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Diffstat (limited to 'utils/tomcrypt/src/misc/zeromem.c')
-rw-r--r-- | utils/tomcrypt/src/misc/zeromem.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/utils/tomcrypt/src/misc/zeromem.c b/utils/tomcrypt/src/misc/zeromem.c new file mode 100644 index 0000000000..dc81d9b1e2 --- /dev/null +++ b/utils/tomcrypt/src/misc/zeromem.c @@ -0,0 +1,32 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + */ +#include "tomcrypt.h" + +/** + @file zeromem.c + Zero a block of memory, Tom St Denis +*/ + +/** + Zero a block of memory + @param out The destination of the area to zero + @param outlen The length of the area to zero (octets) +*/ +void zeromem(volatile void *out, size_t outlen) +{ + volatile char *mem = out; + LTC_ARGCHKVD(out != NULL); + while (outlen-- > 0) { + *mem++ = '\0'; + } +} + +/* ref: HEAD -> master, tag: v1.18.2 */ +/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */ +/* commit time: 2018-07-01 22:49:01 +0200 */ |