crypto: aead - Remove old AEAD interfaces
Now that the AEAD conversion is complete we can rip out the old AEAD interafce and associated code. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>hifive-unleashed-5.1
Herbert Xu
parent
0a139416ee
commit
b0d955ba46
606
crypto/aead.c
606
crypto/aead.c
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@ -3,7 +3,7 @@
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*
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* This file provides API support for AEAD algorithms.
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*
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* Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
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* Copyright (c) 2007-2015 Herbert Xu <herbert@gondor.apana.org.au>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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@ -21,7 +21,6 @@
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/rtnetlink.h>
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#include <linux/sched.h>
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#include <linux/slab.h>
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#include <linux/seq_file.h>
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#include <linux/cryptouser.h>
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@ -29,17 +28,6 @@
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#include "internal.h"
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struct compat_request_ctx {
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struct scatterlist src[2];
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struct scatterlist dst[2];
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struct scatterlist ivbuf[2];
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struct scatterlist *ivsg;
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struct aead_givcrypt_request subreq;
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};
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static int aead_null_givencrypt(struct aead_givcrypt_request *req);
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static int aead_null_givdecrypt(struct aead_givcrypt_request *req);
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static int setkey_unaligned(struct crypto_aead *tfm, const u8 *key,
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unsigned int keylen)
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{
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@ -55,7 +43,7 @@ static int setkey_unaligned(struct crypto_aead *tfm, const u8 *key,
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alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
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memcpy(alignbuffer, key, keylen);
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ret = tfm->setkey(tfm, alignbuffer, keylen);
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ret = crypto_aead_alg(tfm)->setkey(tfm, alignbuffer, keylen);
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memset(alignbuffer, 0, keylen);
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kfree(buffer);
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return ret;
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@ -66,12 +54,10 @@ int crypto_aead_setkey(struct crypto_aead *tfm,
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{
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unsigned long alignmask = crypto_aead_alignmask(tfm);
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tfm = tfm->child;
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if ((unsigned long)key & alignmask)
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return setkey_unaligned(tfm, key, keylen);
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return tfm->setkey(tfm, key, keylen);
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return crypto_aead_alg(tfm)->setkey(tfm, key, keylen);
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}
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EXPORT_SYMBOL_GPL(crypto_aead_setkey);
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@ -82,100 +68,17 @@ int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize)
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if (authsize > crypto_aead_maxauthsize(tfm))
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return -EINVAL;
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if (tfm->setauthsize) {
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err = tfm->setauthsize(tfm->child, authsize);
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if (crypto_aead_alg(tfm)->setauthsize) {
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err = crypto_aead_alg(tfm)->setauthsize(tfm, authsize);
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if (err)
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return err;
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}
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tfm->child->authsize = authsize;
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tfm->authsize = authsize;
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return 0;
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}
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EXPORT_SYMBOL_GPL(crypto_aead_setauthsize);
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struct aead_old_request {
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struct scatterlist srcbuf[2];
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struct scatterlist dstbuf[2];
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struct aead_request subreq;
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};
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unsigned int crypto_aead_reqsize(struct crypto_aead *tfm)
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{
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return tfm->reqsize + sizeof(struct aead_old_request);
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}
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EXPORT_SYMBOL_GPL(crypto_aead_reqsize);
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static int old_crypt(struct aead_request *req,
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int (*crypt)(struct aead_request *req))
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{
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struct aead_old_request *nreq = aead_request_ctx(req);
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struct crypto_aead *aead = crypto_aead_reqtfm(req);
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struct scatterlist *src, *dst;
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if (req->old)
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return crypt(req);
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src = scatterwalk_ffwd(nreq->srcbuf, req->src, req->assoclen);
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dst = req->src == req->dst ?
