void ssl3_init_finished_mac(SSL *s)
{
if (s->s3->handshake_buffer) BIO_free(s->s3->handshake_buffer);
if (s->s3->handshake_dgst) ssl3_free_digest_list(s);
s->s3->handshake_buffer=BIO_new(BIO_s_mem());
(void)BIO_set_close(s->s3->handshake_buffer,BIO_CLOSE);
}
int ssl3_init_finished_mac(SSL *s) {
BIO_free(s->s3->handshake_buffer);
ssl3_free_digest_list(s);
s->s3->handshake_buffer = BIO_new(BIO_s_mem());
if (s->s3->handshake_buffer == NULL) {
return 0;
}
BIO_set_close(s->s3->handshake_buffer, BIO_CLOSE);
return 1;
}
int ssl3_init_finished_mac(SSL *s)
{
BIO *buf = BIO_new(BIO_s_mem());
if (buf == NULL) {
SSLerr(SSL_F_SSL3_INIT_FINISHED_MAC, ERR_R_MALLOC_FAILURE);
return 0;
}
ssl3_free_digest_list(s);
s->s3->handshake_buffer = buf;
(void)BIO_set_close(s->s3->handshake_buffer, BIO_CLOSE);
return 1;
}
int ssl3_digest_cached_records(
SSL *s, enum should_free_handshake_buffer_t should_free_handshake_buffer) {
int i;
long mask;
const EVP_MD *md;
const uint8_t *hdata;
size_t hdatalen;
/* Allocate handshake_dgst array */
ssl3_free_digest_list(s);
s->s3->handshake_dgst = OPENSSL_malloc(SSL_MAX_DIGEST * sizeof(EVP_MD_CTX *));
if (s->s3->handshake_dgst == NULL) {
OPENSSL_PUT_ERROR(SSL, ssl3_digest_cached_records, ERR_R_MALLOC_FAILURE);
return 0;
}
memset(s->s3->handshake_dgst, 0, SSL_MAX_DIGEST * sizeof(EVP_MD_CTX *));
if (!BIO_mem_contents(s->s3->handshake_buffer, &hdata, &hdatalen)) {
OPENSSL_PUT_ERROR(SSL, ssl3_digest_cached_records,
SSL_R_BAD_HANDSHAKE_LENGTH);
return 0;
}
/* Loop through bits of algorithm2 field and create MD_CTX-es */
for (i = 0; ssl_get_handshake_digest(i, &mask, &md); i++) {
if ((mask & ssl_get_algorithm2(s)) && md) {
s->s3->handshake_dgst[i] = EVP_MD_CTX_create();
if (s->s3->handshake_dgst[i] == NULL) {
OPENSSL_PUT_ERROR(SSL, ssl3_digest_cached_records, ERR_LIB_EVP);
return 0;
}
if (!EVP_DigestInit_ex(s->s3->handshake_dgst[i], md, NULL)) {
EVP_MD_CTX_destroy(s->s3->handshake_dgst[i]);
s->s3->handshake_dgst[i] = NULL;
OPENSSL_PUT_ERROR(SSL, ssl3_digest_cached_records, ERR_LIB_EVP);
return 0;
}
EVP_DigestUpdate(s->s3->handshake_dgst[i], hdata, hdatalen);
} else {
s->s3->handshake_dgst[i] = NULL;
}
}
if (should_free_handshake_buffer == free_handshake_buffer) {
/* Free handshake_buffer BIO */
BIO_free(s->s3->handshake_buffer);
s->s3->handshake_buffer = NULL;
}
return 1;
}
int ssl3_digest_cached_records(SSL *s)
{
int i;
long mask;
const EVP_MD *md;
long hdatalen;
void *hdata;
/* Allocate handshake_dgst array */
ssl3_free_digest_list(s);
s->s3->handshake_dgst = OPENSSL_malloc(SSL_MAX_DIGEST * sizeof(EVP_MD_CTX *));
memset(s->s3->handshake_dgst,0,SSL_MAX_DIGEST *sizeof(EVP_MD_CTX *));
hdatalen = BIO_get_mem_data(s->s3->handshake_buffer,&hdata);
if (hdatalen <= 0)
{
SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, SSL_R_BAD_HANDSHAKE_LENGTH);
return 0;
}
/* Loop through bitso of algorithm2 field and create MD_CTX-es */
for (i=0;ssl_get_handshake_digest(i,&mask,&md); i++)
{
if ((mask & ssl_get_algorithm2(s)) && md)
{
s->s3->handshake_dgst[i]=EVP_MD_CTX_create();
#ifdef OPENSSL_FIPS
if (EVP_MD_nid(md) == NID_md5)
{
EVP_MD_CTX_set_flags(s->s3->handshake_dgst[i],
EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
}
#endif
EVP_DigestInit_ex(s->s3->handshake_dgst[i],md,NULL);
EVP_DigestUpdate(s->s3->handshake_dgst[i],hdata,hdatalen);
}
else
{
s->s3->handshake_dgst[i]=NULL;
}
}
if (!(s->s3->flags & TLS1_FLAGS_KEEP_HANDSHAKE))
{
/* Free handshake_buffer BIO */
BIO_free(s->s3->handshake_buffer);
s->s3->handshake_buffer = NULL;
}
return 1;
}
int ssl3_digest_cached_records(SSL *s)
{
int i;
long mask;
const EVP_MD *md;
long hdatalen;
void *hdata;
/* Allocate handshake_dgst array */
ssl3_free_digest_list(s);
s->s3->handshake_dgst = OPENSSL_malloc(SSL_MAX_DIGEST * sizeof(EVP_MD_CTX *));
memset(s->s3->handshake_dgst,0,SSL_MAX_DIGEST *sizeof(EVP_MD_CTX *));
hdatalen = BIO_get_mem_data(s->s3->handshake_buffer,&hdata);
if (hdatalen <= 0)
{
SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, SSL_R_BAD_HANDSHAKE_LENGTH);
return 0;
}
/* Loop through bitso of algorithm2 field and create MD_CTX-es */
for (i=0;ssl_get_handshake_digest(i,&mask,&md); i++)
{
if ((mask & s->s3->tmp.new_cipher->algorithm2) && md)
{
s->s3->handshake_dgst[i]=EVP_MD_CTX_create();
EVP_DigestInit_ex(s->s3->handshake_dgst[i],md,NULL);
EVP_DigestUpdate(s->s3->handshake_dgst[i],hdata,hdatalen);
}
else
{
s->s3->handshake_dgst[i]=NULL;
}
}
/* Free handshake_buffer BIO */
BIO_free(s->s3->handshake_buffer);
s->s3->handshake_buffer = NULL;
return 1;
}