From: Chuck Lever <chuck.lever@xxxxxxxxxx>
Add tests for the new-to-RPCSEC Camellia cipher.
Tested-by: Scott Mayhew <smayhew@xxxxxxxxxx>
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
net/sunrpc/auth_gss/gss_krb5_test.c | 400 +++++++++++++++++++++++++++++++++++
1 file changed, 400 insertions(+)
diff --git a/net/sunrpc/auth_gss/gss_krb5_test.c b/net/sunrpc/auth_gss/gss_krb5_test.c
index ea8cba8c3eb3..3d8d41aab5fe 100644
--- a/net/sunrpc/auth_gss/gss_krb5_test.c
+++ b/net/sunrpc/auth_gss/gss_krb5_test.c
@@ -23,10 +23,12 @@ struct gss_krb5_test_param {
const char *desc;
u32 enctype;
u32 nfold;
+ u32 constant;
const struct xdr_netobj *base_key;
const struct xdr_netobj *Ke;
const struct xdr_netobj *usage;
const struct xdr_netobj *plaintext;
+ const struct xdr_netobj *confounder;
const struct xdr_netobj *expected_result;
const struct xdr_netobj *next_iv;
};
@@ -999,6 +1001,399 @@ static const struct gss_krb5_test_param rfc6803_checksum_test_params[] = {
KUNIT_ARRAY_PARAM(rfc6803_checksum, rfc6803_checksum_test_params,
gss_krb5_get_desc);
+/*
+ * From RFC 6803 Section 10. Test vectors
+ *
+ * Sample encryptions (all using the default cipher state)
+ *
+ * Copyright (c) 2012 IETF Trust and the persons identified as the
+ * document authors. All rights reserved.
+ *
+ * Key usage values are from errata 4326 against RFC 6803.
+ */
+
+static const struct xdr_netobj rfc6803_enc_empty_plaintext = {
+ .len = 0,
+};
+
+DEFINE_STR_XDR_NETOBJ(rfc6803_enc_1byte_plaintext, "1");
+DEFINE_STR_XDR_NETOBJ(rfc6803_enc_9byte_plaintext, "9 bytesss");
+DEFINE_STR_XDR_NETOBJ(rfc6803_enc_13byte_plaintext, "13 bytes byte");
+DEFINE_STR_XDR_NETOBJ(rfc6803_enc_30byte_plaintext,
+ "30 bytes bytes bytes bytes byt"
+);
+
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test1_confounder,
+ 0xb6, 0x98, 0x22, 0xa1, 0x9a, 0x6b, 0x09, 0xc0,
+ 0xeb, 0xc8, 0x55, 0x7d, 0x1f, 0x1b, 0x6c, 0x0a
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test1_basekey,
+ 0x1d, 0xc4, 0x6a, 0x8d, 0x76, 0x3f, 0x4f, 0x93,
+ 0x74, 0x2b, 0xcb, 0xa3, 0x38, 0x75, 0x76, 0xc3
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test1_expected_result,
+ 0xc4, 0x66, 0xf1, 0x87, 0x10, 0x69, 0x92, 0x1e,
+ 0xdb, 0x7c, 0x6f, 0xde, 0x24, 0x4a, 0x52, 0xdb,
+ 0x0b, 0xa1, 0x0e, 0xdc, 0x19, 0x7b, 0xdb, 0x80,
+ 0x06, 0x65, 0x8c, 0xa3, 0xcc, 0xce, 0x6e, 0xb8
+);
+
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test2_confounder,
+ 0x6f, 0x2f, 0xc3, 0xc2, 0xa1, 0x66, 0xfd, 0x88,
+ 0x98, 0x96, 0x7a, 0x83, 0xde, 0x95, 0x96, 0xd9
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test2_basekey,
+ 0x50, 0x27, 0xbc, 0x23, 0x1d, 0x0f, 0x3a, 0x9d,
+ 0x23, 0x33, 0x3f, 0x1c, 0xa6, 0xfd, 0xbe, 0x7c