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src : scatterwalk_ffwd(nreq->dstbuf, req->dst, req->assoclen);
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aead_request_set_tfm(&nreq->subreq, aead);
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aead_request_set_callback(&nreq->subreq, aead_request_flags(req),
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req->base.complete, req->base.data);
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aead_request_set_crypt(&nreq->subreq, src, dst, req->cryptlen,
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req->iv);
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aead_request_set_assoc(&nreq->subreq, req->src, req->assoclen);
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return crypt(&nreq->subreq);
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}
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static int old_encrypt(struct aead_request *req)
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{
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struct crypto_aead *aead = crypto_aead_reqtfm(req);
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struct old_aead_alg *alg = crypto_old_aead_alg(aead);
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return old_crypt(req, alg->encrypt);
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}
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static int old_decrypt(struct aead_request *req)
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{
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struct crypto_aead *aead = crypto_aead_reqtfm(req);
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struct old_aead_alg *alg = crypto_old_aead_alg(aead);
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return old_crypt(req, alg->decrypt);
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}
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static int no_givcrypt(struct aead_givcrypt_request *req)
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{
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return -ENOSYS;
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}
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static int crypto_old_aead_init_tfm(struct crypto_tfm *tfm)
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{
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struct old_aead_alg *alg = &tfm->__crt_alg->cra_aead;
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struct crypto_aead *crt = __crypto_aead_cast(tfm);
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if (max(alg->maxauthsize, alg->ivsize) > PAGE_SIZE / 8)
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return -EINVAL;
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crt->setkey = alg->setkey;
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crt->setauthsize = alg->setauthsize;
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crt->encrypt = old_encrypt;
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crt->decrypt = old_decrypt;
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if (alg->ivsize) {
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crt->givencrypt = alg->givencrypt ?: no_givcrypt;
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crt->givdecrypt = alg->givdecrypt ?: no_givcrypt;
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} else {
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crt->givencrypt = aead_null_givencrypt;
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crt->givdecrypt = aead_null_givdecrypt;
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}
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crt->child = __crypto_aead_cast(tfm);
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crt->authsize = alg->maxauthsize;
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return 0;
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}
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static void crypto_aead_exit_tfm(struct crypto_tfm *tfm)
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{
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struct crypto_aead *aead = __crypto_aead_cast(tfm);
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@ -189,14 +92,6 @@ static int crypto_aead_init_tfm(struct crypto_tfm *tfm)
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struct crypto_aead *aead = __crypto_aead_cast(tfm);
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struct aead_alg *alg = crypto_aead_alg(aead);
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if (crypto_old_aead_alg(aead)->encrypt)
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return crypto_old_aead_init_tfm(tfm);
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aead->setkey = alg->setkey;
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aead->setauthsize = alg->setauthsize;
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aead->encrypt = alg->encrypt;
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aead->decrypt = alg->decrypt;
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aead->child = __crypto_aead_cast(tfm);
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aead->authsize = alg->maxauthsize;
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if (alg->exit)
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@ -208,64 +103,6 @@ static int crypto_aead_init_tfm(struct crypto_tfm *tfm)
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return 0;
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}
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#ifdef CONFIG_NET
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static int crypto_old_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
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{
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struct crypto_report_aead raead;
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struct old_aead_alg *aead = &alg->cra_aead;
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strncpy(raead.type, "aead", sizeof(raead.type));
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strncpy(raead.geniv, aead->geniv ?: "<built-in>", sizeof(raead.geniv));
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raead.blocksize = alg->cra_blocksize;
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raead.maxauthsize = aead->maxauthsize;
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raead.ivsize = aead->ivsize;
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if (nla_put(skb, CRYPTOCFGA_REPORT_AEAD,
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sizeof(struct crypto_report_aead), &raead))
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goto nla_put_failure;
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return 0;
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nla_put_failure:
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return -EMSGSIZE;
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}
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#else
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static int crypto_old_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
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{
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return -ENOSYS;
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}
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#endif
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static void crypto_old_aead_show(struct seq_file *m, struct crypto_alg *alg)
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__attribute__ ((unused));
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static void crypto_old_aead_show(struct seq_file *m, struct crypto_alg *alg)
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{
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struct old_aead_alg *aead = &alg->cra_aead;
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seq_printf(m, "type : aead\n");
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seq_printf(m, "async : %s\n", alg->cra_flags & CRYPTO_ALG_ASYNC ?
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"yes" : "no");
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seq_printf(m, "blocksize : %u\n", alg->cra_blocksize);
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seq_printf(m, "ivsize : %u\n", aead->ivsize);
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seq_printf(m, "maxauthsize : %u\n", aead->maxauthsize);
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seq_printf(m, "geniv : %s\n", aead->geniv ?: "<built-in>");
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}
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const struct crypto_type crypto_aead_type = {
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.extsize = crypto_alg_extsize,
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.init_tfm = crypto_aead_init_tfm,
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#ifdef CONFIG_PROC_FS
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.show = crypto_old_aead_show,
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#endif
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.report = crypto_old_aead_report,
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.lookup = crypto_lookup_aead,
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.maskclear = ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV),
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.maskset = CRYPTO_ALG_TYPE_MASK,
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.type = CRYPTO_ALG_TYPE_AEAD,
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.tfmsize = offsetof(struct crypto_aead, base),
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};
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EXPORT_SYMBOL_GPL(crypto_aead_type);
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#ifdef CONFIG_NET
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static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
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{
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@ -321,7 +158,7 @@ static void crypto_aead_free_instance(struct crypto_instance *inst)
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aead->free(aead);
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}
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static const struct crypto_type crypto_new_aead_type = {
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static const struct crypto_type crypto_aead_type = {
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.extsize = crypto_alg_extsize,
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.init_tfm = crypto_aead_init_tfm,
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.free = crypto_aead_free_instance,
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@ -335,81 +172,6 @@ static const struct crypto_type crypto_new_aead_type = {
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.tfmsize = offsetof(struct crypto_aead, base),
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};
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static int aead_null_givencrypt(struct aead_givcrypt_request *req)
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{
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return crypto_aead_encrypt(&req->areq);
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}
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static int aead_null_givdecrypt(struct aead_givcrypt_request *req)
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{
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return crypto_aead_decrypt(&req->areq);
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}
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#ifdef CONFIG_NET
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static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
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{
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struct crypto_report_aead raead;
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struct old_aead_alg *aead = &alg->cra_aead;
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strncpy(raead.type, "nivaead", sizeof(raead.type));
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strncpy(raead.geniv, aead->geniv, sizeof(raead.geniv));
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raead.blocksize = alg->cra_blocksize;
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raead.maxauthsize = aead->maxauthsize;
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raead.ivsize = aead->ivsize;
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if (nla_put(skb, CRYPTOCFGA_REPORT_AEAD,
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sizeof(struct crypto_report_aead), &raead))
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goto nla_put_failure;
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return 0;
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nla_put_failure:
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return -EMSGSIZE;
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}
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#else
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static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
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{
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return -ENOSYS;
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}
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#endif
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static void crypto_nivaead_show(struct seq_file *m, struct crypto_alg *alg)
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__attribute__ ((unused));
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static void crypto_nivaead_show(struct seq_file *m, struct crypto_alg *alg)
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{
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struct old_aead_alg *aead = &alg->cra_aead;
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seq_printf(m, "type : nivaead\n");
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seq_printf(m, "async : %s\n", alg->cra_flags & CRYPTO_ALG_ASYNC ?
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"yes" : "no");
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seq_printf(m, "blocksize : %u\n", alg->cra_blocksize);
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seq_printf(m, "ivsize : %u\n", aead->ivsize);
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seq_printf(m, "maxauthsize : %u\n", aead->maxauthsize);
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seq_printf(m, "geniv : %s\n", aead->geniv);
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}
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const struct crypto_type crypto_nivaead_type = {
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.extsize = crypto_alg_extsize,
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.init_tfm = crypto_aead_init_tfm,
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#ifdef CONFIG_PROC_FS
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.show = crypto_nivaead_show,
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#endif
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.report = crypto_nivaead_report,
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.maskclear = ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV),
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.maskset = CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV,
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.type = CRYPTO_ALG_TYPE_AEAD,
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.tfmsize = offsetof(struct crypto_aead, base),
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};
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EXPORT_SYMBOL_GPL(crypto_nivaead_type);
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static int crypto_grab_nivaead(struct crypto_aead_spawn *spawn,
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const char *name, u32 type, u32 mask)
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{
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spawn->base.frontend = &crypto_nivaead_type;
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return crypto_grab_spawn(&spawn->base, name, type, mask);
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}
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static int aead_geniv_setkey(struct crypto_aead *tfm,
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const u8 *key, unsigned int keylen)
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{
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@ -426,169 +188,6 @@ static int aead_geniv_setauthsize(struct crypto_aead *tfm,
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return crypto_aead_setauthsize(ctx->child, authsize);
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}
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static void compat_encrypt_complete2(struct aead_request *req, int err)
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{
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struct compat_request_ctx *rctx = aead_request_ctx(req);
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struct aead_givcrypt_request *subreq = &rctx->subreq;
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struct crypto_aead *geniv;
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if (err == -EINPROGRESS)
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return;
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if (err)
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goto out;
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geniv = crypto_aead_reqtfm(req);
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scatterwalk_map_and_copy(subreq->giv, rctx->ivsg, 0,
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crypto_aead_ivsize(geniv), 1);
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out:
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kzfree(subreq->giv);
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}
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static void compat_encrypt_complete(struct crypto_async_request *base, int err)
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{
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struct aead_request *req = base->data;
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compat_encrypt_complete2(req, err);
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aead_request_complete(req, err);
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}
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static int compat_encrypt(struct aead_request *req)
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{
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struct crypto_aead *geniv = crypto_aead_reqtfm(req);
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struct aead_geniv_ctx *ctx = crypto_aead_ctx(geniv);
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struct compat_request_ctx *rctx = aead_request_ctx(req);
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struct aead_givcrypt_request *subreq = &rctx->subreq;
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unsigned int ivsize = crypto_aead_ivsize(geniv);
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struct scatterlist *src, *dst;
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crypto_completion_t compl;
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void *data;
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u8 *info;
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__be64 seq;
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int err;
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if (req->cryptlen < ivsize)
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return -EINVAL;
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compl = req->base.complete;
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data = req->base.data;
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rctx->ivsg = scatterwalk_ffwd(rctx->ivbuf, req->dst, req->assoclen);
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info = PageHighMem(sg_page(rctx->ivsg)) ? NULL : sg_virt(rctx->ivsg);
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if (!info) {
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info = kmalloc(ivsize, req->base.flags &
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CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL:
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GFP_ATOMIC);
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if (!info)
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return -ENOMEM;
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compl = compat_encrypt_complete;
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data = req;
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}
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memcpy(&seq, req->iv + ivsize - sizeof(seq), sizeof(seq));
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src = scatterwalk_ffwd(rctx->src, req->src, req->assoclen + ivsize);
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dst = req->src == req->dst ?
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src : scatterwalk_ffwd(rctx->dst, rctx->ivsg, ivsize);
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aead_givcrypt_set_tfm(subreq, ctx->child);
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aead_givcrypt_set_callback(subreq, req->base.flags,
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req->base.complete, req->base.data);
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aead_givcrypt_set_crypt(subreq, src, dst,
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req->cryptlen - ivsize, req->iv);
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aead_givcrypt_set_assoc(subreq, req->src, req->assoclen);
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aead_givcrypt_set_giv(subreq, info, be64_to_cpu(seq));
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err = crypto_aead_givencrypt(subreq);
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if (unlikely(PageHighMem(sg_page(rctx->ivsg))))
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compat_encrypt_complete2(req, err);
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return err;
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}
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static int compat_decrypt(struct aead_request *req)
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{
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struct crypto_aead *geniv = crypto_aead_reqtfm(req);
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struct aead_geniv_ctx *ctx = crypto_aead_ctx(geniv);
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struct compat_request_ctx *rctx = aead_request_ctx(req);
|
||||
struct aead_request *subreq = &rctx->subreq.areq;
|
||||
unsigned int ivsize = crypto_aead_ivsize(geniv);
|
||||
struct scatterlist *src, *dst;
|
||||
crypto_completion_t compl;
|
||||
void *data;
|
||||
|
||||
if (req->cryptlen < ivsize)
|
||||
return -EINVAL;
|
||||
|
||||
aead_request_set_tfm(subreq, ctx->child);
|
||||
|
||||
compl = req->base.complete;
|
||||
data = req->base.data;
|
||||
|
||||
src = scatterwalk_ffwd(rctx->src, req->src, req->assoclen + ivsize);
|
||||
dst = req->src == req->dst ?
