t\tSSL3_CHANGE_CIPHER_SERVER_WRITE))\n\t\t\t\t{\n\t\t\t\tret= -1;\n\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tbreak;\n\t\tcase SSL3_ST_SW_FINISHED_A:\n\t\tcase SSL3_ST_SW_FINISHED_B:\n\t\t\tret=ssl3_send_finished(s,\n\t\t\t\tSSL3_ST_SW_FINISHED_A,SSL3_ST_SW_FINISHED_B,\n\t\t\t\ts->method->ssl3_enc->server_finished_label,\n\t\t\t\ts->method->ssl3_enc->server_finished_label_len);\n\t\t\tif (ret <= 0) goto end;\n\t\t\ts->state=SSL3_ST_SW_FLUSH;\n\t\t\tif (s->hit)\n\t\t\t\ts->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A;\n\t\t\telse\n\t\t\t\ts->s3->tmp.next_state=SSL_ST_OK;\n\t\t\ts->init_num=0;\n\t\t\tbreak;\n\t\tcase SSL_ST_OK:\n\t\t\tssl3_cleanup_key_block(s);\n\t\t\tBUF_MEM_free(s->init_buf);\n\t\t\ts->init_buf=NULL;\n\t\t\tssl_free_wbio_buffer(s);\n\t\t\ts->init_num=0;\n\t\t\tif (s->new_session == 2)\n\t\t\t\t{\n\t\t\t\ts->new_session=0;\n\t\t\t\tssl_update_cache(s,SSL_SESS_CACHE_SERVER);\n\t\t\t\ts->ctx->stats.sess_accept_good++;\n\t\t\t\ts->handshake_func=ssl3_accept;\n\t\t\t\tif (cb != NULL) cb(s,SSL_CB_HANDSHAKE_DONE,1);\n\t\t\t\t}\n\t\t\tret = 1;\n\t\t\tgoto end;\n\t\tdefault:\n\t\t\tSSLerr(SSL_F_SSL3_ACCEPT,SSL_R_UNKNOWN_STATE);\n\t\t\tret= -1;\n\t\t\tgoto end;\n\t\t\t}\n\t\tif (!s->s3->tmp.reuse_message && !skip)\n\t\t\t{\n\t\t\tif (s->debug)\n\t\t\t\t{\n\t\t\t\tif ((ret=BIO_flush(s->wbio)) <= 0)\n\t\t\t\t\tgoto end;\n\t\t\t\t}\n\t\t\tif ((cb != NULL) && (s->state != state))\n\t\t\t\t{\n\t\t\t\tnew_state=s->state;\n\t\t\t\ts->state=state;\n\t\t\t\tcb(s,SSL_CB_ACCEPT_LOOP,1);\n\t\t\t\ts->state=new_state;\n\t\t\t\t}\n\t\t\t}\n\t\tskip=0;\n\t\t}\nend:\n\ts->in_handshake--;\n\tif (cb != NULL)\n\t\tcb(s,SSL_CB_ACCEPT_EXIT,ret);\n\treturn(ret);\n\t}', 'int ssl3_send_server_certificate(SSL *s)\n\t{\n\tunsigned long l;\n\tX509 *x;\n\tif (s->state == SSL3_ST_SW_CERT_A)\n\t\t{\n\t\tx=ssl_get_server_send_cert(s);\n\t\tif (x == NULL)\n\t\t\t{\n\t\t\tif ((s->s3->tmp.new_cipher->algorithm_auth != SSL_aKRB5) ||\n\t\t\t    (s->s3->tmp.new_cipher->algorithm_mkey & SSL_kKRB5))\n\t\t\t\t{\n\t\t\t\tSSLerr(SSL_F_SSL3_SEND_SERVER_CERTIFICATE,ERR_R_INTERNAL_ERROR);\n\t\t\t\treturn(0);\n\t\t\t\t}\n\t\t\t}\n\t\tl=ssl3_output_cert_chain(s,x);\n\t\ts->state=SSL3_ST_SW_CERT_B;\n\t\ts->init_num=(int)l;\n\t\ts->init_off=0;\n\t\t}\n\treturn(ssl3_do_write(s,SSL3_RT_HANDSHAKE));\n\t}', 'X509 *ssl_get_server_send_cert(SSL *s)\n\t{\n\tunsigned long alg_k,alg_a,mask_k,mask_a;\n\tCERT *c;\n\tint i,is_export;\n\tc=s->cert;\n\tssl_set_cert_masks(c, s->s3->tmp.new_cipher);\n\tis_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);\n\tif (is_export)\n\t\t{\n\t\tmask_k = c->export_mask_k;\n\t\tmask_a = c->export_mask_a;\n\t\t}\n\telse\n\t\t{\n\t\tmask_k = c->mask_k;\n\t\tmask_a = c->mask_a;\n\t\t}\n\talg_k = s->s3->tmp.new_cipher->algorithm_mkey;\n\talg_a = s->s3->tmp.new_cipher->algorithm_auth;\n\tif (alg_k & (SSL_kECDHr|SSL_kECDHe))\n\t\t{\n\t\ti=SSL_PKEY_ECC;\n\t\t}\n\telse if (alg_a & SSL_aECDSA)\n\t\t{\n\t\ti=SSL_PKEY_ECC;\n\t\t}\n\telse if (alg_k & SSL_kDHr)\n\t\ti=SSL_PKEY_DH_RSA;\n\telse if (alg_k & SSL_kDHd)\n\t\ti=SSL_PKEY_DH_DSA;\n\telse