summaryrefslogtreecommitdiffstats
path: root/Modules/_blake2/impl
diff options
context:
space:
mode:
authorInada Naoki <songofacandy@gmail.com>2021-03-30 03:25:28 (GMT)
committerGitHub <noreply@github.com>2021-03-30 03:25:28 (GMT)
commit068ebf9729d440cef03e4c57e3db83c851146172 (patch)
tree4795d264158c9a601c2fdfdcc49b80fa077d8550 /Modules/_blake2/impl
parent85b6b70589c187639aeebc560d67e9cc04abb4d8 (diff)
downloadcpython-068ebf9729d440cef03e4c57e3db83c851146172.zip
cpython-068ebf9729d440cef03e4c57e3db83c851146172.tar.gz
cpython-068ebf9729d440cef03e4c57e3db83c851146172.tar.bz2
bpo-33164: blake2: Fix Coverity scan (GH-25060)
Diffstat (limited to 'Modules/_blake2/impl')
-rw-r--r--Modules/_blake2/impl/blake2b-ref.c2
-rw-r--r--Modules/_blake2/impl/blake2b.c2
-rw-r--r--Modules/_blake2/impl/blake2s-ref.c2
-rw-r--r--Modules/_blake2/impl/blake2s.c2
4 files changed, 4 insertions, 4 deletions
diff --git a/Modules/_blake2/impl/blake2b-ref.c b/Modules/_blake2/impl/blake2b-ref.c
index 699f1a1..e58c436 100644
--- a/Modules/_blake2/impl/blake2b-ref.c
+++ b/Modules/_blake2/impl/blake2b-ref.c
@@ -333,7 +333,7 @@ int blake2b_final( blake2b_state *S, uint8_t *out, size_t outlen )
blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );
blake2b_compress( S, S->buf );
S->buflen -= BLAKE2B_BLOCKBYTES;
- memcpy( S->buf, S->buf + BLAKE2B_BLOCKBYTES, S->buflen );
+ memmove( S->buf, S->buf + BLAKE2B_BLOCKBYTES, S->buflen );
}
blake2b_increment_counter( S, S->buflen );
diff --git a/Modules/_blake2/impl/blake2b.c b/Modules/_blake2/impl/blake2b.c
index 3d3e465..c1068e8 100644
--- a/Modules/_blake2/impl/blake2b.c
+++ b/Modules/_blake2/impl/blake2b.c
@@ -388,7 +388,7 @@ int blake2b_final( blake2b_state *S, uint8_t *out, size_t outlen )
blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );
blake2b_compress( S, S->buf );
S->buflen -= BLAKE2B_BLOCKBYTES;
- memcpy( S->buf, S->buf + BLAKE2B_BLOCKBYTES, S->buflen );
+ memmove( S->buf, S->buf + BLAKE2B_BLOCKBYTES, S->buflen );
}
blake2b_increment_counter( S, S->buflen );
diff --git a/Modules/_blake2/impl/blake2s-ref.c b/Modules/_blake2/impl/blake2s-ref.c
index baf0b58..ab86cc1 100644
--- a/Modules/_blake2/impl/blake2s-ref.c
+++ b/Modules/_blake2/impl/blake2s-ref.c
@@ -323,7 +323,7 @@ int blake2s_final( blake2s_state *S, uint8_t *out, size_t outlen )
blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
blake2s_compress( S, S->buf );
S->buflen -= BLAKE2S_BLOCKBYTES;
- memcpy( S->buf, S->buf + BLAKE2S_BLOCKBYTES, S->buflen );
+ memmove( S->buf, S->buf + BLAKE2S_BLOCKBYTES, S->buflen );
}
blake2s_increment_counter( S, ( uint32_t )S->buflen );
diff --git a/Modules/_blake2/impl/blake2s.c b/Modules/_blake2/impl/blake2s.c
index 3a04328..4751468 100644
--- a/Modules/_blake2/impl/blake2s.c
+++ b/Modules/_blake2/impl/blake2s.c
@@ -363,7 +363,7 @@ int blake2s_final( blake2s_state *S, uint8_t *out, size_t outlen )
blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
blake2s_compress( S, S->buf );
S->buflen -= BLAKE2S_BLOCKBYTES;
- memcpy( S->buf, S->buf + BLAKE2S_BLOCKBYTES, S->buflen );
+ memmove( S->buf, S->buf + BLAKE2S_BLOCKBYTES, S->buflen );
}
blake2s_increment_counter( S, ( uint32_t )S->buflen );