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authorNiels Möller <nisse@lysator.liu.se>2013-04-16 08:12:23 +0200
committerNiels Möller <nisse@lysator.liu.se>2013-04-16 08:16:36 +0200
commit0f10b7b44b4dd1f68078ae52d231ac23eb7dcbf6 (patch)
tree7e4da6b62628ea0281364686fa45e3ad63046e52 /umac32.c
parentaa9ccf8f4159b9ab4d1dcfb9512945e3c37f8748 (diff)
downloadnettle-0f10b7b44b4dd1f68078ae52d231ac23eb7dcbf6.tar.gz
Fixed nonce caching for umac32 and umac64.
Diffstat (limited to 'umac32.c')
-rw-r--r--umac32.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/umac32.c b/umac32.c
index 98f987e9..ce859c15 100644
--- a/umac32.c
+++ b/umac32.c
@@ -101,8 +101,11 @@ umac32_digest (struct umac32_ctx *ctx,
}
assert (ctx->count > 0);
if ( !(ctx->nonce_low & _UMAC_NONCE_CACHED))
- aes_encrypt (&ctx->pdf_key, AES_BLOCK_SIZE,
- (uint8_t *) ctx->pad_cache, ctx->nonce);
+ {
+ aes_encrypt (&ctx->pdf_key, AES_BLOCK_SIZE,
+ (uint8_t *) ctx->pad_cache, ctx->nonce);
+ ctx->nonce_low |= _UMAC_NONCE_CACHED;
+ }
pad = ctx->pad_cache[ctx->nonce_low & 3];