if (alg_a & SSL_aDSS)\n\t\ti=SSL_PKEY_DSA_SIGN;\n\telse if (alg_a & SSL_aRSA)\n\t\t{\n\t\tif (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)\n\t\t\ti=SSL_PKEY_RSA_SIGN;\n\t\telse\n\t\t\ti=SSL_PKEY_RSA_ENC;\n\t\t}\n\telse if (alg_a & SSL_aKRB5)\n\t\t{\n\t\treturn(NULL);\n\t\t}\n\telse if (alg_a & SSL_aGOST94)\n\t\ti=SSL_PKEY_GOST94;\n\telse if (alg_a & SSL_aGOST01)\n\t\ti=SSL_PKEY_GOST01;\n\telse\n\t\t{\n\t\tSSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);\n\t\treturn(NULL);\n\t\t}\n\tif (c->pkeys[i].x509 == NULL) return(NULL);\n\treturn(c->pkeys[i].x509);\n\t}', 'void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)\n\t{\n\tCERT_PKEY *cpk;\n\tint rsa_enc,rsa_tmp,rsa_sign,dh_tmp,dh_rsa,dh_dsa,dsa_sign;\n\tint rsa_enc_export,dh_rsa_export,dh_dsa_export;\n\tint rsa_tmp_export,dh_tmp_export,kl;\n\tunsigned long mask_k,mask_a,emask_k,emask_a;\n\tint have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size;\n#ifndef OPENSSL_NO_ECDH\n\tint have_ecdh_tmp;\n#endif\n\tX509 *x = NULL;\n\tEVP_PKEY *ecc_pkey = NULL;\n\tint signature_nid = 0;\n\tif (c == NULL) return;\n\tkl=SSL_C_EXPORT_PKEYLENGTH(cipher);\n#ifndef OPENSSL_NO_RSA\n\trsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);\n\trsa_tmp_export=(c->rsa_tmp_cb != NULL ||\n\t\t(rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));\n#else\n\trsa_tmp=rsa_tmp_export=0;\n#endif\n#ifndef OPENSSL_NO_DH\n\tdh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);\n\tdh_tmp_export=(c->dh_tmp_cb != NULL ||\n\t\t(dh_tmp && DH_size(c->dh_tmp)*8 <= kl));\n#else\n\tdh_tmp=dh_tmp_export=0;\n#endif\n#ifndef OPENSSL_NO_ECDH\n\thave_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL);\n#endif\n\tcpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);\n\trsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);\n\trsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);\n\tcpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);\n\trsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);\n\tcpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);\n\tdsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);\n\tcpk= &(c->pkeys[SSL_PKEY_DH_RSA]);\n\tdh_rsa=  (cpk->x509 != NULL && cpk->privatekey != NULL);\n\tdh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);\n\tcpk= &(c->pkeys[SSL_PKEY_DH_DSA]);\n\tdh_dsa=  (cpk->x509 != NULL && cpk->privatekey != NULL);\n\tdh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);\n\tcpk= &(c->pkeys[SSL_PKEY_ECC]);\n\thave_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);\n\tmask_k=0;\n\tmask_a=0;\n\temask_k=0;\n\temask_a=0;\n#ifdef CIPHER_DEBUG\n\tprintf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\\n",\n\t        rsa_tmp,rsa_tmp_export,dh_tmp,have_ecdh_tmp,\n\t\trsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);\n#endif\n\tcpk = &(c->pkeys[SSL_PKEY_GOST01]);\n\tif (cpk->x509 != NULL && cpk->privatekey !=NULL) {\n\t\tmask_k |= SSL_kGOST;\n\t\tmask_a |= SSL_aGOST01;\n\t}\n\tcpk = &(c->pkeys[SSL_PKEY_GOST94]);\n\tif (cpk->x509 != NULL && cpk->privatekey !