diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h
index 02c0412..57f4a49 100644
--- a/include/linux/sunrpc/gss_krb5.h
+++ b/include/linux/sunrpc/gss_krb5.h
@@ -105,7 +105,6 @@ struct krb5_ctx {
 	struct crypto_sync_skcipher *acceptor_enc_aux;
 	struct crypto_sync_skcipher *initiator_enc_aux;
 	u8			Ksess[GSS_KRB5_MAX_KEYLEN]; /* session key */
-	u8			cksum[GSS_KRB5_MAX_KEYLEN];
 	s32			endtime;
 	atomic_t		seq_send;
 	atomic64_t		seq_send64;
@@ -235,11 +234,6 @@ enum seal_alg {
 	+ GSS_KRB5_MAX_CKSUM_LEN)
 
 u32
-make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen,
-		struct xdr_buf *body, int body_offset, u8 *cksumkey,
-		unsigned int usage, struct xdr_netobj *cksumout);
-
-u32
 make_checksum_v2(struct krb5_ctx *, char *header, int hdrlen,
 		 struct xdr_buf *body, int body_offset, u8 *key,
 		 unsigned int usage, struct xdr_netobj *cksum);
@@ -268,25 +262,6 @@ u32 gss_verify_mic_kerberos(struct gss_ctx *, struct xdr_buf *,
 	     void *iv, void *in, void *out, int length); 
 
 int
-gss_encrypt_xdr_buf(struct crypto_sync_skcipher *tfm, struct xdr_buf *outbuf,
-		    int offset, struct page **pages);
-
-int
-gss_decrypt_xdr_buf(struct crypto_sync_skcipher *tfm, struct xdr_buf *inbuf,
-		    int offset);
-
-s32
-krb5_make_seq_num(struct krb5_ctx *kctx,
-		struct crypto_sync_skcipher *key,
-		int direction,
-		u32 seqnum, unsigned char *cksum, unsigned char *buf);
-
-s32
-krb5_get_seq_num(struct krb5_ctx *kctx,
-	       unsigned char *cksum,
-	       unsigned char *buf, int *direction, u32 *seqnum);
-
-int
 xdr_extend_head(struct xdr_buf *buf, unsigned int base, unsigned int shiftlen);
 
 u32
@@ -297,11 +272,6 @@ u32 gss_verify_mic_kerberos(struct gss_ctx *, struct xdr_buf *,
 		gfp_t gfp_mask);
 
 u32
-gss_krb5_des3_make_key(const struct gss_krb5_enctype *gk5e,
-		       struct xdr_netobj *randombits,
-		       struct xdr_netobj *key);
-
-u32
 gss_krb5_aes_make_key(const struct gss_krb5_enctype *gk5e,
 		      struct xdr_netobj *randombits,
 		      struct xdr_netobj *key);
@@ -316,14 +286,5 @@ u32 gss_verify_mic_kerberos(struct gss_ctx *, struct xdr_buf *,
 		     struct xdr_buf *buf, u32 *plainoffset,
 		     u32 *plainlen);
 
-int
-krb5_rc4_setup_seq_key(struct krb5_ctx *kctx,
-		       struct crypto_sync_skcipher *cipher,
-		       unsigned char *cksum);
-
-int
-krb5_rc4_setup_enc_key(struct krb5_ctx *kctx,
-		       struct crypto_sync_skcipher *cipher,
-		       s32 seqnum);
 void
 gss_krb5_make_confounder(char *p, u32 conflen);
diff --git a/include/linux/sunrpc/gss_krb5_enctypes.h b/include/linux/sunrpc/gss_krb5_enctypes.h
index ec6234e..7a8abcf 100644
--- a/include/linux/sunrpc/gss_krb5_enctypes.h
+++ b/include/linux/sunrpc/gss_krb5_enctypes.h
@@ -1,4 +1,4 @@
 /*
  * Dumb way to share this static piece of information with nfsd
  */
-#define KRB5_SUPPORTED_ENCTYPES "18,17,16,23,3,1,2"
+#define KRB5_SUPPORTED_ENCTYPES "18,17"
diff --git a/net/sunrpc/Kconfig b/net/sunrpc/Kconfig
index ac09ca8..80c8efc 100644
--- a/net/sunrpc/Kconfig
+++ b/net/sunrpc/Kconfig
@@ -18,9 +18,8 @@ config SUNRPC_SWAP
 config RPCSEC_GSS_KRB5
 	tristate "Secure RPC: Kerberos V mechanism"
 	depends on SUNRPC && CRYPTO
-	depends on CRYPTO_MD5 && CRYPTO_DES && CRYPTO_CBC && CRYPTO_CTS
+	depends on CRYPTO_MD5 && CRYPTO_CTS
 	depends on CRYPTO_ECB && CRYPTO_HMAC && CRYPTO_SHA1 && CRYPTO_AES
-	depends on CRYPTO_ARC4
 	default y
 	select SUNRPC_GSS
 	help
diff --git a/net/sunrpc/auth_gss/Makefile b/net/sunrpc/auth_gss/Makefile
index c374268..b5a65a0 100644
--- a/net/sunrpc/auth_gss/Makefile
+++ b/net/sunrpc/auth_gss/Makefile
@@ -12,4 +12,4 @@ auth_rpcgss-y := auth_gss.o gss_generic_token.o \
 obj-$(CONFIG_RPCSEC_GSS_KRB5) += rpcsec_gss_krb5.o
 
 rpcsec_gss_krb5-y := gss_krb5_mech.o gss_krb5_seal.o gss_krb5_unseal.o \
-	gss_krb5_seqnum.o gss_krb5_wrap.o gss_krb5_crypto.o gss_krb5_keys.o
+	gss_krb5_wrap.o gss_krb5_crypto.o gss_krb5_keys.o
diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index 4f43383..896dd87 100644
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -138,230 +138,6 @@
 	return crypto_ahash_update(req);
 }
 