|
||||
src : scatterwalk_ffwd(rctx->dst, req->dst,
|
||||
req->assoclen + ivsize);
|
||||
|
||||
aead_request_set_callback(subreq, req->base.flags, compl, data);
|
||||
aead_request_set_crypt(subreq, src, dst,
|
||||
req->cryptlen - ivsize, req->iv);
|
||||
aead_request_set_assoc(subreq, req->src, req->assoclen);
|
||||
|
||||
scatterwalk_map_and_copy(req->iv, req->src, req->assoclen, ivsize, 0);
|
||||
|
||||
return crypto_aead_decrypt(subreq);
|
||||
}
|
||||
|
||||
static int compat_encrypt_first(struct aead_request *req)
|
||||
{
|
||||
struct crypto_aead *geniv = crypto_aead_reqtfm(req);
|
||||
struct aead_geniv_ctx *ctx = crypto_aead_ctx(geniv);
|
||||
int err = 0;
|
||||
|
||||
spin_lock_bh(&ctx->lock);
|
||||
if (geniv->encrypt != compat_encrypt_first)
|
||||
goto unlock;
|
||||
|
||||
geniv->encrypt = compat_encrypt;
|
||||
|
||||
unlock:
|
||||
spin_unlock_bh(&ctx->lock);
|
||||
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
return compat_encrypt(req);
|
||||
}
|
||||
|
||||
static int aead_geniv_init_compat(struct crypto_tfm *tfm)
|
||||
{
|
||||
struct crypto_aead *geniv = __crypto_aead_cast(tfm);
|
||||
struct aead_geniv_ctx *ctx = crypto_aead_ctx(geniv);
|
||||
int err;
|
||||
|
||||
spin_lock_init(&ctx->lock);
|
||||
|
||||
crypto_aead_set_reqsize(geniv, sizeof(struct compat_request_ctx));
|
||||
|
||||
err = aead_geniv_init(tfm);
|
||||
|
||||
ctx->child = geniv->child;
|
||||
geniv->child = geniv;
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static void aead_geniv_exit_compat(struct crypto_tfm *tfm)
|
||||
{
|
||||
struct crypto_aead *geniv = __crypto_aead_cast(tfm);
|
||||
struct aead_geniv_ctx *ctx = crypto_aead_ctx(geniv);
|
||||
|
||||
crypto_free_aead(ctx->child);
|
||||
}
|
||||
|
||||
struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
|
||||
struct rtattr **tb, u32 type, u32 mask)
|
||||
{
|
||||
|
|
@ -605,7 +204,7 @@ struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
|
|||
if (IS_ERR(algt))
|
||||
return ERR_CAST(algt);
|
||||
|
||||
if ((algt->type ^ (CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_GENIV)) &
|
||||
if ((algt->type ^ CRYPTO_ALG_TYPE_AEAD) &
|
||||
algt->mask & ~CRYPTO_ALG_AEAD_NEW)
|
||||
return ERR_PTR(-EINVAL);
|
||||
|
||||
|
|
@ -623,9 +222,7 @@ struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
|
|||
mask |= crypto_requires_sync(algt->type, algt->mask);
|
||||
|
||||
crypto_set_aead_spawn(spawn, aead_crypto_instance(inst));
|
||||
err = (algt->mask & CRYPTO_ALG_GENIV) ?
