diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index b3e0b10..2abd271 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -45,17 +45,30 @@ extern void SMBencrypt(unsigned char *passwd, const unsigned char *c8,
 static int cifs_calculate_signature(const struct smb_hdr *cifs_pdu,
 				struct TCP_Server_Info *server, char *signature)
 {
-	struct	MD5Context context;
+	int rc;
 
 	if (cifs_pdu == NULL || signature == NULL || server == NULL)
 		return -EINVAL;
 
-	cifs_MD5_init(&context);
-	cifs_MD5_update(&context, server->session_key.response,
-			server->session_key.len);
-	cifs_MD5_update(&context, cifs_pdu->Protocol, cifs_pdu->smb_buf_length);
+	if (!server->secmech.sdescmd5) {
+		cERROR(1, "%s: Can't generate signature\n", __func__);
+		return -1;
+	}
+
+	rc = crypto_shash_init(&server->secmech.sdescmd5->shash);
+	if (rc) {
+		cERROR(1, "%s: Oould not init md5\n", __func__);
+		return rc;
+	}
+
+	crypto_shash_update(&server->secmech.sdescmd5->shash,
+		server->session_key.response, server->session_key.len);
+
+	crypto_shash_update(&server->secmech.sdescmd5->shash,
+		cifs_pdu->Protocol, cifs_pdu->smb_buf_length);
+
+	rc = crypto_shash_final(&server->secmech.sdescmd5->shash, signature);
 
-	cifs_MD5_final(signature, &context);
 	return 0;
 }
 
@@ -94,15 +107,26 @@ int cifs_sign_smb(struct smb_hdr *cifs_pdu, struct TCP_Server_Info *server,
 static int cifs_calc_signature2(const struct kvec *iov, int n_vec,
 				struct TCP_Server_Info *server, char *signature)
 {
-	struct  MD5Context context;
 	int i;
+	int rc;
 
 	if (iov == NULL || signature == NULL || server == NULL)
 		return -EINVAL;
 
-	cifs_MD5_init(&context);
-	cifs_MD5_update(&context, server->session_key.response,
-				server->session_key.len);
+	if (!server->secmech.sdescmd5) {
+		cERROR(1, "%s: Can't generate signature\n", __func__);
+		return -1;
+	}
+
+	rc = crypto_shash_init(&server->secmech.sdescmd5->shash);
+	if (rc) {
+		cERROR(1, "%s: Oould not init md5\n", __func__);
+		return rc;
+	}
+
+	crypto_shash_update(&server->secmech.sdescmd5->shash,
+		server->session_key.response, server->session_key.len);
+
 	for (i = 0; i < n_vec; i++) {
 		if (iov[i].iov_len == 0)
 			continue;
@@ -115,18 +139,18 @@ static int cifs_calc_signature2(const struct kvec *iov, int n_vec,
 		if (i == 0) {
 			if (iov[0].iov_len <= 8) /* cmd field at offset 9 */
 				break; /* nothing to sign or corrupt header */
-			cifs_MD5_update(&context, iov[0].iov_base+4,
-				  iov[0].iov_len-4);
+			crypto_shash_update(&server->secmech.sdescmd5->shash,
+				iov[i].iov_base + 4, iov[i].iov_len - 4);
 		} else
-			cifs_MD5_update(&context, iov[i].iov_base, iov[i].iov_len);
+			crypto_shash_update(&server->secmech.sdescmd5->shash,
+				iov[i].iov_base, iov[i].iov_len);
 	}
 
-	cifs_MD5_final(signature, &context);
+	rc = crypto_shash_final(&server->secmech.sdescmd5->shash, signature);
 
-	return 0;
+	return rc;
 }
 
-
 int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *server,
 		   __u32 *pexpected_response_sequence_number)
 {
@@ -424,67 +448,120 @@ static int calc_ntlmv2_hash(struct cifsSesInfo *ses,
 {
 	int rc = 0;
 	int len;
-	char nt_hash[16];
-	struct HMACMD5Context *pctxt;
+	char nt_hash[CIFS_NTHASH_SIZE];
 	wchar_t *user;
 	wchar_t *domain;
+	wchar_t *server;
 