-static int
-arcfour_hmac_md5_usage_to_salt(unsigned int usage, u8 salt[4])
-{
-	unsigned int ms_usage;
-
-	switch (usage) {
-	case KG_USAGE_SIGN:
-		ms_usage = 15;
-		break;
-	case KG_USAGE_SEAL:
-		ms_usage = 13;
-		break;
-	default:
-		return -EINVAL;
-	}
-	salt[0] = (ms_usage >> 0) & 0xff;
-	salt[1] = (ms_usage >> 8) & 0xff;
-	salt[2] = (ms_usage >> 16) & 0xff;
-	salt[3] = (ms_usage >> 24) & 0xff;
-
-	return 0;
-}
-
-static u32
-make_checksum_hmac_md5(struct krb5_ctx *kctx, char *header, int hdrlen,
-		       struct xdr_buf *body, int body_offset, u8 *cksumkey,
-		       unsigned int usage, struct xdr_netobj *cksumout)
-{
-	struct scatterlist              sg[1];
-	int err = -1;
-	u8 *checksumdata;
-	u8 *rc4salt;
-	struct crypto_ahash *md5;
-	struct crypto_ahash *hmac_md5;
-	struct ahash_request *req;
-
-	if (cksumkey == NULL)
-		return GSS_S_FAILURE;
-
-	if (cksumout->len < kctx->gk5e->cksumlength) {
-		dprintk("%s: checksum buffer length, %u, too small for %s\n",
-			__func__, cksumout->len, kctx->gk5e->name);
-		return GSS_S_FAILURE;
-	}
-
-	rc4salt = kmalloc_array(4, sizeof(*rc4salt), GFP_NOFS);
-	if (!rc4salt)
-		return GSS_S_FAILURE;
-
-	if (arcfour_hmac_md5_usage_to_salt(usage, rc4salt)) {
-		dprintk("%s: invalid usage value %u\n", __func__, usage);
-		goto out_free_rc4salt;
-	}
-
-	checksumdata = kmalloc(GSS_KRB5_MAX_CKSUM_LEN, GFP_NOFS);
-	if (!checksumdata)
-		goto out_free_rc4salt;
-
-	md5 = crypto_alloc_ahash("md5", 0, CRYPTO_ALG_ASYNC);
-	if (IS_ERR(md5))
-		goto out_free_cksum;
-
-	hmac_md5 = crypto_alloc_ahash(kctx->gk5e->cksum_name, 0,
-				      CRYPTO_ALG_ASYNC);
-	if (IS_ERR(hmac_md5))
-		goto out_free_md5;
-
-	req = ahash_request_alloc(md5, GFP_NOFS);
-	if (!req)
-		goto out_free_hmac_md5;
-
-	ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL);
-
-	err = crypto_ahash_init(req);
-	if (err)
-		goto out;
-	sg_init_one(sg, rc4salt, 4);
-	ahash_request_set_crypt(req, sg, NULL, 4);
-	err = crypto_ahash_update(req);
-	if (err)
-		goto out;
-
-	sg_init_one(sg, header, hdrlen);
-	ahash_request_set_crypt(req, sg, NULL, hdrlen);
-	err = crypto_ahash_update(req);
-	if (err)
-		goto out;
-	err = xdr_process_buf(body, body_offset, body->len - body_offset,
-			      checksummer, req);
-	if (err)
-		goto out;
-	ahash_request_set_crypt(req, NULL, checksumdata, 0);
-	err = crypto_ahash_final(req);
-	if (err)
-		goto out;
-
-	ahash_request_free(req);
-	req = ahash_request_alloc(hmac_md5, GFP_NOFS);
-	if (!req)
-		goto out_free_hmac_md5;
-
-	ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL);
-
-	err = crypto_ahash_setkey(hmac_md5, cksumkey, kctx->gk5e->keylength);
-	if (err)
-		goto out;
-
-	sg_init_one(sg, checksumdata, crypto_ahash_digestsize(md5));
-	ahash_request_set_crypt(req, sg, checksumdata,
-				crypto_ahash_digestsize(md5));
-	err = crypto_ahash_digest(req);
-	if (err)
-		goto out;
-
-	memcpy(cksumout->data, checksumdata, kctx->gk5e->cksumlength);
-	cksumout->len = kctx->gk5e->cksumlength;
-out:
-	ahash_request_free(req);
-out_free_hmac_md5:
-	crypto_free_ahash(hmac_md5);
-out_free_md5:
-	crypto_free_ahash(md5);
-out_free_cksum:
-	kfree(checksumdata);
-out_free_rc4salt:
-	kfree(rc4salt);
-	return err ? GSS_S_FAILURE : 0;
-}
-
-/*
- * checksum the plaintext data and hdrlen bytes of the token header
- * The checksum is performed over the first 8 bytes of the
- * gss token header and then over the data body
- */
-u32
-make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen,
-	      struct xdr_buf *body, int body_offset, u8 *cksumkey,
-	      unsigned int usage, struct xdr_netobj *cksumout)
-{
-	struct crypto_ahash *tfm;
-	struct ahash_request *req;
-	struct scatterlist              sg[1];
-	int err = -1;
-	u8 *checksumdata;
-	unsigned int checksumlen;
-
-	if (kctx->gk5e->ctype == CKSUMTYPE_HMAC_MD5_ARCFOUR)
-		return make_checksum_hmac_md5(kctx, header, hdrlen,
-					      body, body_offset,
-					      cksumkey, usage, cksumout);
-
-	if (cksumout->len < kctx->gk5e->cksumlength) {
-		dprintk("%s: checksum buffer length, %u, too small for %s\n",
-			__func__, cksumout->len, kctx->gk5e->name);
-		return GSS_S_FAILURE;
-	}
-
-	checksumdata = kmalloc(GSS_KRB5_MAX_CKSUM_LEN, GFP_NOFS);
-	if (checksumdata == NULL)
-		return GSS_S_FAILURE;
-
-	tfm = crypto_alloc_ahash(kctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC);
-	if (IS_ERR(tfm))
-		goto out_free_cksum;
-
-	req = ahash_request_alloc(tfm, GFP_NOFS);
-	if (!req)
-		goto out_free_ahash;
-
-	ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL);
-
-	checksumlen = crypto_ahash_digestsize(tfm);
-
-	if (cksumkey != NULL) {
-		err = crypto_ahash_setkey(tfm, cksumkey,
-					  kctx->gk5e->keylength);
-		if (err)
-			goto out;
-	}
-
-	err = crypto_ahash_init(req);
-	if (err)
-		goto out;
-	sg_init_one(sg, header, hdrlen);
-	ahash_request_set_crypt(req, sg, NULL, hdrlen);
-	err = crypto_ahash_update(req);
-	if (err)
-		goto out;
-	err = xdr_process_buf(body, body_offset, body->len - body_offset,
-			      checksummer, req);
-	if (err)
-		goto out;
-	ahash_request_set_crypt(req, NULL, checksumdata, 0);
-	err = crypto_ahash_final(req);
-	if (err)
-		goto out;
-
-	switch (kctx->gk5e->ctype) {
-	case CKSUMTYPE_RSA_MD5:
-		err = kctx->gk5e->encrypt(kctx->seq, NULL, checksumdata,
-					  checksumdata, checksumlen);
-		if (err)
-			goto out;
-		memcpy(cksumout->data,
-		       checksumdata + checksumlen - kctx->gk5e->cksumlength,
-		       kctx->gk5e->cksumlength);
-		break;
-	case CKSUMTYPE_HMAC_SHA1_DES3:
-		memcpy(cksumout->data, checksumdata, kctx->gk5e->cksumlength);
-		break;
-	default:
-		BUG();
-		break;
-	}
-	cksumout->len = kctx->gk5e->cksumlength;
-out:
-	ahash_request_free(req);
-out_free_ahash:
-	crypto_free_ahash(tfm);
-out_free_cksum:
-	kfree(checksumdata);
-	return err ? GSS_S_FAILURE : 0;
-}
-
 /*
  * checksum the plaintext data and hdrlen bytes of the token header
  * Per rfc4121, sec. 4.2.4, the checksum is performed over the data
@@ -526,35 +302,6 @@ struct encryptor_desc {
 	return 0;
 }
 
-int
-gss_encrypt_xdr_buf(struct crypto_sync_skcipher *tfm, struct xdr_buf *buf,
-		    int offset, struct page **pages)
-{
-	int ret;
-	struct encryptor_desc desc;
-	SYNC_SKCIPHER_REQUEST_ON_STACK(req, tfm);
-
-	BUG_ON((buf->len - offset) % crypto_sync_skcipher_blocksize(tfm) != 0);
-
-	skcipher_request_set_sync_tfm(req, tfm);
-	skcipher_request_set_callback(req, 0, NULL, NULL);
-
-	memset(desc.iv, 0, sizeof(desc.iv));
-	desc.req = req;
-	desc.pos = offset;
-	desc.outbuf = buf;
-	desc.pages = pages;
-	desc.fragno = 0;
-	desc.fraglen = 0;
-
-	sg_init_table(desc.infrags, 4);
-	sg_init_table(desc.outfrags, 4);
-
-	ret = xdr_process_buf(buf, offset, buf->len - offset, encryptor, &desc);
-	skcipher_request_zero(req);
-	return ret;
-}
-
 struct decryptor_desc {
 	u8 iv[GSS_KRB5_MAX_BLOCKSIZE];
 	struct skcipher_request *req;
@@ -609,32 +356,6 @@ struct decryptor_desc {
 	return 0;
 }
 