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test2_expected_result,
+ 0x84, 0x2d, 0x21, 0xfd, 0x95, 0x03, 0x11, 0xc0,
+ 0xdd, 0x46, 0x4a, 0x3f, 0x4b, 0xe8, 0xd6, 0xda,
+ 0x88, 0xa5, 0x6d, 0x55, 0x9c, 0x9b, 0x47, 0xd3,
+ 0xf9, 0xa8, 0x50, 0x67, 0xaf, 0x66, 0x15, 0x59,
+ 0xb8
+);
+
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test3_confounder,
+ 0xa5, 0xb4, 0xa7, 0x1e, 0x07, 0x7a, 0xee, 0xf9,
+ 0x3c, 0x87, 0x63, 0xc1, 0x8f, 0xdb, 0x1f, 0x10
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test3_basekey,
+ 0xa1, 0xbb, 0x61, 0xe8, 0x05, 0xf9, 0xba, 0x6d,
+ 0xde, 0x8f, 0xdb, 0xdd, 0xc0, 0x5c, 0xde, 0xa0
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test3_expected_result,
+ 0x61, 0x9f, 0xf0, 0x72, 0xe3, 0x62, 0x86, 0xff,
+ 0x0a, 0x28, 0xde, 0xb3, 0xa3, 0x52, 0xec, 0x0d,
+ 0x0e, 0xdf, 0x5c, 0x51, 0x60, 0xd6, 0x63, 0xc9,
+ 0x01, 0x75, 0x8c, 0xcf, 0x9d, 0x1e, 0xd3, 0x3d,
+ 0x71, 0xdb, 0x8f, 0x23, 0xaa, 0xbf, 0x83, 0x48,
+ 0xa0
+);
+
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test4_confounder,
+ 0x19, 0xfe, 0xe4, 0x0d, 0x81, 0x0c, 0x52, 0x4b,
+ 0x5b, 0x22, 0xf0, 0x18, 0x74, 0xc6, 0x93, 0xda
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test4_basekey,
+ 0x2c, 0xa2, 0x7a, 0x5f, 0xaf, 0x55, 0x32, 0x24,
+ 0x45, 0x06, 0x43, 0x4e, 0x1c, 0xef, 0x66, 0x76
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test4_expected_result,
+ 0xb8, 0xec, 0xa3, 0x16, 0x7a, 0xe6, 0x31, 0x55,
+ 0x12, 0xe5, 0x9f, 0x98, 0xa7, 0xc5, 0x00, 0x20,
+ 0x5e, 0x5f, 0x63, 0xff, 0x3b, 0xb3, 0x89, 0xaf,
+ 0x1c, 0x41, 0xa2, 0x1d, 0x64, 0x0d, 0x86, 0x15,
+ 0xc9, 0xed, 0x3f, 0xbe, 0xb0, 0x5a, 0xb6, 0xac,
+ 0xb6, 0x76, 0x89, 0xb5, 0xea
+);
+
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test5_confounder,
+ 0xca, 0x7a, 0x7a, 0xb4, 0xbe, 0x19, 0x2d, 0xab,
+ 0xd6, 0x03, 0x50, 0x6d, 0xb1, 0x9c, 0x39, 0xe2
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test5_basekey,
+ 0x78, 0x24, 0xf8, 0xc1, 0x6f, 0x83, 0xff, 0x35,
+ 0x4c, 0x6b, 0xf7, 0x51, 0x5b, 0x97, 0x3f, 0x43
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test5_expected_result,
+ 0xa2, 0x6a, 0x39, 0x05, 0xa4, 0xff, 0xd5, 0x81,
+ 0x6b, 0x7b, 0x1e, 0x27, 0x38, 0x0d, 0x08, 0x09,
+ 0x0c, 0x8e, 0xc1, 0xf3, 0x04, 0x49, 0x6e, 0x1a,
+ 0xbd, 0xcd, 0x2b, 0xdc, 0xd1, 0xdf, 0xfc, 0x66,
+ 0x09, 0x89, 0xe1, 0x17, 0xa7, 0x13, 0xdd, 0xbb,
+ 0x57, 0xa4, 0x14, 0x6c, 0x15, 0x87, 0xcb, 0xa4,
+ 0x35, 0x66, 0x65, 0x59, 0x1d, 0x22, 0x40, 0x28,
+ 0x2f, 0x58, 0x42, 0xb1, 0x05, 0xa5
+);
+
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test6_confounder,
+ 0x3c, 0xbb, 0xd2, 0xb4, 0x59, 0x17, 0x94, 0x10,
+ 0x67, 0xf9, 0x65, 0x99, 0xbb, 0x98, 0x92, 0x6c
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test6_basekey,