-	pctxt = kmalloc(sizeof(struct HMACMD5Context), GFP_KERNEL);
-
-	if (pctxt == NULL)
-		return -ENOMEM;
+	if (!ses->server->secmech.sdeschmacmd5) {
+		cERROR(1, "calc_ntlmv2_hash: can't generate ntlmv2 hash\n");
+		return -1;
+	}
 
 	/* calculate md4 hash of password */
 	E_md4hash(ses->password, nt_hash);
 
-	/* convert Domainname to unicode and uppercase */
-	hmac_md5_init_limK_to_64(nt_hash, 16, pctxt);
+	crypto_shash_setkey(ses->server->secmech.hmacmd5, nt_hash,
+				CIFS_NTHASH_SIZE);
+
+	rc = crypto_shash_init(&ses->server->secmech.sdeschmacmd5->shash);
+	if (rc) {
+		cERROR(1, "calc_ntlmv2_hash: could not init hmacmd5\n");
+		return rc;
+	}
 
 	/* convert ses->userName to unicode and uppercase */
 	len = strlen(ses->userName);
 	user = kmalloc(2 + (len * 2), GFP_KERNEL);
-	if (user == NULL)
+	if (user == NULL) {
+		cERROR(1, "calc_ntlmv2_hash: user mem alloc failure\n");
+		rc = -ENOMEM;
 		goto calc_exit_2;
+	}
 	len = cifs_strtoUCS((__le16 *)user, ses->userName, len, nls_cp);
 	UniStrupr(user);
-	hmac_md5_update((char *)user, 2*len, pctxt);
+
+	crypto_shash_update(&ses->server->secmech.sdeschmacmd5->shash,
+				(char *)user, 2 * len);
 
 	/* convert ses->domainName to unicode and uppercase */
 	if (ses->domainName) {
 		len = strlen(ses->domainName);
 
 		domain = kmalloc(2 + (len * 2), GFP_KERNEL);
-		if (domain == NULL)
+		if (domain == NULL) {
+			cERROR(1, "calc_ntlmv2_hash: domain mem alloc failure");
+			rc = -ENOMEM;
 			goto calc_exit_1;
+		}
 		len = cifs_strtoUCS((__le16 *)domain, ses->domainName, len,
 					nls_cp);
-		/* the following line was removed since it didn't work well
-		   with lower cased domain name that passed as an option.
-		   Maybe converting the domain name earlier makes sense */
-		/* UniStrupr(domain); */
-
-		hmac_md5_update((char *)domain, 2*len, pctxt);
-
+		crypto_shash_update(&ses->server->secmech.sdeschmacmd5->shash,
+					(char *)domain, 2 * len);
 		kfree(domain);
+	} else if (ses->serverName) {
+		len = strlen(ses->serverName);
+
+		server = kmalloc(2 + (len * 2), GFP_KERNEL);
+		if (server == NULL) {
+			cERROR(1, "calc_ntlmv2_hash: server mem alloc failure");
+			rc = -ENOMEM;
+			goto calc_exit_1;
+		}
+		len = cifs_strtoUCS((__le16 *)server, ses->serverName, len,
+					nls_cp);
+		crypto_shash_update(&ses->server->secmech.sdeschmacmd5->shash,
+					(char *)server, 2 * len);
+		kfree(server);
 	}
+
+	rc = crypto_shash_final(&ses->server->secmech.sdeschmacmd5->shash,
+					ses->ntlmv2_hash);
+
 calc_exit_1:
 	kfree(user);
 calc_exit_2:
-	/* BB FIXME what about bytes 24 through 40 of the signing key?
-	   compare with the NTLM example */
-	hmac_md5_final(ses->ntlmv2_hash, pctxt);
+	return rc;
+}
+
+static int
+CalcNTLMv2_response(const struct cifsSesInfo *ses)
+{
+	int rc;
+	unsigned int offset = CIFS_SESS_KEY_SIZE + 8;
+
+	if (!ses->server->secmech.sdeschmacmd5) {
+		cERROR(1, "calc_ntlmv2_hash: can't generate ntlmv2 hash\n");
+		return -1;
+	}
+
+	crypto_shash_setkey(ses->server->secmech.hmacmd5,
+				ses->ntlmv2_hash, CIFS_HMAC_MD5_HASH_SIZE);
+
+	rc = crypto_shash_init(&ses->server->secmech.sdeschmacmd5->shash);
+	if (rc) {
+		cERROR(1, "CalcNTLMv2_response: could not init hmacmd5");
+		return rc;
+	}
+
+	memcpy(ses->auth_key.response + offset,
+		ses->cryptKey, CIFS_SERVER_CHALLENGE_SIZE);
+	crypto_shash_update(&ses->server->secmech.sdeschmacmd5->shash,
+		ses->auth_key.response + offset, ses->auth_key.len - offset);
+
+	rc = crypto_shash_final(&ses->server->secmech.sdeschmacmd5->shash,
+		ses->auth_key.response + CIFS_SESS_KEY_SIZE);
 