-int
-gss_decrypt_xdr_buf(struct crypto_sync_skcipher *tfm, struct xdr_buf *buf,
-		    int offset)
-{
-	int ret;
-	struct decryptor_desc desc;
-	SYNC_SKCIPHER_REQUEST_ON_STACK(req, tfm);
-
-	/* XXXJBF: */
-	BUG_ON((buf->len - offset) % crypto_sync_skcipher_blocksize(tfm) != 0);
-
-	skcipher_request_set_sync_tfm(req, tfm);
-	skcipher_request_set_callback(req, 0, NULL, NULL);
-
-	memset(desc.iv, 0, sizeof(desc.iv));
-	desc.req = req;
-	desc.fragno = 0;
-	desc.fraglen = 0;
-
-	sg_init_table(desc.frags, 4);
-
-	ret = xdr_process_buf(buf, offset, buf->len - offset, decryptor, &desc);
-	skcipher_request_zero(req);
-	return ret;
-}
-
 /*
  * This function makes the assumption that it was ultimately called
  * from gss_wrap().
@@ -942,147 +663,3 @@ struct decryptor_desc {
 		ret = GSS_S_FAILURE;
 	return ret;
 }
-
-/*
- * Compute Kseq given the initial session key and the checksum.
- * Set the key of the given cipher.
- */
-int
-krb5_rc4_setup_seq_key(struct krb5_ctx *kctx,
-		       struct crypto_sync_skcipher *cipher,
-		       unsigned char *cksum)
-{
-	struct crypto_shash *hmac;
-	struct shash_desc *desc;
-	u8 Kseq[GSS_KRB5_MAX_KEYLEN];
-	u32 zeroconstant = 0;
-	int err;
-
-	dprintk("%s: entered\n", __func__);
-
-	hmac = crypto_alloc_shash(kctx->gk5e->cksum_name, 0, 0);
-	if (IS_ERR(hmac)) {
-		dprintk("%s: error %ld, allocating hash '%s'\n",
-			__func__, PTR_ERR(hmac), kctx->gk5e->cksum_name);
-		return PTR_ERR(hmac);
-	}
-
-	desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(hmac),
-		       GFP_NOFS);
-	if (!desc) {
-		dprintk("%s: failed to allocate shash descriptor for '%s'\n",
-			__func__, kctx->gk5e->cksum_name);
-		crypto_free_shash(hmac);
-		return -ENOMEM;
-	}
-
-	desc->tfm = hmac;
-	desc->flags = 0;
-
-	/* Compute intermediate Kseq from session key */
-	err = crypto_shash_setkey(hmac, kctx->Ksess, kctx->gk5e->keylength);
-	if (err)
-		goto out_err;
-
-	err = crypto_shash_digest(desc, (u8 *)&zeroconstant, 4, Kseq);
-	if (err)
-		goto out_err;
-
-	/* Compute final Kseq from the checksum and intermediate Kseq */
-	err = crypto_shash_setkey(hmac, Kseq, kctx->gk5e->keylength);
-	if (err)
-		goto out_err;
-
-	err = crypto_shash_digest(desc, cksum, 8, Kseq);
-	if (err)
-		goto out_err;
-
-	err = crypto_sync_skcipher_setkey(cipher, Kseq, kctx->gk5e->keylength);
-	if (err)
-		goto out_err;
-
-	err = 0;
-
-out_err:
-	kzfree(desc);
-	crypto_free_shash(hmac);
-	dprintk("%s: returning %d\n", __func__, err);
-	return err;
-}
-
-/*
- * Compute Kcrypt given the initial session key and the plaintext seqnum.
- * Set the key of cipher kctx->enc.
- */
-int
-krb5_rc4_setup_enc_key(struct krb5_ctx *kctx,
-		       struct crypto_sync_skcipher *cipher,
-		       s32 seqnum)
-{
-	struct crypto_shash *hmac;
-	struct shash_desc *desc;
-	u8 Kcrypt[GSS_KRB5_MAX_KEYLEN];
-	u8 zeroconstant[4] = {0};
-	u8 seqnumarray[4];
-	int err, i;
-
-	dprintk("%s: entered, seqnum %u\n", __func__, seqnum);
-
-	hmac = crypto_alloc_shash(kctx->gk5e->cksum_name, 0, 0);
-	if (IS_ERR(hmac)) {
-		dprintk("%s: error %ld, allocating hash '%s'\n",
-			__func__, PTR_ERR(hmac), kctx->gk5e->cksum_name);
-		return PTR_ERR(hmac);
-	}
-
-	desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(hmac),
-		       GFP_NOFS);
-	if (!desc) {
-		dprintk("%s: failed to allocate shash descriptor for '%s'\n",
-			__func__, kctx->gk5e->cksum_name);
-		crypto_free_shash(hmac);
-		return -ENOMEM;
-	}
-
-	desc->tfm = hmac;
-	desc->flags = 0;
-
-	/* Compute intermediate Kcrypt from session key */
-	for (i = 0; i < kctx->gk5e->keylength; i++)
-		Kcrypt[i] = kctx->Ksess[i] ^ 0xf0;
-
-	err = crypto_shash_setkey(hmac, Kcrypt, kctx->gk5e->keylength);
-	if (err)
-		goto out_err;
-
-	err = crypto_shash_digest(desc, zeroconstant, 4, Kcrypt);
-	if (err)
-		goto out_err;
-
-	/* Compute final Kcrypt from the seqnum and intermediate Kcrypt */
-	err = crypto_shash_setkey(hmac, Kcrypt, kctx->gk5e->keylength);
-	if (err)
-		goto out_err;
-
-	seqnumarray[0] = (unsigned char) ((seqnum >> 24) & 0xff);
-	seqnumarray[1] = (unsigned char) ((seqnum >> 16) & 0xff);
-	seqnumarray[2] = (unsigned char) ((seqnum >> 8) & 0xff);
-	seqnumarray[3] = (unsigned char) ((seqnum >> 0) & 0xff);
-
-	err = crypto_shash_digest(desc, seqnumarray, 4, Kcrypt);
-	if (err)
-		goto out_err;
-
-	err = crypto_sync_skcipher_setkey(cipher, Kcrypt,
-					  kctx->gk5e->keylength);
-	if (err)
-		goto out_err;
-
-	err = 0;
-
-out_err:
-	kzfree(desc);
-	crypto_free_shash(hmac);
-	dprintk("%s: returning %d\n", __func__, err);
-	return err;
-}
diff --git a/net/sunrpc/auth_gss/gss_krb5_keys.c b/net/sunrpc/auth_gss/gss_krb5_keys.c
index 550fdf1..de327ae 100644
--- a/net/sunrpc/auth_gss/gss_krb5_keys.c
+++ b/net/sunrpc/auth_gss/gss_krb5_keys.c
@@ -242,59 +242,6 @@ u32 krb5_derive_key(const struct gss_krb5_enctype *gk5e,
 	return ret;
 }
 
-#define smask(step) ((1<<step)-1)
-#define pstep(x, step) (((x)&smask(step))^(((x)>>step)&smask(step)))
-#define parity_char(x) pstep(pstep(pstep((x), 4), 2), 1)
-
-static void mit_des_fixup_key_parity(u8 key[8])
-{
-	int i;
-	for (i = 0; i < 8; i++) {
-		key[i] &= 0xfe;
-		key[i] |= 1^parity_char(key[i]);
-	}
-}
-
-/*
- * This is the des3 key derivation postprocess function
- */
-u32 gss_krb5_des3_make_key(const struct gss_krb5_enctype *gk5e,
-			   struct xdr_netobj *randombits,
-			   struct xdr_netobj *key)
-{
-	int i;
-	u32 ret = EINVAL;
-
-	if (key->len != 24) {
-		dprintk("%s: key->len is %d\n", __func__, key->len);
-		goto err_out;
-	}
-	if (randombits->len != 21) {
-		dprintk("%s: randombits->len is %d\n",
-			__func__, randombits->len);
-		goto err_out;
-	}
-
-	/* take the seven bytes, move them around into the top 7 bits of the
-	   8 key bytes, then compute the parity bits.  Do this three times. */
-
-	for (i = 0; i < 3; i++) {
-		memcpy(key->data + i*8, randombits->data + i*7, 7);
-		key->data[i*8+7] = (((key->data[i*8]&1)<<1) |
-				    ((key->data[i*8+1]&1)<<2) |
-				    ((key->data[i*8+2]&1)<<3) |
-				    ((key->data[i*8+3]&1)<<4) |
-				    ((key->data[i*8+4]&1)<<5) |
-				    ((key->data[i*8+5]&1)<<6) |
-				    ((key->data[i*8+6]&1)<<7));
-
-		mit_des_fixup_key_parity(key->data + i*8);
-	}
-	ret = 0;
-err_out:
-	return ret;
-}
-
 /*
  * This is the aes key derivation postprocess function
  */
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index eab71fc..0837543 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -54,69 +54,6 @@
 