+ 0xb6, 0x1c, 0x86, 0xcc, 0x4e, 0x5d, 0x27, 0x57,
+ 0x54, 0x5a, 0xd4, 0x23, 0x39, 0x9f, 0xb7, 0x03,
+ 0x1e, 0xca, 0xb9, 0x13, 0xcb, 0xb9, 0x00, 0xbd,
+ 0x7a, 0x3c, 0x6d, 0xd8, 0xbf, 0x92, 0x01, 0x5b
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test6_expected_result,
+ 0x03, 0x88, 0x6d, 0x03, 0x31, 0x0b, 0x47, 0xa6,
+ 0xd8, 0xf0, 0x6d, 0x7b, 0x94, 0xd1, 0xdd, 0x83,
+ 0x7e, 0xcc, 0xe3, 0x15, 0xef, 0x65, 0x2a, 0xff,
+ 0x62, 0x08, 0x59, 0xd9, 0x4a, 0x25, 0x92, 0x66
+);
+
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test7_confounder,
+ 0xde, 0xf4, 0x87, 0xfc, 0xeb, 0xe6, 0xde, 0x63,
+ 0x46, 0xd4, 0xda, 0x45, 0x21, 0xbb, 0xa2, 0xd2
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test7_basekey,
+ 0x1b, 0x97, 0xfe, 0x0a, 0x19, 0x0e, 0x20, 0x21,
+ 0xeb, 0x30, 0x75, 0x3e, 0x1b, 0x6e, 0x1e, 0x77,
+ 0xb0, 0x75, 0x4b, 0x1d, 0x68, 0x46, 0x10, 0x35,
+ 0x58, 0x64, 0x10, 0x49, 0x63, 0x46, 0x38, 0x33
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test7_expected_result,
+ 0x2c, 0x9c, 0x15, 0x70, 0x13, 0x3c, 0x99, 0xbf,
+ 0x6a, 0x34, 0xbc, 0x1b, 0x02, 0x12, 0x00, 0x2f,
+ 0xd1, 0x94, 0x33, 0x87, 0x49, 0xdb, 0x41, 0x35,
+ 0x49, 0x7a, 0x34, 0x7c, 0xfc, 0xd9, 0xd1, 0x8a,
+ 0x12
+);
+
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test8_confounder,
+ 0xad, 0x4f, 0xf9, 0x04, 0xd3, 0x4e, 0x55, 0x53,
+ 0x84, 0xb1, 0x41, 0x00, 0xfc, 0x46, 0x5f, 0x88
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test8_basekey,
+ 0x32, 0x16, 0x4c, 0x5b, 0x43, 0x4d, 0x1d, 0x15,
+ 0x38, 0xe4, 0xcf, 0xd9, 0xbe, 0x80, 0x40, 0xfe,
+ 0x8c, 0x4a, 0xc7, 0xac, 0xc4, 0xb9, 0x3d, 0x33,
+ 0x14, 0xd2, 0x13, 0x36, 0x68, 0x14, 0x7a, 0x05
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test8_expected_result,
+ 0x9c, 0x6d, 0xe7, 0x5f, 0x81, 0x2d, 0xe7, 0xed,
+ 0x0d, 0x28, 0xb2, 0x96, 0x35, 0x57, 0xa1, 0x15,
+ 0x64, 0x09, 0x98, 0x27, 0x5b, 0x0a, 0xf5, 0x15,
+ 0x27, 0x09, 0x91, 0x3f, 0xf5, 0x2a, 0x2a, 0x9c,
+ 0x8e, 0x63, 0xb8, 0x72, 0xf9, 0x2e, 0x64, 0xc8,
+ 0x39
+);
+
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test9_confounder,
+ 0xcf, 0x9b, 0xca, 0x6d, 0xf1, 0x14, 0x4e, 0x0c,
+ 0x0a, 0xf9, 0xb8, 0xf3, 0x4c, 0x90, 0xd5, 0x14
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test9_basekey,
+ 0xb0, 0x38, 0xb1, 0x32, 0xcd, 0x8e, 0x06, 0x61,
+ 0x22, 0x67, 0xfa, 0xb7, 0x17, 0x00, 0x66, 0xd8,
+ 0x8a, 0xec, 0xcb, 0xa0, 0xb7, 0x44, 0xbf, 0xc6,
+ 0x0d, 0xc8, 0x9b, 0xca, 0x18, 0x2d, 0x07, 0x15
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test9_expected_result,
+ 0xee, 0xec, 0x85, 0xa9, 0x81, 0x3c, 0xdc, 0x53,
+ 0x67, 0x72, 0xab, 0x9b, 0x42, 0xde, 0xfc, 0x57,
+ 0x06, 0xf7, 0x26, 0xe9, 0x75, 0xdd, 0xe0, 0x5a,
+ 0x87, 0xeb, 0x54, 0x06, 0xea, 0x32, 0x4c, 0xa1,
