diff options
author | Matt Caswell <matt@openssl.org> | 2015-01-22 02:47:42 +0000 |
---|---|---|
committer | Matt Caswell <matt@openssl.org> | 2015-01-22 09:52:55 +0000 |
commit | 40720ce3caf44294b5b87a18856b7aef06123314 (patch) | |
tree | 30d57dec407c05fe6ea57275517805e8c79a7dcc /ssl/s2_enc.c | |
parent | 9d03aabea3ead1fe6a194297ddffd4a87f89b93c (diff) |
Run util/openssl-format-source -v -c .
Reviewed-by: Tim Hudson <tjh@openssl.org>
Diffstat (limited to 'ssl/s2_enc.c')
-rw-r--r-- | ssl/s2_enc.c | 260 |
1 files changed, 130 insertions, 130 deletions
diff --git a/ssl/s2_enc.c b/ssl/s2_enc.c index 1f62acd5b1..b4418e9898 100644 --- a/ssl/s2_enc.c +++ b/ssl/s2_enc.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -58,137 +58,137 @@ #include "ssl_locl.h" #ifndef OPENSSL_NO_SSL2 -#include <stdio.h> +# include <stdio.h> int ssl2_enc_init(SSL *s, int client) - { - /* Max number of bytes needed */ - EVP_CIPHER_CTX *rs,*ws; - const EVP_CIPHER *c; - const EVP_MD *md; - int num; - - if (!ssl_cipher_get_evp(s->session,&c,&md,NULL)) - { - ssl2_return_error(s,SSL2_PE_NO_CIPHER); - SSLerr(SSL_F_SSL2_ENC_INIT,SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS); - return(0); - } - - s->read_hash=md; - s->write_hash=md; - - if ((s->enc_read_ctx == NULL) && - ((s->enc_read_ctx=(EVP_CIPHER_CTX *) - OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL)) - goto err; - - /* make sure it's intialized in case the malloc for enc_write_ctx fails - * and we exit with an error */ - rs= s->enc_read_ctx; - EVP_CIPHER_CTX_init(rs); - - if ((s->enc_write_ctx == NULL) && - ((s->enc_write_ctx=(EVP_CIPHER_CTX *) - OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL)) - goto err; - - ws= s->enc_write_ctx; - EVP_CIPHER_CTX_init(ws); - - num=c->key_len; - s->s2->key_material_length=num*2; - OPENSSL_assert(s->s2->key_material_length <= sizeof s->s2->key_material); - - if (ssl2_generate_key_material(s) <= 0) - return 0; - - OPENSSL_assert(c->iv_len <= (int)sizeof(s->session->key_arg)); - EVP_EncryptInit_ex(ws,c,NULL,&(s->s2->key_material[(client)?num:0]), - s->session->key_arg); - EVP_DecryptInit_ex(rs,c,NULL,&(s->s2->key_material[(client)?0:num]), - s->session->key_arg); - s->s2->read_key= &(s->s2->key_material[(client)?0:num]); - s->s2->write_key= &(s->s2->key_material[(client)?num:0]); - return(1); -err: - SSLerr(SSL_F_SSL2_ENC_INIT,ERR_R_MALLOC_FAILURE); - return(0); - } - -/* read/writes from s->s2->mac_data using length for encrypt and - * decrypt. It sets s->s2->padding and s->[rw]length - * if we are encrypting */ +{ + /* Max number of bytes needed */ + EVP_CIPHER_CTX *rs, *ws; + const EVP_CIPHER *c; + const EVP_MD *md; + int num; + + if (!ssl_cipher_get_evp(s->session, &c, &md, NULL)) { + ssl2_return_error(s, SSL2_PE_NO_CIPHER); + SSLerr(SSL_F_SSL2_ENC_INIT, SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS); + return (0); + } + + s->read_hash = md; + s->write_hash = md; + + if ((s->enc_read_ctx == NULL) && ((s->enc_read_ctx = (EVP_CIPHER_CTX *) + OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) + == NULL)) + goto err; + + /* + * make sure it's intialized in case the malloc for enc_write_ctx fails + * and we exit with an error + */ + rs = s->enc_read_ctx; + EVP_CIPHER_CTX_init(rs); + + if ((s->enc_write_ctx == NULL) && ((s->enc_write_ctx = (EVP_CIPHER_CTX *) + OPENSSL_malloc(sizeof + (EVP_CIPHER_CTX))) == + NULL)) + goto err; + + ws = s->enc_write_ctx; + EVP_CIPHER_CTX_init(ws); + + num = c->key_len; + s->s2->key_material_length = num * 2; + OPENSSL_assert(s->s2->key_material_length <= sizeof s->s2->key_material); + + if (ssl2_generate_key_material(s) <= 0) + return 0; + + OPENSSL_assert(c->iv_len <= (int)sizeof(s->session->key_arg)); + EVP_EncryptInit_ex(ws, c, NULL, + &(s->s2->key_material[(client) ? num : 0]), + s->session->key_arg); + EVP_DecryptInit_ex(rs, c, NULL, + &(s->s2->key_material[(client) ? 