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-rw-r--r--crypto/tcrypt.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index a0c4e0dbffa4..69c8e6392ffc 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -329,10 +329,30 @@ static void test_aead_speed(const char *algo, int enc, unsigned int secs,
*b_size + (enc ? authsize : 0), assoc,
aad_size);
+ aead_request_set_ad(req, aad_size);
+
+ if (!enc) {
+
+ /*
+ * For decryption we need a proper auth so
+ * we do the encryption path once with buffers
+ * reversed (input <-> output) to calculate it
+ */
+ aead_request_set_crypt(req, sgout, sg,
+ *b_size, iv);
+ ret = do_one_aead_op(req,
+ crypto_aead_encrypt(req));
+
+ if (ret) {
+ pr_err("calculating auth failed failed (%d)\n",
+ ret);
+ break;
+ }
+ }
+
aead_request_set_crypt(req, sg, sgout,
*b_size + (enc ? 0 : authsize),
iv);
- aead_request_set_ad(req, aad_size);
if (secs)
ret = test_aead_jiffies(req, enc, *b_size,
@@ -1566,16 +1586,24 @@ static int do_test(const char *alg, u32 type, u32 mask, int m)
NULL, 0, 16, 16, aead_speed_template_20);
test_aead_speed("gcm(aes)", ENCRYPT, sec,
NULL, 0, 16, 8, speed_template_16_24_32);
+ test_aead_speed("rfc4106(gcm(aes))", DECRYPT, sec,
+ NULL, 0, 16, 16, aead_speed_template_20);
+ test_aead_speed("gcm(aes)", DECRYPT, sec,
+ NULL, 0, 16, 8, speed_template_16_24_32);
break;
case 212:
test_aead_speed("rfc4309(ccm(aes))", ENCRYPT, sec,
NULL, 0, 16, 16, aead_speed_template_19);
+ test_aead_speed("rfc4309(ccm(aes))", DECRYPT, sec,
+ NULL, 0, 16, 16, aead_speed_template_19);
break;
case 213:
test_aead_speed("rfc7539esp(chacha20,poly1305)", ENCRYPT, sec,
NULL, 0, 16, 8, aead_speed_template_36);
+ test_aead_speed("rfc7539esp(chacha20,poly1305)", DECRYPT, sec,
+ NULL, 0, 16, 8, aead_speed_template_36);
break;
case 214: