Author: jhb
Date: Mon May 11 20:40:30 2020
New Revision: 360920
URL: https://svnweb.freebsd.org/changeset/base/360920

Log:
  Remove incomplete support for plain MD5 from OCF.
  
  Although a few drivers supported this algorithm, there were never any
  in-kernel consumers.  cryptosoft and cryptodev never supported it,
  and there was not a software xform auth_hash for it.
  
  Reviewed by:  cem
  Relnotes:     yes
  Sponsored by: Chelsio Communications
  Differential Revision:        https://reviews.freebsd.org/D24767

Modified:
  head/share/man/man4/hifn.4
  head/share/man/man9/crypto.9
  head/sys/dev/cesa/cesa.c
  head/sys/dev/hifn/hifn7751.c
  head/sys/dev/sec/sec.c
  head/sys/mips/nlm/dev/sec/nlmsec.c
  head/sys/mips/nlm/dev/sec/nlmseclib.c
  head/sys/opencrypto/crypto.c
  head/sys/opencrypto/cryptodev.c
  head/sys/opencrypto/cryptosoft.c

Modified: head/share/man/man4/hifn.4
==============================================================================
--- head/share/man/man4/hifn.4  Mon May 11 20:34:52 2020        (r360919)
+++ head/share/man/man4/hifn.4  Mon May 11 20:40:30 2020        (r360920)
@@ -26,7 +26,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd October 19, 2009
+.Dd May 11, 2020
 .Dt HIFN 4
 .Os
 .Sh NAME
@@ -57,7 +57,7 @@ driver supports various cards containing the Hifn 7751
 The
 .Nm
 driver registers itself to accelerate DES, Triple-DES,
-AES (7955 and 7956 only), ARC4, MD5,
+AES (7955 and 7956 only), ARC4,
 MD5-HMAC, SHA1, and SHA1-HMAC operations for
 .Xr ipsec 4
 and

Modified: head/share/man/man9/crypto.9
==============================================================================
--- head/share/man/man9/crypto.9        Mon May 11 20:34:52 2020        
(r360919)
+++ head/share/man/man9/crypto.9        Mon May 11 20:40:30 2020        
(r360920)
@@ -17,7 +17,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd March 27, 2020
+.Dd May 11, 2020
 .Dt CRYPTO 9
 .Os
 .Sh NAME
@@ -106,7 +106,6 @@ The following authentication algorithms are supported:
 .It Dv CRYPTO_AES_NIST_GMAC
 .It Dv CRYPTO_BLAKE2B
 .It Dv CRYPTO_BLAKE2S
-.It Dv CRYPTO_MD5
 .It Dv CRYPTO_MD5_HMAC
 .It Dv CRYPTO_MD5_KPDK
 .It Dv CRYPTO_NULL_HMAC

Modified: head/sys/dev/cesa/cesa.c
==============================================================================
--- head/sys/dev/cesa/cesa.c    Mon May 11 20:34:52 2020        (r360919)
+++ head/sys/dev/cesa/cesa.c    Mon May 11 20:40:30 2020        (r360920)
@@ -1607,7 +1607,6 @@ cesa_auth_supported(struct cesa_softc *sc,
                    sc->sc_soc_id == MV_DEV_88F6810))
                        return (false);
                /* FALLTHROUGH */
-       case CRYPTO_MD5:
        case CRYPTO_MD5_HMAC:
        case CRYPTO_SHA1:
        case CRYPTO_SHA1_HMAC:
@@ -1686,12 +1685,6 @@ cesa_newsession(device_t dev, crypto_session_t cses,
        }
 
        switch (csp->csp_auth_alg) {
-       case CRYPTO_MD5:
-               cs->cs_mblen = 1;
-               cs->cs_hlen = (csp->csp_auth_mlen == 0) ? MD5_HASH_LEN :
-                   csp->csp_auth_mlen;
-               cs->cs_config |= CESA_CSHD_MD5;
-               break;
        case CRYPTO_MD5_HMAC:
                cs->cs_mblen = MD5_BLOCK_LEN;
                cs->cs_hlen = (csp->csp_auth_mlen == 0) ? MD5_HASH_LEN :

Modified: head/sys/dev/hifn/hifn7751.c
==============================================================================
--- head/sys/dev/hifn/hifn7751.c        Mon May 11 20:34:52 2020        
(r360919)
+++ head/sys/dev/hifn/hifn7751.c        Mon May 11 20:40:30 2020        
(r360920)
@@ -2315,7 +2315,6 @@ hifn_auth_supported(struct hifn_softc *sc,
        }
                
        switch (csp->csp_auth_alg) {
-       case CRYPTO_MD5:
        case CRYPTO_SHA1:
                break;
        case CRYPTO_MD5_HMAC:
@@ -2524,11 +2523,6 @@ hifn_process(device_t dev, struct cryptop *crp, int hi
                cmd->base_masks |= HIFN_BASE_CMD_MAC;
 
                switch (csp->csp_auth_alg) {
-               case CRYPTO_MD5:
-                       cmd->mac_masks |= HIFN_MAC_CMD_ALG_MD5 |
-                           HIFN_MAC_CMD_RESULT | HIFN_MAC_CMD_MODE_HASH |
-                           HIFN_MAC_CMD_POS_IPSEC;
-                       break;
                case CRYPTO_MD5_HMAC:
                        cmd->mac_masks |= HIFN_MAC_CMD_ALG_MD5 |
                            HIFN_MAC_CMD_RESULT | HIFN_MAC_CMD_MODE_HMAC |