0 : num]), + s->session->key_arg); + s->s2->read_key = &(s->s2->key_material[(client) ? 0 : num]); + s->s2->write_key = &(s->s2->key_material[(client) ? num : 0]); + return (1); + err: + SSLerr(SSL_F_SSL2_ENC_INIT, ERR_R_MALLOC_FAILURE); + return (0); +} + +/* + * read/writes from s->s2->mac_data using length for encrypt and decrypt. + * It sets s->s2->padding and s->[rw]length if we are encrypting + */ void ssl2_enc(SSL *s, int send) - { - EVP_CIPHER_CTX *ds; - unsigned long l; - int bs; - - if (send) - { - ds=s->enc_write_ctx; - l=s->s2->wlength; - } - else - { - ds=s->enc_read_ctx; - l=s->s2->rlength; - } - - /* check for NULL cipher */ - if (ds == NULL) return; - - - bs=ds->cipher->block_size; - /* This should be using (bs-1) and bs instead of 7 and 8, but - * what the hell. */ - if (bs == 8) - l=(l+7)/8*8; - - EVP_Cipher(ds,s->s2->mac_data,s->s2->mac_data,l); - } +{ + EVP_CIPHER_CTX *ds; + unsigned long l; + int bs; + + if (send) { + ds = s->enc_write_ctx; + l = s->s2->wlength; + } else { + ds = s->enc_read_ctx; + l = s->s2->rlength; + } + + /* check for NULL cipher */ + if (ds == NULL) + return; + + bs = ds->cipher->block_size; + /* + * This should be using (bs-1) and bs instead of 7 and 8, but what the + * hell. + */ + if (bs == 8) + l = (l + 7) / 8 * 8; + + EVP_Cipher(ds, s->s2->mac_data, s->s2->mac_data, l); +} void ssl2_mac(SSL *s, unsigned char *md, int send) - { - EVP_MD_CTX c; - unsigned char sequence[4],*p,*sec,*act; - unsigned long seq; - unsigned int len; - - if (send) - { - seq=s->s2->write_sequence; - sec=s->s2->write_key; - len=s->s2->wact_data_length; - act=s->s2->wact_data; - } - else - { - seq=s->s2->read_sequence; - sec=s->s2->read_key; - len=s->s2->ract_data_length; - act=s->s2->ract_data; - } - - p= &(sequence[0]); - l2n(seq,p); - - /* There has to be a MAC algorithm. */ - EVP_MD_CTX_init(&c); - EVP_DigestInit_ex(&c, s->read_hash, NULL); - EVP_DigestUpdate(&c,sec, - EVP_CIPHER_CTX_key_length(s->enc_read_ctx)); - EVP_DigestUpdate(&c,act,len); - /* the above line also does the pad data */ - EVP_DigestUpdate(&c,sequence,4); - EVP_DigestFinal_ex(&c,md,NULL); - EVP_MD_CTX_cleanup(&c); - } -#else /* !OPENSSL_NO_SSL2 */ +{ + EVP_MD_CTX c; + unsigned char sequence[4], *p, *sec, *act; + unsigned long seq; + unsigned int len; + + if (send) { + seq = s->s2->write_sequence; + sec = s->s2->write_key; + len = s->s2->wact_data_length; + act = s->s2->wact_data; + } else { + seq = s->s2->read_sequence; + sec = s->s2->read_key; + len = s->s2->ract_data_length; + act = s->s2->ract_data; + } + + p = &(sequence[0]); + l2n(seq, p); + + /* There has to be a MAC algorithm. */ + EVP_MD_CTX_init(&c); + EVP_DigestInit_ex(&c, s->read_hash, NULL); + EVP_DigestUpdate(&c, sec, EVP_CIPHER_CTX_key_length(s->enc_read_ctx)); + EVP_DigestUpdate(&c, act, len); + /* the above line also does the pad data */ + EVP_DigestUpdate(&c, sequence, 4); + EVP_DigestFinal_ex(&c, md, NULL); + EVP_MD_CTX_cleanup(&c); +} +#else /* !OPENSSL_NO_SSL2 */ # if PEDANTIC -static void *dummy=&dummy; +static void *dummy = &dummy; # endif #endif |