|
||||
crypto_grab_nivaead(spawn, name, type, mask) :
|
||||
crypto_grab_aead(spawn, name, type, mask);
|
||||
err = crypto_grab_aead(spawn, name, type, mask);
|
||||
if (err)
|
||||
goto err_free_inst;
|
||||
|
||||
|
|
@ -638,43 +235,6 @@ struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
|
|||
if (ivsize < sizeof(u64))
|
||||
goto err_drop_alg;
|
||||
|
||||
/*
|
||||
* This is only true if we're constructing an algorithm with its
|
||||
* default IV generator. For the default generator we elide the
|
||||
* template name and double-check the IV generator.
|
||||
*/
|
||||
if (algt->mask & CRYPTO_ALG_GENIV) {
|
||||
if (!alg->base.cra_aead.encrypt)
|
||||
goto err_drop_alg;
|
||||
if (strcmp(tmpl->name, alg->base.cra_aead.geniv))
|
||||
goto err_drop_alg;
|
||||
|
||||
memcpy(inst->alg.base.cra_name, alg->base.cra_name,
|
||||
CRYPTO_MAX_ALG_NAME);
|
||||
memcpy(inst->alg.base.cra_driver_name,
|
||||
alg->base.cra_driver_name, CRYPTO_MAX_ALG_NAME);
|
||||
|
||||
inst->alg.base.cra_flags = CRYPTO_ALG_TYPE_AEAD |
|
||||
CRYPTO_ALG_GENIV;
|
||||
inst->alg.base.cra_flags |= alg->base.cra_flags &
|
||||
CRYPTO_ALG_ASYNC;
|
||||
inst->alg.base.cra_priority = alg->base.cra_priority;
|
||||
inst->alg.base.cra_blocksize = alg->base.cra_blocksize;
|
||||
inst->alg.base.cra_alignmask = alg->base.cra_alignmask;
|
||||
inst->alg.base.cra_type = &crypto_aead_type;
|
||||
|
||||
inst->alg.base.cra_aead.ivsize = ivsize;
|
||||
inst->alg.base.cra_aead.maxauthsize = maxauthsize;
|
||||
|
||||
inst->alg.base.cra_aead.setkey = alg->base.cra_aead.setkey;
|
||||
inst->alg.base.cra_aead.setauthsize =
|
||||
alg->base.cra_aead.setauthsize;
|
||||
inst->alg.base.cra_aead.encrypt = alg->base.cra_aead.encrypt;
|
||||
inst->alg.base.cra_aead.decrypt = alg->base.cra_aead.decrypt;
|
||||
|
||||
goto out;
|
||||
}
|
||||
|
||||
err = -ENAMETOOLONG;
|
||||
if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME,
|
||||
"%s(%s)", tmpl->name, alg->base.cra_name) >=
|
||||
|
|
@ -698,12 +258,6 @@ struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
|
|||
inst->alg.ivsize = ivsize;
|
||||
inst->alg.maxauthsize = maxauthsize;
|
||||
|
||||
inst->alg.encrypt = compat_encrypt_first;
|
||||
inst->alg.decrypt = compat_decrypt;
|
||||
|
||||
inst->alg.base.cra_init = aead_geniv_init_compat;
|
||||
inst->alg.base.cra_exit = aead_geniv_exit_compat;
|
||||
|
||||
out:
|
||||
return inst;
|
||||
|
||||
|
|
@ -723,31 +277,6 @@ void aead_geniv_free(struct aead_instance *inst)
|
|||
}
|
||||
EXPORT_SYMBOL_GPL(aead_geniv_free);
|
||||
|
||||
int aead_geniv_init(struct crypto_tfm *tfm)
|
||||
{
|
||||
struct crypto_instance *inst = (void *)tfm->__crt_alg;
|
||||
struct crypto_aead *child;
|
||||
struct crypto_aead *aead;
|
||||
|
||||
aead = __crypto_aead_cast(tfm);
|
||||
|
||||
child = crypto_spawn_aead(crypto_instance_ctx(inst));
|
||||
if (IS_ERR(child))
|
||||
return PTR_ERR(child);
|
||||
|
||||
aead->child = child;
|
||||
