commit a46fff931d631a176f56547692b16ae32c89299b
parent 056a07885e5023b69abd03c19e1d3029126d55bf
Author: Christian Grothoff <christian@grothoff.org>
Date: Mon, 28 May 2018 13:04:11 +0200
add patch from Niibe Yutaka for
#5328
Diffstat:
1 file changed, 10 insertions(+), 0 deletions(-)
diff --git a/src/util/crypto_ecc.c b/src/util/crypto_ecc.c
@@ -1281,6 +1281,16 @@ eddsa_d_to_a (gcry_mpi_t d)
gcry_mpi_print (GCRYMPI_FMT_USG,
rawmpi, rawmpilen, &rawmpilen,
d));
+ if (rawmpilen < 32)
+ {
+ memmove (rawmpi + 32 - rawmpilen,
+ rawmpi,
+ rawmpilen);
+ memset (rawmpi,
+ 0,
+ 32 - rawmpilen);
+ rawmpilen = 32;
+ }
hvec[0].data = digest;
hvec[0].off = 0;
hvec[0].len = b > rawmpilen ? (b - rawmpilen) : 0;