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Diffstat (limited to 'libtomcrypt/src/encauth/ocb/s_ocb_done.c')
-rw-r--r--libtomcrypt/src/encauth/ocb/s_ocb_done.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/libtomcrypt/src/encauth/ocb/s_ocb_done.c b/libtomcrypt/src/encauth/ocb/s_ocb_done.c
index 7399b54..7688a42 100644
--- a/libtomcrypt/src/encauth/ocb/s_ocb_done.c
+++ b/libtomcrypt/src/encauth/ocb/s_ocb_done.c
@@ -6,7 +6,7 @@
* The library is free for all purposes without any express
* guarantee it works.
*
- * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
*/
/**
@@ -84,7 +84,9 @@ int s_ocb_done(ocb_state *ocb, const unsigned char *pt, unsigned long ptlen,
}
/* Y[m] = E(X[m])) */
- cipher_descriptor[ocb->cipher].ecb_encrypt(X, Y, &ocb->key);
+ if ((err = cipher_descriptor[ocb->cipher].ecb_encrypt(X, Y, &ocb->key)) != CRYPT_OK) {
+ goto error;
+ }
if (mode == 1) {
/* decrypt mode, so let's xor it first */
@@ -113,7 +115,9 @@ int s_ocb_done(ocb_state *ocb, const unsigned char *pt, unsigned long ptlen,
}
/* encrypt checksum, er... tag!! */
- cipher_descriptor[ocb->cipher].ecb_encrypt(ocb->checksum, X, &ocb->key);
+ if ((err = cipher_descriptor[ocb->cipher].ecb_encrypt(ocb->checksum, X, &ocb->key)) != CRYPT_OK) {
+ goto error;
+ }
cipher_descriptor[ocb->cipher].done(&ocb->key);
/* now store it */
@@ -128,17 +132,17 @@ int s_ocb_done(ocb_state *ocb, const unsigned char *pt, unsigned long ptlen,
zeromem(Z, MAXBLOCKSIZE);
zeromem(ocb, sizeof(*ocb));
#endif
-
+error:
XFREE(X);
XFREE(Y);
XFREE(Z);
- return CRYPT_OK;
+ return err;
}
#endif
/* $Source: /cvs/libtom/libtomcrypt/src/encauth/ocb/s_ocb_done.c,v $ */
-/* $Revision: 1.4 $ */
-/* $Date: 2005/05/05 14:35:58 $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/03/31 14:15:35 $ */