 static const struct gss_krb5_enctype supported_gss_krb5_enctypes[] = {
 	/*
-	 * DES (All DES enctypes are mapped to the same gss functionality)
-	 */
-	{
-	  .etype = ENCTYPE_DES_CBC_RAW,
-	  .ctype = CKSUMTYPE_RSA_MD5,
-	  .name = "des-cbc-crc",
-	  .encrypt_name = "cbc(des)",
-	  .cksum_name = "md5",
-	  .encrypt = krb5_encrypt,
-	  .decrypt = krb5_decrypt,
-	  .mk_key = NULL,
-	  .signalg = SGN_ALG_DES_MAC_MD5,
-	  .sealalg = SEAL_ALG_DES,
-	  .keybytes = 7,
-	  .keylength = 8,
-	  .blocksize = 8,
-	  .conflen = 8,
-	  .cksumlength = 8,
-	  .keyed_cksum = 0,
-	},
-	/*
-	 * RC4-HMAC
-	 */
-	{
-	  .etype = ENCTYPE_ARCFOUR_HMAC,
-	  .ctype = CKSUMTYPE_HMAC_MD5_ARCFOUR,
-	  .name = "rc4-hmac",
-	  .encrypt_name = "ecb(arc4)",
-	  .cksum_name = "hmac(md5)",
-	  .encrypt = krb5_encrypt,
-	  .decrypt = krb5_decrypt,
-	  .mk_key = NULL,
-	  .signalg = SGN_ALG_HMAC_MD5,
-	  .sealalg = SEAL_ALG_MICROSOFT_RC4,
-	  .keybytes = 16,
-	  .keylength = 16,
-	  .blocksize = 1,
-	  .conflen = 8,
-	  .cksumlength = 8,
-	  .keyed_cksum = 1,
-	},
-	/*
-	 * 3DES
-	 */
-	{
-	  .etype = ENCTYPE_DES3_CBC_RAW,
-	  .ctype = CKSUMTYPE_HMAC_SHA1_DES3,
-	  .name = "des3-hmac-sha1",
-	  .encrypt_name = "cbc(des3_ede)",
-	  .cksum_name = "hmac(sha1)",
-	  .encrypt = krb5_encrypt,
-	  .decrypt = krb5_decrypt,
-	  .mk_key = gss_krb5_des3_make_key,
-	  .signalg = SGN_ALG_HMAC_SHA1_DES3_KD,
-	  .sealalg = SEAL_ALG_DES3KD,
-	  .keybytes = 21,
-	  .keylength = 24,
-	  .blocksize = 8,
-	  .conflen = 8,
-	  .cksumlength = 20,
-	  .keyed_cksum = 1,
-	},
-	/*
 	 * AES128
 	 */
 	{
@@ -227,15 +164,6 @@
 	if (IS_ERR(p))
 		goto out_err;
 
-	switch (alg) {
-	case ENCTYPE_DES_CBC_CRC:
-	case ENCTYPE_DES_CBC_MD4:
-	case ENCTYPE_DES_CBC_MD5:
-		/* Map all these key types to ENCTYPE_DES_CBC_RAW */
-		alg = ENCTYPE_DES_CBC_RAW;
-		break;
-	}
-
 	if (!supported_gss_krb5_enctype(alg)) {
 		printk(KERN_WARNING "gss_kerberos_mech: unsupported "
 			"encryption key algorithm %d\n", alg);
@@ -271,81 +199,6 @@
 	return p;
 }
 
-static int
-gss_import_v1_context(const void *p, const void *end, struct krb5_ctx *ctx)
-{
-	u32 seq_send;
-	int tmp;
-
-	p = simple_get_bytes(p, end, &ctx->initiate, sizeof(ctx->initiate));
-	if (IS_ERR(p))
-		goto out_err;
-
-	/* Old format supports only DES!  Any other enctype uses new format */
-	ctx->enctype = ENCTYPE_DES_CBC_RAW;
-
-	ctx->gk5e = get_gss_krb5_enctype(ctx->enctype);
-	if (ctx->gk5e == NULL) {
-		p = ERR_PTR(-EINVAL);
-		goto out_err;
-	}
-
-	/* The downcall format was designed before we completely understood
-	 * the uses of the context fields; so it includes some stuff we
-	 * just give some minimal sanity-checking, and some we ignore
-	 * completely (like the next twenty bytes): */
-	if (unlikely(p + 20 > end || p + 20 < p)) {
-		p = ERR_PTR(-EFAULT);
-		goto out_err;
-	}
-	p += 20;
-	p = simple_get_bytes(p, end, &tmp, sizeof(tmp));
-	if (IS_ERR(p))
-		goto out_err;
-	if (tmp != SGN_ALG_DES_MAC_MD5) {
-		p = ERR_PTR(-ENOSYS);
-		goto out_err;
-	}
-	p = simple_get_bytes(p, end, &tmp, sizeof(tmp));
-	if (IS_ERR(p))
-		goto out_err;
-	if (tmp != SEAL_ALG_DES) {
-		p = ERR_PTR(-ENOSYS);
-		goto out_err;
-	}
-	p = simple_get_bytes(p, end, &ctx->endtime, sizeof(ctx->endtime));
-	if (IS_ERR(p))
-		goto out_err;
-	p = simple_get_bytes(p, end, &seq_send, sizeof(seq_send));
-	if (IS_ERR(p))
-		goto out_err;
-	atomic_set(&ctx->seq_send, seq_send);
-	p = simple_get_netobj(p, end, &ctx->mech_used);
-	if (IS_ERR(p))
-		goto out_err;
-	p = get_key(p, end, ctx, &ctx->enc);
-	if (IS_ERR(p))
-		goto out_err_free_mech;
-	p = get_key(p, end, ctx, &ctx->seq);
-	if (IS_ERR(p))
-		goto out_err_free_key1;
-	if (p != end) {
-		p = ERR_PTR(-EFAULT);
-		goto out_err_free_key2;
-	}
-
-	return 0;
-
-out_err_free_key2:
-	crypto_free_sync_skcipher(ctx->seq);
-out_err_free_key1:
-	crypto_free_sync_skcipher(ctx->enc);
-out_err_free_mech:
-	kfree(ctx->mech_used.data);
-out_err:
-	return PTR_ERR(p);
-}
-
 static struct crypto_sync_skcipher *
 context_v2_alloc_cipher(struct krb5_ctx *ctx, const char *cname, u8 *key)
 {
@@ -377,124 +230,6 @@
 }
 
