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| author | Mattias Andrée <maandree@kth.se> | 2022-02-14 21:25:06 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2022-02-14 21:25:06 +0100 |
| commit | ea7d8f4a919bf6c9e68ea4a55ef763c310ecfc9b (patch) | |
| tree | 416ad9e2f06aef594714b06a91f7f379d1766749 /libar2_hash_buf_size.3 | |
| parent | Fix previous commit (diff) | |
| download | libar2-ea7d8f4a919bf6c9e68ea4a55ef763c310ecfc9b.tar.gz libar2-ea7d8f4a919bf6c9e68ea4a55ef763c310ecfc9b.tar.bz2 libar2-ea7d8f4a919bf6c9e68ea4a55ef763c310ecfc9b.tar.xz | |
Refine libar2_hash_buf_size + add test + securely erase parts of the hash output buffer that is written to but is not part of the hash
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'libar2_hash_buf_size.3')
| -rw-r--r-- | libar2_hash_buf_size.3 | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/libar2_hash_buf_size.3 b/libar2_hash_buf_size.3 index dcb8285..66cd05d 100644 --- a/libar2_hash_buf_size.3 +++ b/libar2_hash_buf_size.3 @@ -6,7 +6,7 @@ libar2_hash_buf_size - Determine require output buffer size .nf #include <libar2.h> -size_t libar2_hash_buf_size(struct libar2_argon2_parameters *\fIparams\fP); +size_t libar2_hash_buf_size(const struct libar2_argon2_parameters *\fIparams\fP); .fi .PP Link with @@ -26,10 +26,11 @@ may not be .PP The return value is .I params->hashlen -if this number is 64 or less, a multiple of 128 -that is around twice as large as +if this number is 64 or less, otherwise the +it will be larger than .I params->hashlen -(can be a bit more). +but no larger than +.IR "(params->hashlen + 63)" . .SH RETURN VALUES The |