diff options
| -rw-r--r-- | crypto/drbg.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/crypto/drbg.c b/crypto/drbg.c index c90e3cf5967f..d748a1d0ca24 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -98,6 +98,7 @@ */ #include <crypto/drbg.h> +#include <linux/string.h> /*************************************************************** * Backend cipher definitions available to DRBG @@ -497,9 +498,9 @@ static int drbg_ctr_df(struct drbg_state *drbg, ret = 0; out: - memset(iv, 0, drbg_blocklen(drbg)); - memset(temp, 0, drbg_statelen(drbg)); - memset(pad, 0, drbg_blocklen(drbg)); + memzero_explicit(iv, drbg_blocklen(drbg)); + memzero_explicit(temp, drbg_statelen(drbg)); + memzero_explicit(pad, drbg_blocklen(drbg)); return ret; } @@ -573,9 +574,9 @@ static int drbg_ctr_update(struct drbg_state *drbg, struct list_head *seed, ret = 0; out: - memset(temp, 0, drbg_statelen(drbg) + drbg_blocklen(drbg)); + memzero_explicit(temp, drbg_statelen(drbg) + drbg_blocklen(drbg)); if (2 != reseed) - memset(df_data, 0, drbg_statelen(drbg)); + memzero_explicit(df_data, drbg_statelen(drbg)); return ret; } @@ -633,7 +634,7 @@ static int drbg_ctr_generate(struct drbg_state *drbg, len = ret; out: - memset(drbg->scratchpad, 0, drbg_blocklen(drbg)); + memzero_explicit(drbg->scratchpad, drbg_blocklen(drbg)); return len; } @@ -871,7 +872,7 @@ static int drbg_hash_df(struct drbg_state *drbg, } out: - memset(tmp, 0, drbg_blocklen(drbg)); + memzero_explicit(tmp, drbg_blocklen(drbg)); return ret; } @@ -915,7 +916,7 @@ static int drbg_hash_update(struct drbg_state *drbg, struct list_head *seed, ret = drbg_hash_df(drbg, drbg->C, drbg_statelen(drbg), &datalist2); out: - memset(drbg->scratchpad, 0, drbg_statelen(drbg)); + memzero_explicit(drbg->scratchpad, drbg_statelen(drbg)); return ret; } @@ -950,7 +951,7 @@ static int drbg_hash_process_addtl(struct drbg_state *drbg, drbg->scratchpad, drbg_blocklen(drbg)); out: - memset(drbg->scratchpad, 0, drbg_blocklen(drbg)); + memzero_explicit(drbg->scratchpad, drbg_blocklen(drbg)); return ret; } @@ -997,7 +998,7 @@ static int drbg_hash_hashgen(struct drbg_state *drbg, } out: - memset(drbg->scratchpad, 0, + memzero_explicit(drbg->scratchpad, (drbg_statelen(drbg) + drbg_blocklen(drbg))); return len; } @@ -1046,7 +1047,7 @@ static int drbg_hash_generate(struct drbg_state *drbg, drbg_add_buf(drbg->V, drbg_statelen(drbg), u.req, 8); out: - memset(drbg->scratchpad, 0, drbg_blocklen(drbg)); + memzero_explicit(drbg->scratchpad, drbg_blocklen(drbg)); return len; } |