+ 0x85, 0xc9, 0x98, 0x6b, 0x42, 0xaa, 0xbe, 0x79,
+ 0x4b, 0x84, 0x82, 0x1b, 0xee
+);
+
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test10_confounder,
+ 0x64, 0x4d, 0xef, 0x38, 0xda, 0x35, 0x00, 0x72,
+ 0x75, 0x87, 0x8d, 0x21, 0x68, 0x55, 0xe2, 0x28
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test10_basekey,
+ 0xcc, 0xfc, 0xd3, 0x49, 0xbf, 0x4c, 0x66, 0x77,
+ 0xe8, 0x6e, 0x4b, 0x02, 0xb8, 0xea, 0xb9, 0x24,
+ 0xa5, 0x46, 0xac, 0x73, 0x1c, 0xf9, 0xbf, 0x69,
+ 0x89, 0xb9, 0x96, 0xe7, 0xd6, 0xbf, 0xbb, 0xa7
+);
+DEFINE_HEX_XDR_NETOBJ(rfc6803_enc_test10_expected_result,
+ 0x0e, 0x44, 0x68, 0x09, 0x85, 0x85, 0x5f, 0x2d,
+ 0x1f, 0x18, 0x12, 0x52, 0x9c, 0xa8, 0x3b, 0xfd,
+ 0x8e, 0x34, 0x9d, 0xe6, 0xfd, 0x9a, 0xda, 0x0b,
+ 0xaa, 0xa0, 0x48, 0xd6, 0x8e, 0x26, 0x5f, 0xeb,
+ 0xf3, 0x4a, 0xd1, 0x25, 0x5a, 0x34, 0x49, 0x99,
+ 0xad, 0x37, 0x14, 0x68, 0x87, 0xa6, 0xc6, 0x84,
+ 0x57, 0x31, 0xac, 0x7f, 0x46, 0x37, 0x6a, 0x05,
+ 0x04, 0xcd, 0x06, 0x57, 0x14, 0x74
+);
+
+static const struct gss_krb5_test_param rfc6803_encrypt_test_params[] = {
+ {
+ .desc = "Encrypt empty plaintext with camellia128-cts-cmac",
+ .enctype = ENCTYPE_CAMELLIA128_CTS_CMAC,
+ .constant = 0,
+ .base_key = &rfc6803_enc_test1_basekey,
+ .plaintext = &rfc6803_enc_empty_plaintext,
+ .confounder = &rfc6803_enc_test1_confounder,
+ .expected_result = &rfc6803_enc_test1_expected_result,
+ },
+ {
+ .desc = "Encrypt 1 byte with camellia128-cts-cmac",
+ .enctype = ENCTYPE_CAMELLIA128_CTS_CMAC,
+ .constant = 1,
+ .base_key = &rfc6803_enc_test2_basekey,
+ .plaintext = &rfc6803_enc_1byte_plaintext,
+ .confounder = &rfc6803_enc_test2_confounder,
+ .expected_result = &rfc6803_enc_test2_expected_result,
+ },
+ {
+ .desc = "Encrypt 9 bytes with camellia128-cts-cmac",
+ .enctype = ENCTYPE_CAMELLIA128_CTS_CMAC,
+ .constant = 2,
+ .base_key = &rfc6803_enc_test3_basekey,
+ .plaintext = &rfc6803_enc_9byte_plaintext,
+ .confounder = &rfc6803_enc_test3_confounder,
+ .expected_result = &rfc6803_enc_test3_expected_result,
+ },
+ {
+ .desc = "Encrypt 13 bytes with camellia128-cts-cmac",
+ .enctype = ENCTYPE_CAMELLIA128_CTS_CMAC,
+ .constant = 3,
+ .base_key = &rfc6803_enc_test4_basekey,
+ .plaintext = &rfc6803_enc_13byte_plaintext,
+ .confounder = &rfc6803_enc_test4_confounder,
+ .expected_result = &rfc6803_enc_test4_expected_result,
+ },
+ {
+ .desc = "Encrypt 30 bytes with camellia128-cts-cmac",
+ .enctype = ENCTYPE_CAMELLIA128_CTS_CMAC,
+ .constant = 4,
+ .base_key = &rfc6803_enc_test5_basekey,
+ .plaintext = &rfc6803_enc_30byte_plaintext,
+ .confounder = &rfc6803_enc_test5_confounder,
+ .expected_result = &rfc6803_enc_test5_expected_result,
+ },
+ {
+ .desc = "Encrypt empty plaintext with camellia256-cts-cmac",