Modified: head/sys/dev/sec/sec.c
==============================================================================
--- head/sys/dev/sec/sec.c      Mon May 11 20:34:52 2020        (r360919)
+++ head/sys/dev/sec/sec.c      Mon May 11 20:40:30 2020        (r360920)
@@ -1180,7 +1180,6 @@ sec_auth_supported(struct sec_softc *sc,
                if (csp->csp_auth_klen > SEC_MAX_KEY_LEN)
                        return (false);
                break;
-       case CRYPTO_MD5:
        case CRYPTO_SHA1:
                break;
        default:
@@ -1530,7 +1529,6 @@ static bool
 sec_mdeu_can_handle(u_int alg)
 {
        switch (alg) {
-       case CRYPTO_MD5:
        case CRYPTO_SHA1:
        case CRYPTO_MD5_HMAC:
        case CRYPTO_SHA1_HMAC:
@@ -1554,8 +1552,6 @@ sec_mdeu_config(const struct crypto_session_params *cs
        switch (csp->csp_auth_alg) {
        case CRYPTO_MD5_HMAC:
                *mode |= SEC_MDEU_MODE_HMAC;
-               /* FALLTHROUGH */
-       case CRYPTO_MD5:
                *eu = SEC_EU_MDEU_A;
                *mode |= SEC_MDEU_MODE_MD5;
                *hashlen = MD5_HASH_LEN;

Modified: head/sys/mips/nlm/dev/sec/nlmsec.c
==============================================================================
--- head/sys/mips/nlm/dev/sec/nlmsec.c  Mon May 11 20:34:52 2020        
(r360919)
+++ head/sys/mips/nlm/dev/sec/nlmsec.c  Mon May 11 20:40:30 2020        
(r360920)
@@ -376,7 +376,6 @@ xlp_sec_auth_supported(const struct crypto_session_par
 {
 
        switch (csp->csp_auth_alg) {
-       case CRYPTO_MD5:
        case CRYPTO_SHA1:
        case CRYPTO_MD5_HMAC:
        case CRYPTO_SHA1_HMAC:

Modified: head/sys/mips/nlm/dev/sec/nlmseclib.c
==============================================================================
--- head/sys/mips/nlm/dev/sec/nlmseclib.c       Mon May 11 20:34:52 2020        
(r360919)
+++ head/sys/mips/nlm/dev/sec/nlmseclib.c       Mon May 11 20:40:30 2020        
(r360920)
@@ -273,10 +273,6 @@ nlm_get_digest_param(struct xlp_sec_command *cmd,
     const struct crypto_session_params *csp)
 {
        switch(csp->csp_auth_alg) {
-       case CRYPTO_MD5:
-               cmd->hashalg  = NLM_HASH_MD5;
-               cmd->hashmode = NLM_HASH_MODE_SHA1;
-               break;
        case CRYPTO_SHA1:
                cmd->hashalg  = NLM_HASH_SHA;
                cmd->hashmode = NLM_HASH_MODE_SHA1;

Modified: head/sys/opencrypto/crypto.c
==============================================================================
--- head/sys/opencrypto/crypto.c        Mon May 11 20:34:52 2020        
(r360919)
+++ head/sys/opencrypto/crypto.c        Mon May 11 20:40:30 2020        
(r360920)
@@ -550,10 +550,6 @@ crypto_auth_hash(const struct crypto_session_params *c
                return (&auth_hash_key_md5);
        case CRYPTO_SHA1_KPDK:
                return (&auth_hash_key_sha1);
-#ifdef notyet
-       case CRYPTO_MD5:
-               return (&auth_hash_md5);
-#endif
        case CRYPTO_SHA1:
                return (&auth_hash_sha1);
        case CRYPTO_SHA2_224:
@@ -704,7 +700,6 @@ static enum alg_type {
        [CRYPTO_SHA1_KPDK] = ALG_KEYED_DIGEST,
        [CRYPTO_AES_CBC] = ALG_CIPHER,
        [CRYPTO_ARC4] = ALG_CIPHER,
-       [CRYPTO_MD5] = ALG_DIGEST,
        [CRYPTO_SHA1] = ALG_DIGEST,
        [CRYPTO_NULL_HMAC] = ALG_DIGEST,
        [CRYPTO_NULL_CBC] = ALG_CIPHER,

Modified: head/sys/opencrypto/cryptodev.c
==============================================================================
--- head/sys/opencrypto/cryptodev.c     Mon May 11 20:34:52 2020        
(r360919)
+++ head/sys/opencrypto/cryptodev.c     Mon May 11 20:40:30 2020        
(r360920)
@@ -506,11 +506,6 @@ cryptof_ioctl(
                                return (EINVAL);
                        }
                        break;
-#ifdef notdef
-               case CRYPTO_MD5:
-                       thash = &auth_hash_md5;
-                       break;
-#endif
                case CRYPTO_SHA1:
                        thash = &auth_hash_sha1;
                        break;

Modified: head/sys/opencrypto/cryptosoft.c
==============================================================================
--- head/sys/opencrypto/cryptosoft.c    Mon May 11 20:34:52 2020        
(r360919)
+++ head/sys/opencrypto/cryptosoft.c    Mon May 11 20:40:30 2020        
(r360920)
@@ -980,9 +980,6 @@ swcr_setup_auth(struct swcr_session *ses,
                if (csp->csp_mode == CSP_MODE_DIGEST)
                        ses->swcr_process = swcr_authcompute;
                break;
-#ifdef notdef
-       case CRYPTO_MD5:
-#endif
        case CRYPTO_SHA1:
        case CRYPTO_SHA2_224:
        case CRYPTO_SHA2_256:
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