aead->reqsize += crypto_aead_reqsize(child);
|
||||
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(aead_geniv_init);
|
||||
|
||||
void aead_geniv_exit(struct crypto_tfm *tfm)
|
||||
{
|
||||
crypto_free_aead(__crypto_aead_cast(tfm)->child);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(aead_geniv_exit);
|
||||
|
||||
int aead_init_geniv(struct crypto_aead *aead)
|
||||
{
|
||||
struct aead_geniv_ctx *ctx = crypto_aead_ctx(aead);
|
||||
|
|
@ -801,123 +330,6 @@ void aead_exit_geniv(struct crypto_aead *tfm)
|
|||
}
|
||||
EXPORT_SYMBOL_GPL(aead_exit_geniv);
|
||||
|
||||
static int crypto_nivaead_default(struct crypto_alg *alg, u32 type, u32 mask)
|
||||
{
|
||||
struct rtattr *tb[3];
|
||||
struct {
|
||||
struct rtattr attr;
|
||||
struct crypto_attr_type data;
|
||||
} ptype;
|
||||
struct {
|
||||
struct rtattr attr;
|
||||
struct crypto_attr_alg data;
|
||||
} palg;
|
||||
struct crypto_template *tmpl;
|
||||
struct crypto_instance *inst;
|
||||
struct crypto_alg *larval;
|
||||
const char *geniv;
|
||||
int err;
|
||||
|
||||
larval = crypto_larval_lookup(alg->cra_driver_name,
|
||||
CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_GENIV,
|
||||
CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_GENIV);
|
||||
err = PTR_ERR(larval);
|
||||
if (IS_ERR(larval))
|
||||
goto out;
|
||||
|
||||
err = -EAGAIN;
|
||||
if (!crypto_is_larval(larval))
|
||||
goto drop_larval;
|
||||
|
||||
ptype.attr.rta_len = sizeof(ptype);
|
||||
ptype.attr.rta_type = CRYPTOA_TYPE;
|
||||
ptype.data.type = type | CRYPTO_ALG_GENIV;
|
||||
/* GENIV tells the template that we're making a default geniv. */
|
||||
ptype.data.mask = mask | CRYPTO_ALG_GENIV;
|
||||
tb[0] = &ptype.attr;
|
||||
|
||||
palg.attr.rta_len = sizeof(palg);
|
||||
palg.attr.rta_type = CRYPTOA_ALG;
|
||||
/* Must use the exact name to locate ourselves. */
|
||||
memcpy(palg.data.name, alg->cra_driver_name, CRYPTO_MAX_ALG_NAME);
|
||||
tb[1] = &palg.attr;
|
||||
|
||||
tb[2] = NULL;
|
||||
|
||||
geniv = alg->cra_aead.geniv;
|
||||
|
||||
tmpl = crypto_lookup_template(geniv);
|
||||
err = -ENOENT;
|
||||
if (!tmpl)
|
||||
goto kill_larval;
|
||||
|
||||
if (tmpl->create) {
|
||||
err = tmpl->create(tmpl, tb);
|
||||
if (err)
|
||||
goto put_tmpl;
|
||||
goto ok;
|
||||
}
|
||||
|
||||
inst = tmpl->alloc(tb);
|
||||
err = PTR_ERR(inst);
|
||||
if (IS_ERR(inst))
|
||||
goto put_tmpl;
|
||||
|
||||
err = crypto_register_instance(tmpl, inst);
|
||||
if (err) {
|
||||
tmpl->free(inst);
|
||||
goto put_tmpl;
|
||||
}
|
||||
|
||||
ok:
|
||||
/* Redo the lookup to use the instance we just registered. */
|
||||
err = -EAGAIN;
|
||||
|
||||
put_tmpl:
|
||||
crypto_tmpl_put(tmpl);
|
||||
kill_larval:
|
||||
crypto_larval_kill(larval);
|
||||
drop_larval:
|
||||
crypto_mod_put(larval);
|
||||
out:
|
||||
crypto_mod_put(alg);
|
||||
return err;
|
||||
}
|
||||
|
||||
struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask)
|
||||
{
|
||||