+ .enctype = ENCTYPE_CAMELLIA256_CTS_CMAC,
+ .constant = 0,
+ .base_key = &rfc6803_enc_test6_basekey,
+ .plaintext = &rfc6803_enc_empty_plaintext,
+ .confounder = &rfc6803_enc_test6_confounder,
+ .expected_result = &rfc6803_enc_test6_expected_result,
+ },
+ {
+ .desc = "Encrypt 1 byte with camellia256-cts-cmac",
+ .enctype = ENCTYPE_CAMELLIA256_CTS_CMAC,
+ .constant = 1,
+ .base_key = &rfc6803_enc_test7_basekey,
+ .plaintext = &rfc6803_enc_1byte_plaintext,
+ .confounder = &rfc6803_enc_test7_confounder,
+ .expected_result = &rfc6803_enc_test7_expected_result,
+ },
+ {
+ .desc = "Encrypt 9 bytes with camellia256-cts-cmac",
+ .enctype = ENCTYPE_CAMELLIA256_CTS_CMAC,
+ .constant = 2,
+ .base_key = &rfc6803_enc_test8_basekey,
+ .plaintext = &rfc6803_enc_9byte_plaintext,
+ .confounder = &rfc6803_enc_test8_confounder,
+ .expected_result = &rfc6803_enc_test8_expected_result,
+ },
+ {
+ .desc = "Encrypt 13 bytes with camellia256-cts-cmac",
+ .enctype = ENCTYPE_CAMELLIA256_CTS_CMAC,
+ .constant = 3,
+ .base_key = &rfc6803_enc_test9_basekey,
+ .plaintext = &rfc6803_enc_13byte_plaintext,
+ .confounder = &rfc6803_enc_test9_confounder,
+ .expected_result = &rfc6803_enc_test9_expected_result,
+ },
+ {
+ .desc = "Encrypt 30 bytes with camellia256-cts-cmac",
+ .enctype = ENCTYPE_CAMELLIA256_CTS_CMAC,
+ .constant = 4,
+ .base_key = &rfc6803_enc_test10_basekey,
+ .plaintext = &rfc6803_enc_30byte_plaintext,
+ .confounder = &rfc6803_enc_test10_confounder,
+ .expected_result = &rfc6803_enc_test10_expected_result,
+ },
+};
+
+/* Creates the function rfc6803_encrypt_gen_params */
+KUNIT_ARRAY_PARAM(rfc6803_encrypt, rfc6803_encrypt_test_params,
+ gss_krb5_get_desc);
+
+static void rfc6803_encrypt_case(struct kunit *test)
+{
+ const struct gss_krb5_test_param *param = test->param_value;
+ struct crypto_sync_skcipher *cts_tfm, *cbc_tfm;
+ const struct gss_krb5_enctype *gk5e;
+ struct xdr_netobj Ke, Ki, checksum;
+ u8 usage_data[GSS_KRB5_K5CLENGTH];
+ struct xdr_netobj usage = {
+ .data = usage_data,
+ .len = sizeof(usage_data),
+ };
+ struct crypto_ahash *ahash_tfm;
+ unsigned int blocksize;
+ struct xdr_buf buf;
+ void *text;
+ size_t len;
+ u32 err;
+
+ /* Arrange */
+ gk5e = gss_krb5_lookup_enctype(param->enctype);
+ KUNIT_ASSERT_NOT_NULL(test, gk5e);
+
+ usage.data[3] = param->constant;
+
+ Ke.len = gk5e->Ke_length;
+ Ke.data = kunit_kzalloc(test, Ke.len, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, Ke.data);
+ usage.data[4] = KEY_USAGE_SEED_ENCRYPTION;
+ err = gk5e->derive_key(gk5e, param->base_key, &Ke, &usage, GFP_KERNEL);
+ KUNIT_ASSERT_EQ(test, err, 0);
+
+ cbc_tfm = crypto_alloc_sync_skcipher(gk5e->aux_cipher, 0, 0);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cbc_tfm);
