[SUNRPC] GSS: Use block ciphers where applicable

This patch converts SUNRPC/GSS to use the new block cipher type where
applicable.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 32 insertions, 25 deletions

diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index 76b969e6904f..57192dfe3065 100644
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -49,7 +49,7 @@
 
 u32
 krb5_encrypt(
-        struct crypto_tfm *tfm,
+        struct crypto_blkcipher *tfm,
         void * iv,
         void * in,
         void * out,
@@ -58,26 +58,27 @@ krb5_encrypt(
         u32 ret = -EINVAL;
         struct scatterlist sg[1];
         u8 local_iv[16] = {0};
+        struct blkcipher_desc desc = { .tfm = tfm, .info = local_iv };
 
         dprintk("RPC:      krb5_encrypt: input data:\n");
         print_hexl((u32 *)in, length, 0);
 
-        if (length % crypto_tfm_alg_blocksize(tfm) != 0)
+        if (length % crypto_blkcipher_blocksize(tfm) != 0)
                 goto out;
 
-        if (crypto_tfm_alg_ivsize(tfm) > 16) {
+        if (crypto_blkcipher_ivsize(tfm) > 16) {
                 dprintk("RPC:      gss_k5encrypt: tfm iv size to large %d\n",
-                         crypto_tfm_alg_ivsize(tfm));
+                         crypto_blkcipher_ivsize(tfm));
                 goto out;
         }
 
         if (iv)
-                memcpy(local_iv, iv, crypto_tfm_alg_ivsize(tfm));
+                memcpy(local_iv, iv, crypto_blkcipher_ivsize(tfm));
 
         memcpy(out, in, length);
         sg_set_buf(sg, out, length);
 
-        ret = crypto_cipher_encrypt_iv(tfm, sg, sg, length, local_iv);
+        ret = crypto_blkcipher_encrypt_iv(&desc, sg, sg, length);
 
         dprintk("RPC:      krb5_encrypt: output data:\n");
         print_hexl((u32 *)out, length, 0);
@@ -90,7 +91,7 @@ EXPORT_SYMBOL(krb5_encrypt);
 
 u32
 krb5_decrypt(
-     struct crypto_tfm *tfm,
+     struct crypto_blkcipher *tfm,
      void * iv,
      void * in,
      void * out,
@@ -99,25 +100,26 @@ krb5_decrypt(
         u32 ret = -EINVAL;
         struct scatterlist sg[1];
         u8 local_iv[16] = {0};
+        struct blkcipher_desc desc = { .tfm = tfm, .info = local_iv };
 
         dprintk("RPC:      krb5_decrypt: input data:\n");
         print_hexl((u32 *)in, length, 0);
 
-        if (length % crypto_tfm_alg_blocksize(tfm) != 0)
+        if (length % crypto_blkcipher_blocksize(tfm) != 0)
                 goto out;
 
-        if (crypto_tfm_alg_ivsize(tfm) > 16) {
+        if (crypto_blkcipher_ivsize(tfm) > 16) {
                 dprintk("RPC:      gss_k5decrypt: tfm iv size to large %d\n",
-                        crypto_tfm_alg_ivsize(tfm));
+                        crypto_blkcipher_ivsize(tfm));
                 goto out;
         }
         if (iv)
-                memcpy(local_iv,iv, crypto_tfm_alg_ivsize(tfm));
+                memcpy(local_iv,iv, crypto_blkcipher_ivsize(tfm));
 
         memcpy(out, in, length);
         sg_set_buf(sg, out, length);
 
-        ret = crypto_cipher_decrypt_iv(tfm, sg, sg, length, local_iv);
+        ret = crypto_blkcipher_decrypt_iv(&desc, sg, sg, length);
 
         dprintk("RPC:      krb5_decrypt: output_data:\n");
         print_hexl((u32 *)out, length, 0);
@@ -240,7 +242,7 @@ EXPORT_SYMBOL(make_checksum);
 
 struct encryptor_desc {
         u8 iv[8]; /* XXX hard-coded blocksize */
-        struct crypto_tfm *tfm;
+        struct blkcipher_desc desc;
         int pos;
         struct xdr_buf *outbuf;
         struct page **pages;
@@ -285,8 +287,8 @@ encryptor(struct scatterlist *sg, void *data)
         if (thislen == 0)
                 return 0;
 
-        ret = crypto_cipher_encrypt_iv(desc->tfm, desc->outfrags, desc->infrags,
-                                        thislen, desc->iv);
+        ret = crypto_blkcipher_encrypt_iv(&desc->desc, desc->outfrags,
+                                          desc->infrags, thislen);
         if (ret)
                 return ret;
         if (fraglen) {
@@ -305,16 +307,18 @@ encryptor(struct scatterlist *sg, void *data)
 }
 
 int
-gss_encrypt_xdr_buf(struct crypto_tfm *tfm, struct xdr_buf *buf, int offset,
-                struct page **pages)
+gss_encrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *buf,
+                    int offset, struct page **pages)
 {
         int ret;
         struct encryptor_desc desc;
 
-        BUG_ON((buf->len - offset) % crypto_tfm_alg_blocksize(tfm) != 0);
+        BUG_ON((buf->len - offset) % crypto_blkcipher_blocksize(tfm) != 0);
 
         memset(desc.iv, 0, sizeof(desc.iv));
-        desc.tfm = tfm;
+        desc.desc.tfm = tfm;
+        desc.desc.info = desc.iv;
+        desc.desc.flags = 0;
         desc.pos = offset;
         desc.outbuf = buf;
         desc.pages = pages;
@@ -329,7 +333,7 @@ EXPORT_SYMBOL(gss_encrypt_xdr_buf);
 
 struct decryptor_desc {
         u8 iv[8]; /* XXX hard-coded blocksize */
-        struct crypto_tfm *tfm;
+        struct blkcipher_desc desc;
         struct scatterlist frags[4];
         int fragno;
         int fraglen;
@@ -355,8 +359,8 @@ decryptor(struct scatterlist *sg, void *data)
         if (thislen == 0)
                 return 0;
 
-        ret = crypto_cipher_decrypt_iv(desc->tfm, desc->frags, desc->frags,
-                                        thislen, desc->iv);
+        ret = crypto_blkcipher_decrypt_iv(&desc->desc, desc->frags,
+                                          desc->frags, thislen);
         if (ret)
                 return ret;
         if (fraglen) {
@@ -373,15 +377,18 @@ decryptor(struct scatterlist *sg, void *data)
 }
 
 int
-gss_decrypt_xdr_buf(struct crypto_tfm *tfm, struct xdr_buf *buf, int offset)
+gss_decrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *buf,
+                    int offset)
 {
         struct decryptor_desc desc;
 
         /* XXXJBF: */
-        BUG_ON((buf->len - offset) % crypto_tfm_alg_blocksize(tfm) != 0);
+        BUG_ON((buf->len - offset) % crypto_blkcipher_blocksize(tfm) != 0);
 
         memset(desc.iv, 0, sizeof(desc.iv));
-        desc.tfm = tfm;
+        desc.desc.tfm = tfm;
+        desc.desc.info = desc.iv;
+        desc.desc.flags = 0;
         desc.fragno = 0;
         desc.fraglen = 0;
         return process_xdr_buf(buf, offset, buf->len - offset, decryptor, &desc);