 static int
-context_derive_keys_des3(struct krb5_ctx *ctx, gfp_t gfp_mask)
-{
-	struct xdr_netobj c, keyin, keyout;
-	u8 cdata[GSS_KRB5_K5CLENGTH];
-	u32 err;
-
-	c.len = GSS_KRB5_K5CLENGTH;
-	c.data = cdata;
-
-	keyin.data = ctx->Ksess;
-	keyin.len = ctx->gk5e->keylength;
-	keyout.len = ctx->gk5e->keylength;
-
-	/* seq uses the raw key */
-	ctx->seq = context_v2_alloc_cipher(ctx, ctx->gk5e->encrypt_name,
-					   ctx->Ksess);
-	if (ctx->seq == NULL)
-		goto out_err;
-
-	ctx->enc = context_v2_alloc_cipher(ctx, ctx->gk5e->encrypt_name,
-					   ctx->Ksess);
-	if (ctx->enc == NULL)
-		goto out_free_seq;
-
-	/* derive cksum */
-	set_cdata(cdata, KG_USAGE_SIGN, KEY_USAGE_SEED_CHECKSUM);
-	keyout.data = ctx->cksum;
-	err = krb5_derive_key(ctx->gk5e, &keyin, &keyout, &c, gfp_mask);
-	if (err) {
-		dprintk("%s: Error %d deriving cksum key\n",
-			__func__, err);
-		goto out_free_enc;
-	}
-
-	return 0;
-
-out_free_enc:
-	crypto_free_sync_skcipher(ctx->enc);
-out_free_seq:
-	crypto_free_sync_skcipher(ctx->seq);
-out_err:
-	return -EINVAL;
-}
-
-/*
- * Note that RC4 depends on deriving keys using the sequence
- * number or the checksum of a token.  Therefore, the final keys
- * cannot be calculated until the token is being constructed!
- */
-static int
-context_derive_keys_rc4(struct krb5_ctx *ctx)
-{
-	struct crypto_shash *hmac;
-	char sigkeyconstant[] = "signaturekey";
-	int slen = strlen(sigkeyconstant) + 1;	/* include null terminator */
-	struct shash_desc *desc;
-	int err;
-
-	dprintk("RPC:       %s: entered\n", __func__);
-	/*
-	 * derive cksum (aka Ksign) key
-	 */
-	hmac = crypto_alloc_shash(ctx->gk5e->cksum_name, 0, 0);
-	if (IS_ERR(hmac)) {
-		dprintk("%s: error %ld allocating hash '%s'\n",
-			__func__, PTR_ERR(hmac), ctx->gk5e->cksum_name);
-		err = PTR_ERR(hmac);
-		goto out_err;
-	}
-
-	err = crypto_shash_setkey(hmac, ctx->Ksess, ctx->gk5e->keylength);
-	if (err)
-		goto out_err_free_hmac;
-
-
-	desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(hmac), GFP_NOFS);
-	if (!desc) {
-		dprintk("%s: failed to allocate hash descriptor for '%s'\n",
-			__func__, ctx->gk5e->cksum_name);
-		err = -ENOMEM;
-		goto out_err_free_hmac;
-	}
-
-	desc->tfm = hmac;
-	desc->flags = 0;
-
-	err = crypto_shash_digest(desc, sigkeyconstant, slen, ctx->cksum);
-	kzfree(desc);
-	if (err)
-		goto out_err_free_hmac;
-	/*
-	 * allocate hash, and skciphers for data and seqnum encryption
-	 */
-	ctx->enc = crypto_alloc_sync_skcipher(ctx->gk5e->encrypt_name, 0, 0);
-	if (IS_ERR(ctx->enc)) {
-		err = PTR_ERR(ctx->enc);
-		goto out_err_free_hmac;
-	}
-
-	ctx->seq = crypto_alloc_sync_skcipher(ctx->gk5e->encrypt_name, 0, 0);
-	if (IS_ERR(ctx->seq)) {
-		crypto_free_sync_skcipher(ctx->enc);
-		err = PTR_ERR(ctx->seq);
-		goto out_err_free_hmac;
-	}
-
-	dprintk("RPC:       %s: returning success\n", __func__);
-
-	err = 0;
-
-out_err_free_hmac:
-	crypto_free_shash(hmac);
-out_err:
-	dprintk("RPC:       %s: returning %d\n", __func__, err);
-	return err;
-}
-
-static int
 context_derive_keys_new(struct krb5_ctx *ctx, gfp_t gfp_mask)
 {
 	struct xdr_netobj c, keyin, keyout;
@@ -635,9 +370,6 @@
 	p = simple_get_bytes(p, end, &ctx->enctype, sizeof(ctx->enctype));
 	if (IS_ERR(p))
 		goto out_err;
-	/* Map ENCTYPE_DES3_CBC_SHA1 to ENCTYPE_DES3_CBC_RAW */
-	if (ctx->enctype == ENCTYPE_DES3_CBC_SHA1)
-		ctx->enctype = ENCTYPE_DES3_CBC_RAW;
 	ctx->gk5e = get_gss_krb5_enctype(ctx->enctype);
 	if (ctx->gk5e == NULL) {
 		dprintk("gss_kerberos_mech: unsupported krb5 enctype %u\n",
@@ -665,10 +397,6 @@
 	ctx->mech_used.len = gss_kerberos_mech.gm_oid.len;
 
 	switch (ctx->enctype) {
-	case ENCTYPE_DES3_CBC_RAW:
-		return context_derive_keys_des3(ctx, gfp_mask);
-	case ENCTYPE_ARCFOUR_HMAC:
-		return context_derive_keys_rc4(ctx);
 	case ENCTYPE_AES128_CTS_HMAC_SHA1_96:
 	case ENCTYPE_AES256_CTS_HMAC_SHA1_96:
 		return context_derive_keys_new(ctx, gfp_mask);
@@ -694,11 +422,7 @@
 	if (ctx == NULL)
 		return -ENOMEM;
 
-	if (len == 85)
-		ret = gss_import_v1_context(p, end, ctx);
-	else
-		ret = gss_import_v2_context(p, end, ctx, gfp_mask);
-
+	ret = gss_import_v2_context(p, end, ctx, gfp_mask);
 	if (ret == 0) {
 		ctx_id->internal_ctx_id = ctx;
 		if (endtime)
diff --git a/net/sunrpc/auth_gss/gss_krb5_seal.c b/net/sunrpc/auth_gss/gss_krb5_seal.c
index 48fe4a5..feb0f2a 100644
--- a/net/sunrpc/auth_gss/gss_krb5_seal.c
+++ b/net/sunrpc/auth_gss/gss_krb5_seal.c
@@ -70,32 +70,6 @@
 #endif
 
 static void *
-setup_token(struct krb5_ctx *ctx, struct xdr_netobj *token)
-{
-	u16 *ptr;
-	void *krb5_hdr;
-	int body_size = GSS_KRB5_TOK_HDR_LEN + ctx->gk5e->cksumlength;
-
-	token->len = g_token_size(&ctx->mech_used, body_size);
-
-	ptr = (u16 *)token->data;
-	g_make_token_header(&ctx->mech_used, body_size, (unsigned char **)&ptr);
-
-	/* ptr now at start of header described in rfc 1964, section 1.2.1: */
-	krb5_hdr = ptr;
-	*ptr++ = KG_TOK_MIC_MSG;
-	/*
-	 * signalg is stored as if it were converted from LE to host endian, even
-	 * though it's an opaque pair of bytes according to the RFC.
-	 */
-	*ptr++ = (__force u16)cpu_to_le16(ctx->gk5e->signalg);
-	*ptr++ = SEAL_ALG_NONE;
-	*ptr = 0xffff;
-
-	return krb5_hdr;
-}
-
-static void *
 setup_token_v2(struct krb5_ctx *ctx, struct xdr_netobj *token)
 {
 	u16 *ptr;
@@ -124,45 +98,6 @@
 }
 
 static u32
-gss_get_mic_v1(struct krb5_ctx *ctx, struct xdr_buf *text,
-		struct xdr_netobj *token)
-{
-	char			cksumdata[GSS_KRB5_MAX_CKSUM_LEN];
-	struct xdr_netobj	md5cksum = {.len = sizeof(cksumdata),
-					    .data = cksumdata};
-	void			*ptr;
-	s32			now;
-	u32			seq_send;
-	u8			*cksumkey;
-
-	dprintk("RPC:       %s\n", __func__);
-	BUG_ON(ctx == NULL);
-
-	now = get_seconds();
-
-	ptr = setup_token(ctx, token);
-
-	if (ctx->gk5e->keyed_cksum)
-		cksumkey = ctx->cksum;
-	else
-		cksumkey = NULL;
-
-	if (make_checksum(ctx, ptr, 8, text, 0, cksumkey,
-			  KG_USAGE_SIGN, &md5cksum))
-		return GSS_S_FAILURE;
-
-	memcpy(ptr + GSS_KRB5_TOK_HDR_LEN, md5cksum.data, md5cksum.len);
-
-	seq_send = atomic_fetch_inc(&ctx->seq_send);
-
-	if (krb5_make_seq_num(ctx, ctx->seq, ctx->initiate ? 0 : 0xff,
-			      seq_send, ptr + GSS_KRB5_TOK_HDR_LEN, ptr + 8))
-		return GSS_S_FAILURE;
-
-	return (ctx->endtime < now) ? GSS_S_CONTEXT_EXPIRED : GSS_S_COMPLETE;
-}
-
-static u32
 gss_get_mic_v2(struct krb5_ctx *ctx, struct xdr_buf *text,
 		struct xdr_netobj *token)
 {
@@ -210,14 +145,10 @@
 	struct krb5_ctx		*ctx = gss_ctx->internal_ctx_id;
 