+ err = crypto_sync_skcipher_setkey(cbc_tfm, Ke.data, Ke.len);
+ KUNIT_ASSERT_EQ(test, err, 0);
+
+ cts_tfm = crypto_alloc_sync_skcipher(gk5e->encrypt_name, 0, 0);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cts_tfm);
+ err = crypto_sync_skcipher_setkey(cts_tfm, Ke.data, Ke.len);
+ KUNIT_ASSERT_EQ(test, err, 0);
+ blocksize = crypto_sync_skcipher_blocksize(cts_tfm);
+
+ len = param->confounder->len + param->plaintext->len + blocksize;
+ text = kunit_kzalloc(test, len, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, text);
+ memcpy(text, param->confounder->data, param->confounder->len);
+ memcpy(text + param->confounder->len, param->plaintext->data,
+ param->plaintext->len);
+
+ memset(&buf, 0, sizeof(buf));
+ buf.head[0].iov_base = text;
+ buf.head[0].iov_len = param->confounder->len + param->plaintext->len;
+ buf.len = buf.head[0].iov_len;
+
+ checksum.len = gk5e->cksumlength;
+ checksum.data = kunit_kzalloc(test, checksum.len, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, checksum.data);
+
+ Ki.len = gk5e->Ki_length;
+ Ki.data = kunit_kzalloc(test, Ki.len, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, Ki.data);
+ usage.data[4] = KEY_USAGE_SEED_INTEGRITY;
+ err = gk5e->derive_key(gk5e, param->base_key, &Ki,
+ &usage, GFP_KERNEL);
+ KUNIT_ASSERT_EQ(test, err, 0);
+ ahash_tfm = crypto_alloc_ahash(gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ahash_tfm);
+ err = crypto_ahash_setkey(ahash_tfm, Ki.data, Ki.len);
+ KUNIT_ASSERT_EQ(test, err, 0);
+
+ /* Act */
+ err = gss_krb5_checksum(ahash_tfm, NULL, 0, &buf, 0, &checksum);
+ KUNIT_ASSERT_EQ(test, err, 0);
+
+ err = krb5_cbc_cts_encrypt(cts_tfm, cbc_tfm, 0, &buf, NULL, NULL, 0);
+ KUNIT_ASSERT_EQ(test, err, 0);
+
+ /* Assert */
+ KUNIT_EXPECT_EQ_MSG(test, param->expected_result->len,
+ buf.len + checksum.len,
+ "ciphertext length mismatch");
+ KUNIT_EXPECT_EQ_MSG(test,
+ memcmp(param->expected_result->data,
+ buf.head[0].iov_base, buf.len), 0,
+ "encrypted result mismatch");
+ KUNIT_EXPECT_EQ_MSG(test,
+ memcmp(param->expected_result->data +
+ (param->expected_result->len - checksum.len),
+ checksum.data, checksum.len), 0,
+ "HMAC mismatch");
+
+ crypto_free_ahash(ahash_tfm);
+ crypto_free_sync_skcipher(cts_tfm);
+ crypto_free_sync_skcipher(cbc_tfm);
+}
+
static struct kunit_case rfc6803_test_cases[] = {
{
.name = "RFC 6803 key derivation",
@@ -1010,6 +1405,11 @@ static struct kunit_case rfc6803_test_cases[] = {
.run_case = checksum_case,
.generate_params = rfc6803_checksum_gen_params,
},
+ {
+ .name = "RFC 6803 encryption",
+ .run_case = rfc6803_encrypt_case,
+ .generate_params = rfc6803_encrypt_gen_params,
+ },
};
static struct kunit_suite rfc6803_suite = {
