diff options
Diffstat (limited to 'recipes-connectivity/openssl/openssl-qoriq/qoriq/0019-cryptodev-do-not-zero-the-buffer-before-use.patch')
-rw-r--r-- | recipes-connectivity/openssl/openssl-qoriq/qoriq/0019-cryptodev-do-not-zero-the-buffer-before-use.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/recipes-connectivity/openssl/openssl-qoriq/qoriq/0019-cryptodev-do-not-zero-the-buffer-before-use.patch b/recipes-connectivity/openssl/openssl-qoriq/qoriq/0019-cryptodev-do-not-zero-the-buffer-before-use.patch new file mode 100644 index 0000000..248d88e --- /dev/null +++ b/recipes-connectivity/openssl/openssl-qoriq/qoriq/0019-cryptodev-do-not-zero-the-buffer-before-use.patch @@ -0,0 +1,48 @@ +From 1f7ef531a010a3a86c9c16f801044b5f01652eb2 Mon Sep 17 00:00:00 2001 +From: Cristian Stoica <cristian.stoica@freescale.com> +Date: Tue, 17 Feb 2015 13:12:53 +0200 +Subject: [PATCH 19/48] cryptodev: do not zero the buffer before use + +- The buffer is just about to be overwritten. Zeroing it before that has + no purpose + +Change-Id: I478c31bd2e254561474a7edf5e37980ca04217ce +Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com> +Reviewed-on: http://git.am.freescale.net:8181/34217 +--- + crypto/engine/eng_cryptodev.c | 14 ++++---------- + 1 file changed, 4 insertions(+), 10 deletions(-) + +diff --git a/crypto/engine/eng_cryptodev.c b/crypto/engine/eng_cryptodev.c +index 4cffaf1..bbc903b 100644 +--- a/crypto/engine/eng_cryptodev.c ++++ b/crypto/engine/eng_cryptodev.c +@@ -1801,21 +1801,15 @@ cryptodev_engine_digests(ENGINE *e, const EVP_MD **digest, + static int bn2crparam(const BIGNUM *a, struct crparam *crp) + { + ssize_t bytes, bits; +- u_char *b; +- +- crp->crp_p = NULL; +- crp->crp_nbits = 0; + + bits = BN_num_bits(a); + bytes = (bits + 7) / 8; + +- b = malloc(bytes); +- if (b == NULL) +- return (1); +- memset(b, 0, bytes); +- +- crp->crp_p = (caddr_t) b; + crp->crp_nbits = bits; ++ crp->crp_p = malloc(bytes); ++ ++ if (crp->crp_p == NULL) ++ return (1); + + BN_bn2bin(a, crp->crp_p); + return (0); +-- +2.7.0 + |