 	switch (ctx->enctype) {
-	default:
-		BUG();
-	case ENCTYPE_DES_CBC_RAW:
-	case ENCTYPE_DES3_CBC_RAW:
-	case ENCTYPE_ARCFOUR_HMAC:
-		return gss_get_mic_v1(ctx, text, token);
 	case ENCTYPE_AES128_CTS_HMAC_SHA1_96:
 	case ENCTYPE_AES256_CTS_HMAC_SHA1_96:
 		return gss_get_mic_v2(ctx, text, token);
+	default:
+		return GSS_S_FAILURE;
 	}
 }
diff --git a/net/sunrpc/auth_gss/gss_krb5_seqnum.c b/net/sunrpc/auth_gss/gss_krb5_seqnum.c
deleted file mode 100644
index fb66562..0000000
--- a/net/sunrpc/auth_gss/gss_krb5_seqnum.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- *  linux/net/sunrpc/gss_krb5_seqnum.c
- *
- *  Adapted from MIT Kerberos 5-1.2.1 lib/gssapi/krb5/util_seqnum.c
- *
- *  Copyright (c) 2000 The Regents of the University of Michigan.
- *  All rights reserved.
- *
- *  Andy Adamson   <andros@umich.edu>
- */
-
-/*
- * Copyright 1993 by OpenVision Technologies, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software
- * and its documentation for any purpose is hereby granted without fee,
- * provided that the above copyright notice appears in all copies and
- * that both that copyright notice and this permission notice appear in
- * supporting documentation, and that the name of OpenVision not be used
- * in advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. OpenVision makes no
- * representations about the suitability of this software for any
- * purpose.  It is provided "as is" without express or implied warranty.
- *
- * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
- * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
- * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <crypto/skcipher.h>
-#include <linux/types.h>
-#include <linux/sunrpc/gss_krb5.h>
-
-#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
-# define RPCDBG_FACILITY        RPCDBG_AUTH
-#endif
-
-static s32
-krb5_make_rc4_seq_num(struct krb5_ctx *kctx, int direction, s32 seqnum,
-		      unsigned char *cksum, unsigned char *buf)
-{
-	struct crypto_sync_skcipher *cipher;
-	unsigned char plain[8];
-	s32 code;
-
-	dprintk("RPC:       %s:\n", __func__);
-	cipher = crypto_alloc_sync_skcipher(kctx->gk5e->encrypt_name, 0, 0);
-	if (IS_ERR(cipher))
-		return PTR_ERR(cipher);
-
-	plain[0] = (unsigned char) ((seqnum >> 24) & 0xff);
-	plain[1] = (unsigned char) ((seqnum >> 16) & 0xff);
-	plain[2] = (unsigned char) ((seqnum >> 8) & 0xff);
-	plain[3] = (unsigned char) ((seqnum >> 0) & 0xff);
-	plain[4] = direction;
-	plain[5] = direction;
-	plain[6] = direction;
-	plain[7] = direction;
-
-	code = krb5_rc4_setup_seq_key(kctx, cipher, cksum);
-	if (code)
-		goto out;
-
-	code = krb5_encrypt(cipher, cksum, plain, buf, 8);
-out:
-	crypto_free_sync_skcipher(cipher);
-	return code;
-}
-s32
-krb5_make_seq_num(struct krb5_ctx *kctx,
-		struct crypto_sync_skcipher *key,
-		int direction,
-		u32 seqnum,
-		unsigned char *cksum, unsigned char *buf)
-{
-	unsigned char plain[8];
-
-	if (kctx->enctype == ENCTYPE_ARCFOUR_HMAC)
-		return krb5_make_rc4_seq_num(kctx, direction, seqnum,
-					     cksum, buf);
-
-	plain[0] = (unsigned char) (seqnum & 0xff);
-	plain[1] = (unsigned char) ((seqnum >> 8) & 0xff);
-	plain[2] = (unsigned char) ((seqnum >> 16) & 0xff);
-	plain[3] = (unsigned char) ((seqnum >> 24) & 0xff);
-
-	plain[4] = direction;
-	plain[5] = direction;
-	plain[6] = direction;
-	plain[7] = direction;
-
-	return krb5_encrypt(key, cksum, plain, buf, 8);
-}
-
-static s32
-krb5_get_rc4_seq_num(struct krb5_ctx *kctx, unsigned char *cksum,
-		     unsigned char *buf, int *direction, s32 *seqnum)
-{
-	struct crypto_sync_skcipher *cipher;
-	unsigned char plain[8];
-	s32 code;
-
-	dprintk("RPC:       %s:\n", __func__);
-	cipher = crypto_alloc_sync_skcipher(kctx->gk5e->encrypt_name, 0, 0);
-	if (IS_ERR(cipher))
-		return PTR_ERR(cipher);
-
-	code = krb5_rc4_setup_seq_key(kctx, cipher, cksum);
-	if (code)
-		goto out;
-
-	code = krb5_decrypt(cipher, cksum, buf, plain, 8);
-	if (code)
-		goto out;
-
-	if ((plain[4] != plain[5]) || (plain[4] != plain[6])
-				   || (plain[4] != plain[7])) {
-		code = (s32)KG_BAD_SEQ;
-		goto out;
-	}
-
-	*direction = plain[4];
-
-	*seqnum = ((plain[0] << 24) | (plain[1] << 16) |
-					(plain[2] << 8) | (plain[3]));
-out:
-	crypto_free_sync_skcipher(cipher);
-	return code;
-}
-
-s32
-krb5_get_seq_num(struct krb5_ctx *kctx,
-	       unsigned char *cksum,
-	       unsigned char *buf,
-	       int *direction, u32 *seqnum)
-{
-	s32 code;
-	unsigned char plain[8];
-	struct crypto_sync_skcipher *key = kctx->seq;
-
-	dprintk("RPC:       krb5_get_seq_num:\n");
-
-	if (kctx->enctype == ENCTYPE_ARCFOUR_HMAC)
-		return krb5_get_rc4_seq_num(kctx, cksum, buf,
-					    direction, seqnum);
-
-	if ((code = krb5_decrypt(key, cksum, buf, plain, 8)))
-		return code;
-
-	if ((plain[4] != plain[5]) || (plain[4] != plain[6]) ||
-	    (plain[4] != plain[7]))
-		return (s32)KG_BAD_SEQ;
-
-	*direction = plain[4];
-
-	*seqnum = ((plain[0]) |
-		   (plain[1] << 8) | (plain[2] << 16) | (plain[3] << 24));
-
-	return 0;
-}
diff --git a/net/sunrpc/auth_gss/gss_krb5_unseal.c b/net/sunrpc/auth_gss/gss_krb5_unseal.c
index ef2b25b..f0f646a 100644
--- a/net/sunrpc/auth_gss/gss_krb5_unseal.c
+++ b/net/sunrpc/auth_gss/gss_krb5_unseal.c
@@ -71,78 +71,6 @@
  * supposedly taken over. */
 
