Index: openssl-1.0.1e/ssl/d1_both.c =================================================================== --- openssl-1.0.1e.orig/ssl/d1_both.c +++ openssl-1.0.1e/ssl/d1_both.c @@ -214,6 +214,11 @@ dtls1_hm_fragment_new(unsigned long frag static void dtls1_hm_fragment_free(hm_fragment *frag) { + if (frag->msg_header.is_ccs) + { + EVP_CIPHER_CTX_free(frag->msg_header.saved_retransmit_state.enc_write_ctx); + EVP_MD_CTX_destroy(frag->msg_header.saved_retransmit_state.write_hash); + } if (frag->fragment) OPENSSL_free(frag->fragment); if (frag->reassembly) OPENSSL_free(frag->reassembly); OPENSSL_free(frag); Index: openssl-1.0.1e/ssl/ssl_locl.h =================================================================== --- openssl-1.0.1e.orig/ssl/ssl_locl.h +++ openssl-1.0.1e/ssl/ssl_locl.h @@ -625,6 +625,8 @@ extern SSL3_ENC_METHOD TLSv1_enc_data; extern SSL3_ENC_METHOD SSLv3_enc_data; extern SSL3_ENC_METHOD DTLSv1_enc_data; +#define SSL_IS_DTLS(s) (s->method->version == DTLS1_VERSION) + #define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \ s_get_meth) \ const SSL_METHOD *func_name(void) \ Index: openssl-1.0.1e/ssl/t1_enc.c =================================================================== --- openssl-1.0.1e.orig/ssl/t1_enc.c +++ openssl-1.0.1e/ssl/t1_enc.c @@ -414,15 +414,20 @@ int tls1_change_cipher_state(SSL *s, int s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM; else s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM; - if (s->enc_write_ctx != NULL) + if (s->enc_write_ctx != NULL && !SSL_IS_DTLS(s)) reuse_dd = 1; - else if ((s->enc_write_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL) + else if ((s->enc_write_ctx=EVP_CIPHER_CTX_new()) == NULL) goto err; - else - /* make sure it's intialized in case we exit later with an error */ - EVP_CIPHER_CTX_init(s->enc_write_ctx); dd= s->enc_write_ctx; - mac_ctx = ssl_replace_hash(&s->write_hash,NULL); + if (SSL_IS_DTLS(s)) + { + mac_ctx = EVP_MD_CTX_create(); + if (!mac_ctx) + goto err; + s->write_hash = mac_ctx; + } + else + mac_ctx = ssl_replace_hash(&s->write_hash,NULL); #ifndef OPENSSL_NO_COMP if (s->compress != NULL) {