-	kfree(pctxt);
 	return rc;
 }
 
+
 int
 setup_ntlmv2_rsp(struct cifsSesInfo *ses, const struct nls_table *nls_cp)
 {
 	int rc;
 	int baselen;
 	struct ntlmv2_resp *buf;
-	struct HMACMD5Context context;
 
 	if (ses->server->secType == RawNTLMSSP) {
 		if (!ses->domainName) {
@@ -527,13 +604,28 @@ setup_ntlmv2_rsp(struct cifsSesInfo *ses, const struct nls_table *nls_cp)
 		cERROR(1, "could not get v2 hash rc %d", rc);
 		goto setup_ntlmv2_rsp_ret;
 	}
-	CalcNTLMv2_response(ses);
+	rc = CalcNTLMv2_response(ses);
+	if (rc) {
+		cERROR(1, "Could not calculate CR1  rc: %d", rc);
+		goto setup_ntlmv2_rsp_ret;
+	}
 
 	/* now calculate the session key for NTLMv2 */
-	hmac_md5_init_limK_to_64(ses->ntlmv2_hash, 16, &context);
-	hmac_md5_update(ses->auth_key.response + CIFS_SESS_KEY_SIZE,
-				16, &context);
-	hmac_md5_final(ses->auth_key.response, &context);
+	crypto_shash_setkey(ses->server->secmech.hmacmd5,
+		ses->ntlmv2_hash, CIFS_HMAC_MD5_HASH_SIZE);
+
+	rc = crypto_shash_init(&ses->server->secmech.sdeschmacmd5->shash);
+	if (rc) {
+		cERROR(1, "%s: Could not init hmacmd5\n", __func__);
+		goto setup_ntlmv2_rsp_ret;
+	}
+
+	crypto_shash_update(&ses->server->secmech.sdeschmacmd5->shash,
+		ses->auth_key.response + CIFS_SESS_KEY_SIZE,
+		CIFS_HMAC_MD5_HASH_SIZE);
+
+	rc = crypto_shash_final(&ses->server->secmech.sdeschmacmd5->shash,
+		ses->auth_key.response);
 
 	return 0;
 
@@ -655,18 +747,3 @@ crypto_allocate_md5_fail:
 
 	return rc;
 }
-
-void CalcNTLMv2_response(const struct cifsSesInfo *ses)
-{
-	unsigned int offset = CIFS_SESS_KEY_SIZE + 8;
-	struct HMACMD5Context context;
-
-	/* rest of v2 struct already generated */
-	memcpy(ses->auth_key.response + offset, ses->cryptKey, 8);
-	hmac_md5_init_limK_to_64(ses->ntlmv2_hash, 16, &context);
-
-	hmac_md5_update(ses->auth_key.response + offset,
-			ses->auth_key.len - offset, &context);
-
-	hmac_md5_final(ses->auth_key.response + CIFS_SESS_KEY_SIZE, &context);
-}
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 1e4728b..edb6d90 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -366,7 +366,6 @@ extern int cifs_verify_signature(struct smb_hdr *,
 				__u32 expected_sequence_number);
 extern void SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *);
 extern int setup_ntlm_response(struct cifsSesInfo *);
-extern void CalcNTLMv2_response(const struct cifsSesInfo *);
 extern int setup_ntlmv2_rsp(struct cifsSesInfo *, const struct nls_table *);
 extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
 extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