 static u32
-gss_verify_mic_v1(struct krb5_ctx *ctx,
-		struct xdr_buf *message_buffer, struct xdr_netobj *read_token)
-{
-	int			signalg;
-	int			sealalg;
-	char			cksumdata[GSS_KRB5_MAX_CKSUM_LEN];
-	struct xdr_netobj	md5cksum = {.len = sizeof(cksumdata),
-					    .data = cksumdata};
-	s32			now;
-	int			direction;
-	u32			seqnum;
-	unsigned char		*ptr = (unsigned char *)read_token->data;
-	int			bodysize;
-	u8			*cksumkey;
-
-	dprintk("RPC:       krb5_read_token\n");
-
-	if (g_verify_token_header(&ctx->mech_used, &bodysize, &ptr,
-					read_token->len))
-		return GSS_S_DEFECTIVE_TOKEN;
-
-	if ((ptr[0] != ((KG_TOK_MIC_MSG >> 8) & 0xff)) ||
-	    (ptr[1] !=  (KG_TOK_MIC_MSG & 0xff)))
-		return GSS_S_DEFECTIVE_TOKEN;
-
-	/* XXX sanity-check bodysize?? */
-
-	signalg = ptr[2] + (ptr[3] << 8);
-	if (signalg != ctx->gk5e->signalg)
-		return GSS_S_DEFECTIVE_TOKEN;
-
-	sealalg = ptr[4] + (ptr[5] << 8);
-	if (sealalg != SEAL_ALG_NONE)
-		return GSS_S_DEFECTIVE_TOKEN;
-
-	if ((ptr[6] != 0xff) || (ptr[7] != 0xff))
-		return GSS_S_DEFECTIVE_TOKEN;
-
-	if (ctx->gk5e->keyed_cksum)
-		cksumkey = ctx->cksum;
-	else
-		cksumkey = NULL;
-
-	if (make_checksum(ctx, ptr, 8, message_buffer, 0,
-			  cksumkey, KG_USAGE_SIGN, &md5cksum))
-		return GSS_S_FAILURE;
-
-	if (memcmp(md5cksum.data, ptr + GSS_KRB5_TOK_HDR_LEN,
-					ctx->gk5e->cksumlength))
-		return GSS_S_BAD_SIG;
-
-	/* it got through unscathed.  Make sure the context is unexpired */
-
-	now = get_seconds();
-
-	if (now > ctx->endtime)
-		return GSS_S_CONTEXT_EXPIRED;
-
-	/* do sequencing checks */
-
-	if (krb5_get_seq_num(ctx, ptr + GSS_KRB5_TOK_HDR_LEN, ptr + 8,
-			     &direction, &seqnum))
-		return GSS_S_FAILURE;
-
-	if ((ctx->initiate && direction != 0xff) ||
-	    (!ctx->initiate && direction != 0))
-		return GSS_S_BAD_SIG;
-
-	return GSS_S_COMPLETE;
-}
-
-static u32
 gss_verify_mic_v2(struct krb5_ctx *ctx,
 		struct xdr_buf *message_buffer, struct xdr_netobj *read_token)
 {
@@ -214,14 +142,10 @@
 	struct krb5_ctx *ctx = gss_ctx->internal_ctx_id;
 
 	switch (ctx->enctype) {
-	default:
-		BUG();
-	case ENCTYPE_DES_CBC_RAW:
-	case ENCTYPE_DES3_CBC_RAW:
-	case ENCTYPE_ARCFOUR_HMAC:
-		return gss_verify_mic_v1(ctx, message_buffer, read_token);
 	case ENCTYPE_AES128_CTS_HMAC_SHA1_96:
 	case ENCTYPE_AES256_CTS_HMAC_SHA1_96:
 		return gss_verify_mic_v2(ctx, message_buffer, read_token);
+	default:
+		return GSS_S_FAILURE;
 	}
 }
diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c
index 5cdde6c..98c99d3 100644
--- a/net/sunrpc/auth_gss/gss_krb5_wrap.c
+++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c
@@ -146,244 +146,6 @@
 	}
 }
 
