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-rw-r--r--src/crypto/cipher/aes128_ctr/nacl/cipher_aes128_ctr_nacl.c5
-rw-r--r--src/crypto/cipher/blowfish_ctr/builtin/blowfish_ctr.c5
-rw-r--r--src/crypto/cipher/blowfish_ctr/openssl/blowfish_ctr.c5
3 files changed, 12 insertions, 3 deletions
diff --git a/src/crypto/cipher/aes128_ctr/nacl/cipher_aes128_ctr_nacl.c b/src/crypto/cipher/aes128_ctr/nacl/cipher_aes128_ctr_nacl.c
index 4302157..5cb4bc7 100644
--- a/src/crypto/cipher/aes128_ctr/nacl/cipher_aes128_ctr_nacl.c
+++ b/src/crypto/cipher/aes128_ctr/nacl/cipher_aes128_ctr_nacl.c
@@ -65,7 +65,10 @@ static bool aes128_ctr_crypt(fastd_context_t *ctx UNUSED, const fastd_cipher_sta
}
static void aes128_ctr_free_state(fastd_context_t *ctx UNUSED, fastd_cipher_state_t *state) {
- free(state);
+ if (state) {
+ secure_memzero(state, sizeof(*state));
+ free(state);
+ }
}
static void aes128_ctr_free(fastd_context_t *ctx UNUSED, fastd_cipher_context_t *cctx UNUSED) {
diff --git a/src/crypto/cipher/blowfish_ctr/builtin/blowfish_ctr.c b/src/crypto/cipher/blowfish_ctr/builtin/blowfish_ctr.c
index bc5b85c..fb95359 100644
--- a/src/crypto/cipher/blowfish_ctr/builtin/blowfish_ctr.c
+++ b/src/crypto/cipher/blowfish_ctr/builtin/blowfish_ctr.c
@@ -316,7 +316,10 @@ static bool blowfish_ctr_crypt(fastd_context_t *ctx UNUSED, const fastd_cipher_s
}
static void blowfish_ctr_free_state(fastd_context_t *ctx UNUSED, fastd_cipher_state_t *state) {
- free(state);
+ if (state) {
+ secure_memzero(state, sizeof(*state));
+ free(state);
+ }
}
static void blowfish_ctr_free(fastd_context_t *ctx UNUSED, fastd_cipher_context_t *cctx UNUSED) {
diff --git a/src/crypto/cipher/blowfish_ctr/openssl/blowfish_ctr.c b/src/crypto/cipher/blowfish_ctr/openssl/blowfish_ctr.c
index 1eafb97..67dec0d 100644
--- a/src/crypto/cipher/blowfish_ctr/openssl/blowfish_ctr.c
+++ b/src/crypto/cipher/blowfish_ctr/openssl/blowfish_ctr.c
@@ -91,7 +91,10 @@ static bool blowfish_ctr_crypt(fastd_context_t *ctx UNUSED, const fastd_cipher_s
}
static void blowfish_ctr_free_state(fastd_context_t *ctx UNUSED, fastd_cipher_state_t *state) {
- free(state);
+ if (state) {
+ secure_memzero(state, sizeof(*state));
+ free(state);
+ }
}
static void blowfish_ctr_free(fastd_context_t *ctx UNUSED, fastd_cipher_context_t *cctx UNUSED) {