[CRYPTO] tcrypt: Add self test for des3_ebe cipher operating in cbc mode

Patch to add checking  of DES3 test vectors using CBC mode.  FIPS-140-2
compliance mandates that any supported mode of operation must include a self
test.  This satisfies that requirement for cbc(des3_ede).  The included test
vector was generated by me using openssl.  Key/IV was generated with the
following command:

	openssl enc -des_ede_cbc -P

input and output values were generated by repeating the string "Too many
secrets" a few times over, truncating it to 128 bytes, and encrypting it with
openssl using the aformentioned key.  Tested successfully by myself

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Adrian-Ken Rueegsegger <rueegsegger@swiss-it.ch>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 16 insertions, 0 deletions

diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index e99cb4bc5463..ffc1ec6d279e 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -1220,6 +1220,14 @@ static void do_test(void)
                 test_cipher("ecb(des3_ede)", DECRYPT, des3_ede_dec_tv_template,
                             DES3_EDE_DEC_TEST_VECTORS);
 
+                test_cipher("cbc(des3_ede)", ENCRYPT,
+                            des3_ede_cbc_enc_tv_template,
+                            DES3_EDE_CBC_ENC_TEST_VECTORS);
+
+                test_cipher("cbc(des3_ede)", DECRYPT,
+                            des3_ede_cbc_dec_tv_template,
+                            DES3_EDE_CBC_DEC_TEST_VECTORS);
+
                 test_hash("md4", md4_tv_template, MD4_TEST_VECTORS);
 
                 test_hash("sha224", sha224_tv_template, SHA224_TEST_VECTORS);
@@ -1430,6 +1438,14 @@ static void do_test(void)
                             DES3_EDE_ENC_TEST_VECTORS);
                 test_cipher("ecb(des3_ede)", DECRYPT, des3_ede_dec_tv_template,
                             DES3_EDE_DEC_TEST_VECTORS);
+
+                test_cipher("cbc(des3_ede)", ENCRYPT,
+                            des3_ede_cbc_enc_tv_template,
+                            DES3_EDE_CBC_ENC_TEST_VECTORS);
+
+                test_cipher("cbc(des3_ede)", DECRYPT,
+                            des3_ede_cbc_dec_tv_template,
+                            DES3_EDE_CBC_DEC_TEST_VECTORS);
                 break;
 
         case 5: