diff options
Diffstat (limited to 'lib/sha256.h')
| -rw-r--r-- | lib/sha256.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/sha256.h b/lib/sha256.h index a76bdffa191..b1ccb2aeb6b 100644 --- a/lib/sha256.h +++ b/lib/sha256.h @@ -89,8 +89,11 @@ extern void *sha256_buffer (const char *buffer, size_t len, void *resblock); extern void *sha224_buffer (const char *buffer, size_t len, void *resblock); # endif -/* Compute SHA256 (SHA224) message digest for bytes read from STREAM. The - resulting message digest number will be written into the 32 (28) bytes +/* Compute SHA256 (SHA224) message digest for bytes read from STREAM. + STREAM is an open file stream. Regular files are handled more efficiently. + The contents of STREAM from its current position to its end will be read. + The case that the last operation on STREAM was an 'ungetc' is not supported. + The resulting message digest number will be written into the 32 (28) bytes beginning at RESBLOCK. */ extern int sha256_stream (FILE *stream, void *resblock); extern int sha224_stream (FILE *stream, void *resblock); |