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ensure that the EVP_CIPHER_CTX object is initialized

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PR: 1490
This commit is contained in:
Nils Larsch 2007-02-16 20:40:07 +00:00
parent 28f5873179
commit d31a13953c
3 changed files with 18 additions and 9 deletions
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9
ssl/s2_enc.c
View file

@ -82,15 +82,18 @@ int ssl2_enc_init(SSL *s, int client)
((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;
rs= s->enc_read_ctx;
ws= s->enc_write_ctx;
EVP_CIPHER_CTX_init(rs);
EVP_CIPHER_CTX_init(ws);
num=c->key_len;

7
ssl/s3_enc.c
View file

@ -221,6 +221,9 @@ int ssl3_change_cipher_state(SSL *s, int which)
reuse_dd = 1;
else if ((s->enc_read_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL)
goto err;
else
/* make sure it's intialized in case we exit later with an error */
EVP_CIPHER_CTX_init(s->enc_read_ctx);
dd= s->enc_read_ctx;
s->read_hash=m;
#ifndef OPENSSL_NO_COMP
@ -254,6 +257,9 @@ int ssl3_change_cipher_state(SSL *s, int which)
reuse_dd = 1;
else if ((s->enc_write_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == 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;
s->write_hash=m;
#ifndef OPENSSL_NO_COMP
@ -279,7 +285,6 @@ int ssl3_change_cipher_state(SSL *s, int which)
if (reuse_dd)
EVP_CIPHER_CTX_cleanup(dd);
EVP_CIPHER_CTX_init(dd);
p=s->s3->tmp.key_block;
i=EVP_MD_size(m);

11
ssl/t1_enc.c
View file

@ -267,6 +267,9 @@ int tls1_change_cipher_state(SSL *s, int which)
reuse_dd = 1;
else if ((s->enc_read_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL)
goto err;
else
/* make sure it's intialized in case we exit later with an error */
EVP_CIPHER_CTX_init(s->enc_read_ctx);
dd= s->enc_read_ctx;
s->read_hash=m;
#ifndef OPENSSL_NO_COMP
@ -301,10 +304,9 @@ int tls1_change_cipher_state(SSL *s, int which)
reuse_dd = 1;
else if ((s->enc_write_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL)
goto err;
if ((s->enc_write_ctx == NULL) &&
((s->enc_write_ctx=(EVP_CIPHER_CTX *)
OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == 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;
s->write_hash=m;
#ifndef OPENSSL_NO_COMP
@ -331,7 +333,6 @@ int tls1_change_cipher_state(SSL *s, int which)
if (reuse_dd)
EVP_CIPHER_CTX_cleanup(dd);
EVP_CIPHER_CTX_init(dd);
p=s->s3->tmp.key_block;
i=EVP_MD_size(m);