=NULL) {\n\t\tmask_k |= SSL_kGOST;\n\t\tmask_a |= SSL_aGOST94;\n\t}\n\tif (rsa_enc || (rsa_tmp && rsa_sign))\n\t\tmask_k|=SSL_kRSA;\n\tif (rsa_enc_export || (rsa_tmp_export && (rsa_sign || rsa_enc)))\n\t\temask_k|=SSL_kRSA;\n#if 0\n\tif (\t(dh_tmp || dh_rsa || dh_dsa) &&\n\t\t(rsa_enc || rsa_sign || dsa_sign))\n\t\tmask_k|=SSL_kEDH;\n\tif ((dh_tmp_export || dh_rsa_export || dh_dsa_export) &&\n\t\t(rsa_enc || rsa_sign || dsa_sign))\n\t\temask_k|=SSL_kEDH;\n#endif\n\tif (dh_tmp_export)\n\t\temask_k|=SSL_kEDH;\n\tif (dh_tmp)\n\t\tmask_k|=SSL_kEDH;\n\tif (dh_rsa) mask_k|=SSL_kDHr;\n\tif (dh_rsa_export) emask_k|=SSL_kDHr;\n\tif (dh_dsa) mask_k|=SSL_kDHd;\n\tif (dh_dsa_export) emask_k|=SSL_kDHd;\n\tif (rsa_enc || rsa_sign)\n\t\t{\n\t\tmask_a|=SSL_aRSA;\n\t\temask_a|=SSL_aRSA;\n\t\t}\n\tif (dsa_sign)\n\t\t{\n\t\tmask_a|=SSL_aDSS;\n\t\temask_a|=SSL_aDSS;\n\t\t}\n\tmask_a|=SSL_aNULL;\n\temask_a|=SSL_aNULL;\n#ifndef OPENSSL_NO_KRB5\n\tmask_k|=SSL_kKRB5;\n\tmask_a|=SSL_aKRB5;\n\temask_k|=SSL_kKRB5;\n\temask_a|=SSL_aKRB5;\n#endif\n\tif (have_ecc_cert)\n\t\t{\n\t\tx = (c->pkeys[SSL_PKEY_ECC]).x509;\n\t\tX509_check_purpose(x, -1, 0);\n\t\tecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?\n\t\t    (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;\n\t\tecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?\n\t\t    (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;\n\t\tecc_pkey = X509_get_pubkey(x);\n\t\tecc_pkey_size = (ecc_pkey != NULL) ?\n\t\t    EVP_PKEY_bits(ecc_pkey) : 0;\n\t\tEVP_PKEY_free(ecc_pkey);\n\t\tif ((x->sig_alg) && (x->sig_alg->algorithm))\n\t\t\tsignature_nid = OBJ_obj2nid(x->sig_alg->algorithm);\n#ifndef OPENSSL_NO_ECDH\n\t\tif (ecdh_ok)\n\t\t\t{\n\t\t\tconst char *sig = OBJ_nid2ln(signature_nid);\n\t\t\tif (sig == NULL)\n\t\t\t\t{\n\t\t\t\tERR_clear_error();\n\t\t\t\tsig = "unknown";\n\t\t\t\t}\n\t\t\tif (strstr(sig, "WithRSA"))\n\t\t\t\t{\n\t\t\t\tmask_k|=SSL_kECDHr;\n\t\t\t\tmask_a|=SSL_aECDH;\n\t\t\t\tif (ecc_pkey_size <= 163)\n\t\t\t\t\t{\n\t\t\t\t\temask_k|=SSL_kECDHr;\n\t\t\t\t\temask_a|=SSL_aECDH;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\tif (signature_nid == NID_ecdsa_with_SHA1)\n\t\t\t\t{\n\t\t\t\tmask_k|=SSL_kECDHe;\n\t\t\t\tmask_a|=SSL_aECDH;\n\t\t\t\tif (ecc_pkey_size <= 163)\n\t\t\t\t\t{\n\t\t\t\t\temask_k|=SSL_kECDHe;\n\t\t\t\t\temask_a|=SSL_aECDH;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n#endif\n#ifndef OPENSSL_NO_ECDSA\n\t\tif (ecdsa_ok)\n\t\t\t{\n\t\t\tmask_a|=SSL_aECDSA;\n\t\t\temask_a|=SSL_aECDSA;\n\t\t\t}\n#endif\n\t\t}\n#ifndef OPENSSL_NO_ECDH\n\tif (have_ecdh_tmp)\n\t\t{\n\t\tmask_k|=SSL_kEECDH;\n\t\temask_k|=SSL_kEECDH;\n\t\t}\n#endif\n#ifndef OPENSSL_NO_PSK\n\tmask_k |= SSL_kPSK;\n\tmask_a |= SSL_aPSK;\n\temask_k |= SSL_kPSK;\n\temask_a |= SSL_aPSK;\n#endif\n\tc->mask_k=mask_k;\n\tc->mask_a=mask_a;\n\tc->export_mask_k=emask_k;\n\tc->export_mask_a=emask_a;\n\tc->valid=1;\n\t}', 'int RSA_size(const RSA *r)\n\t{\n\treturn(BN_num_bytes(r->n));\n\t}', 'int BN_num_bits(const BIGNUM *a)\n\t{\n\tint i = a->top - 1;\n\tbn_check_top(a);\n\tif (BN_is_zero(a)) return 0;\n\treturn ((i*BN_BITS2) + BN_num_bits_word(a->d[i]));\n\t}']