-/* Assumptions: the head and tail of inbuf are ours to play with.
- * The pages, however, may be real pages in the page cache and we replace
- * them with scratch pages from **pages before writing to them. */
-/* XXX: obviously the above should be documentation of wrap interface,
- * and shouldn't be in this kerberos-specific file. */
-
-/* XXX factor out common code with seal/unseal. */
-
-static u32
-gss_wrap_kerberos_v1(struct krb5_ctx *kctx, int offset,
-		struct xdr_buf *buf, struct page **pages)
-{
-	char			cksumdata[GSS_KRB5_MAX_CKSUM_LEN];
-	struct xdr_netobj	md5cksum = {.len = sizeof(cksumdata),
-					    .data = cksumdata};
-	int			blocksize = 0, plainlen;
-	unsigned char		*ptr, *msg_start;
-	s32			now;
-	int			headlen;
-	struct page		**tmp_pages;
-	u32			seq_send;
-	u8			*cksumkey;
-	u32			conflen = kctx->gk5e->conflen;
-
-	dprintk("RPC:       %s\n", __func__);
-
-	now = get_seconds();
-
-	blocksize = crypto_sync_skcipher_blocksize(kctx->enc);
-	gss_krb5_add_padding(buf, offset, blocksize);
-	BUG_ON((buf->len - offset) % blocksize);
-	plainlen = conflen + buf->len - offset;
-
-	headlen = g_token_size(&kctx->mech_used,
-		GSS_KRB5_TOK_HDR_LEN + kctx->gk5e->cksumlength + plainlen) -
-		(buf->len - offset);
-
-	ptr = buf->head[0].iov_base + offset;
-	/* shift data to make room for header. */
-	xdr_extend_head(buf, offset, headlen);
-
-	/* XXX Would be cleverer to encrypt while copying. */
-	BUG_ON((buf->len - offset - headlen) % blocksize);
-
-	g_make_token_header(&kctx->mech_used,
-				GSS_KRB5_TOK_HDR_LEN +
-				kctx->gk5e->cksumlength + plainlen, &ptr);
-
-
-	/* ptr now at header described in rfc 1964, section 1.2.1: */
-	ptr[0] = (unsigned char) ((KG_TOK_WRAP_MSG >> 8) & 0xff);
-	ptr[1] = (unsigned char) (KG_TOK_WRAP_MSG & 0xff);
-
-	msg_start = ptr + GSS_KRB5_TOK_HDR_LEN + kctx->gk5e->cksumlength;
-
-	/*
-	 * signalg and sealalg are stored as if they were converted from LE
-	 * to host endian, even though they're opaque pairs of bytes according
-	 * to the RFC.
-	 */
-	*(__le16 *)(ptr + 2) = cpu_to_le16(kctx->gk5e->signalg);
-	*(__le16 *)(ptr + 4) = cpu_to_le16(kctx->gk5e->sealalg);
-	ptr[6] = 0xff;
-	ptr[7] = 0xff;
-
-	gss_krb5_make_confounder(msg_start, conflen);
-
-	if (kctx->gk5e->keyed_cksum)
-		cksumkey = kctx->cksum;
-	else
-		cksumkey = NULL;
-
-	/* XXXJBF: UGH!: */
-	tmp_pages = buf->pages;
-	buf->pages = pages;
-	if (make_checksum(kctx, ptr, 8, buf, offset + headlen - conflen,
-					cksumkey, KG_USAGE_SEAL, &md5cksum))
-		return GSS_S_FAILURE;
-	buf->pages = tmp_pages;
-
-	memcpy(ptr + GSS_KRB5_TOK_HDR_LEN, md5cksum.data, md5cksum.len);
-
-	seq_send = atomic_fetch_inc(&kctx->seq_send);
-
-	/* XXX would probably be more efficient to compute checksum
-	 * and encrypt at the same time: */
-	if ((krb5_make_seq_num(kctx, kctx->seq, kctx->initiate ? 0 : 0xff,
-			       seq_send, ptr + GSS_KRB5_TOK_HDR_LEN, ptr + 8)))
-		return GSS_S_FAILURE;
-
-	if (kctx->enctype == ENCTYPE_ARCFOUR_HMAC) {
-		struct crypto_sync_skcipher *cipher;
-		int err;
-		cipher = crypto_alloc_sync_skcipher(kctx->gk5e->encrypt_name,
-						    0, 0);
-		if (IS_ERR(cipher))
-			return GSS_S_FAILURE;
-
-		krb5_rc4_setup_enc_key(kctx, cipher, seq_send);
-
-		err = gss_encrypt_xdr_buf(cipher, buf,
-					  offset + headlen - conflen, pages);
-		crypto_free_sync_skcipher(cipher);
-		if (err)
-			return GSS_S_FAILURE;
-	} else {
-		if (gss_encrypt_xdr_buf(kctx->enc, buf,
-					offset + headlen - conflen, pages))
-			return GSS_S_FAILURE;
-	}
-
-	return (kctx->endtime < now) ? GSS_S_CONTEXT_EXPIRED : GSS_S_COMPLETE;
-}
-
-static u32
-gss_unwrap_kerberos_v1(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
-{
-	int			signalg;
-	int			sealalg;
-	char			cksumdata[GSS_KRB5_MAX_CKSUM_LEN];
-	struct xdr_netobj	md5cksum = {.len = sizeof(cksumdata),
-					    .data = cksumdata};
-	s32			now;
-	int			direction;
-	s32			seqnum;
-	unsigned char		*ptr;
-	int			bodysize;
-	void			*data_start, *orig_start;
-	int			data_len;
-	int			blocksize;
-	u32			conflen = kctx->gk5e->conflen;
-	int			crypt_offset;
-	u8			*cksumkey;
-
-	dprintk("RPC:       gss_unwrap_kerberos\n");
-
-	ptr = (u8 *)buf->head[0].iov_base + offset;
-	if (g_verify_token_header(&kctx->mech_used, &bodysize, &ptr,
-					buf->len - offset))
-		return GSS_S_DEFECTIVE_TOKEN;
-
-	if ((ptr[0] != ((KG_TOK_WRAP_MSG >> 8) & 0xff)) ||
-	    (ptr[1] !=  (KG_TOK_WRAP_MSG & 0xff)))
-		return GSS_S_DEFECTIVE_TOKEN;
-
-	/* XXX sanity-check bodysize?? */
-
-	/* get the sign and seal algorithms */
-
-	signalg = ptr[2] + (ptr[3] << 8);
-	if (signalg != kctx->gk5e->signalg)
-		return GSS_S_DEFECTIVE_TOKEN;
-
-	sealalg = ptr[4] + (ptr[5] << 8);
-	if (sealalg != kctx->gk5e->sealalg)
-		return GSS_S_DEFECTIVE_TOKEN;
-
-	if ((ptr[6] != 0xff) || (ptr[7] != 0xff))
-		return GSS_S_DEFECTIVE_TOKEN;
-
-	/*
-	 * Data starts after token header and checksum.  ptr points
-	 * to the beginning of the token header
-	 */
-	crypt_offset = ptr + (GSS_KRB5_TOK_HDR_LEN + kctx->gk5e->cksumlength) -
-					(unsigned char *)buf->head[0].iov_base;
-
-	/*
-	 * Need plaintext seqnum to derive encryption key for arcfour-hmac
-	 */
-	if (krb5_get_seq_num(kctx, ptr + GSS_KRB5_TOK_HDR_LEN,
-			     ptr + 8, &direction, &seqnum))
-		return GSS_S_BAD_SIG;
-
-	if ((kctx->initiate && direction != 0xff) ||
-	    (!kctx->initiate && direction != 0))
-		return GSS_S_BAD_SIG;
-
-	if (kctx->enctype == ENCTYPE_ARCFOUR_HMAC) {
-		struct crypto_sync_skcipher *cipher;
-		int err;
-
-		cipher = crypto_alloc_sync_skcipher(kctx->gk5e->encrypt_name,
-						    0, 0);
-		if (IS_ERR(cipher))
-			return GSS_S_FAILURE;
-
-		krb5_rc4_setup_enc_key(kctx, cipher, seqnum);
-
-		err = gss_decrypt_xdr_buf(cipher, buf, crypt_offset);
-		crypto_free_sync_skcipher(cipher);
-		if (err)
-			return GSS_S_DEFECTIVE_TOKEN;
-	} else {
-		if (gss_decrypt_xdr_buf(kctx->enc, buf, crypt_offset))
-			return GSS_S_DEFECTIVE_TOKEN;
-	}
-
-	if (kctx->gk5e->keyed_cksum)
-		cksumkey = kctx->cksum;
-	else
-		cksumkey = NULL;
-
-	if (make_checksum(kctx, ptr, 8, buf, crypt_offset,
-					cksumkey, KG_USAGE_SEAL, &md5cksum))
-		return GSS_S_FAILURE;
-
-	if (memcmp(md5cksum.data, ptr + GSS_KRB5_TOK_HDR_LEN,
-						kctx->gk5e->cksumlength))
-		return GSS_S_BAD_SIG;
-
-	/* it got through unscathed.  Make sure the context is unexpired */
-
-	now = get_seconds();
-
-	if (now > kctx->endtime)
-		return GSS_S_CONTEXT_EXPIRED;
-
-	/* do sequencing checks */
-
-	/* Copy the data back to the right position.  XXX: Would probably be
-	 * better to copy and encrypt at the same time. */
-
-	blocksize = crypto_sync_skcipher_blocksize(kctx->enc);
-	data_start = ptr + (GSS_KRB5_TOK_HDR_LEN + kctx->gk5e->cksumlength) +
-					conflen;
-	orig_start = buf->head[0].iov_base + offset;
-	data_len = (buf->head[0].iov_base + buf->head[0].iov_len) - data_start;
-	memmove(orig_start, data_start, data_len);
-	buf->head[0].iov_len -= (data_start - orig_start);
-	buf->len -= (data_start - orig_start);
-
-	if (gss_krb5_remove_padding(buf, blocksize))
-		return GSS_S_DEFECTIVE_TOKEN;
-
-	return GSS_S_COMPLETE;
-}
-
 /*
  * We can shift data by up to LOCAL_BUF_LEN bytes in a pass.  If we need
  * to do more than that, we shift repeatedly.  Kevin Coffman reports
@@ -588,15 +350,11 @@ static void rotate_left(u32 base, struct xdr_buf *buf, unsigned int shift)
 	struct krb5_ctx	*kctx = gctx->internal_ctx_id;
 
 	switch (kctx->enctype) {
-	default:
-		BUG();
-	case ENCTYPE_DES_CBC_RAW:
-	case ENCTYPE_DES3_CBC_RAW:
-	case ENCTYPE_ARCFOUR_HMAC:
-		return gss_wrap_kerberos_v1(kctx, offset, buf, pages);
 	case ENCTYPE_AES128_CTS_HMAC_SHA1_96:
 	case ENCTYPE_AES256_CTS_HMAC_SHA1_96:
 		return gss_wrap_kerberos_v2(kctx, offset, buf, pages);
+	default:
+		return GSS_S_FAILURE;
 	}
 }
 
@@ -606,14 +364,10 @@ static void rotate_left(u32 base, struct xdr_buf *buf, unsigned int shift)
 	struct krb5_ctx	*kctx = gctx->internal_ctx_id;
 
 	switch (kctx->enctype) {
-	default:
-		BUG();
-	case ENCTYPE_DES_CBC_RAW:
-	case ENCTYPE_DES3_CBC_RAW:
-	case ENCTYPE_ARCFOUR_HMAC:
-		return gss_unwrap_kerberos_v1(kctx, offset, buf);
 	case ENCTYPE_AES128_CTS_HMAC_SHA1_96:
 	case ENCTYPE_AES256_CTS_HMAC_SHA1_96:
 		return gss_unwrap_kerberos_v2(kctx, offset, buf);
+	default:
+		return GSS_S_FAILURE;
 	}
 }