struct crypto_alg *alg;
|
||||
|
||||
alg = crypto_alg_mod_lookup(name, type, mask);
|
||||
if (IS_ERR(alg))
|
||||
return alg;
|
||||
|
||||
if (alg->cra_type == &crypto_aead_type)
|
||||
return alg;
|
||||
|
||||
if (!alg->cra_aead.ivsize)
|
||||
return alg;
|
||||
|
||||
crypto_mod_put(alg);
|
||||
alg = crypto_alg_mod_lookup(name, type | CRYPTO_ALG_TESTED,
|
||||
mask & ~CRYPTO_ALG_TESTED);
|
||||
if (IS_ERR(alg))
|
||||
return alg;
|
||||
|
||||
if (alg->cra_type == &crypto_aead_type) {
|
||||
if (~alg->cra_flags & (type ^ ~mask) & CRYPTO_ALG_TESTED) {
|
||||
crypto_mod_put(alg);
|
||||
alg = ERR_PTR(-ENOENT);
|
||||
}
|
||||
return alg;
|
||||
}
|
||||
|
||||
BUG_ON(!alg->cra_aead.ivsize);
|
||||
|
||||
return ERR_PTR(crypto_nivaead_default(alg, type, mask));
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(crypto_lookup_aead);
|
||||
|
||||
int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name,
|
||||
u32 type, u32 mask)
|
||||
{
|
||||
|
|
@ -939,7 +351,7 @@ static int aead_prepare_alg(struct aead_alg *alg)
|
|||
if (max(alg->maxauthsize, alg->ivsize) > PAGE_SIZE / 8)
|
||||
return -EINVAL;
|
||||
|
||||
base->cra_type = &crypto_new_aead_type;
|
||||
base->cra_type = &crypto_aead_type;
|
||||
base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK;
|
||||
base->cra_flags |= CRYPTO_ALG_TYPE_AEAD;
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
/*
|
||||
* AEAD: Authenticated Encryption with Associated Data
|
||||
*
|
||||
* Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
|
||||
* Copyright (c) 2007-2015 Herbert Xu <herbert@gondor.apana.org.au>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the Free
|
||||
|
|
@ -71,14 +71,14 @@
|
|||
* in the first scatter gather list entry pointing to a NULL buffer.
|
||||
*/
|
||||
|
||||
struct crypto_aead;
|
||||
|
||||
/**
|
||||
* struct aead_request - AEAD request
|
||||
* @base: Common attributes for async crypto requests
|
||||
* @old: Boolean whether the old or new AEAD API is used
|
||||
* @assoclen: Length in bytes of associated data for authentication
|
||||
* @cryptlen: Length of data to be encrypted or decrypted
|
||||
* @iv: Initialisation vector
|
||||
* @assoc: Associated data
|
||||
* @src: Source data
|
||||
* @dst: Destination data
|
||||
* @__ctx: Start of private context data
|
||||
|
|
@ -86,33 +86,17 @@
|
|||
struct aead_request {
|
||||
struct crypto_async_request base;
|
||||
|
||||
bool old;
|
||||
|
||||
unsigned int assoclen;
|
||||
unsigned int cryptlen;
|
||||
|
||||
u8 *iv;
|
||||
|
||||
struct scatterlist *assoc;
|
||||
struct scatterlist *src;
|
||||
struct scatterlist *dst;
|
||||
|
||||
void *__ctx[] CRYPTO_MINALIGN_ATTR;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct aead_givcrypt_request - AEAD request with IV generation
|
||||
* @seq: Sequence number for IV generation
|
||||
* @giv: Space for generated IV
|
||||
* @areq: The AEAD request itself
|
||||
*/
|
||||
struct aead_givcrypt_request {
|
||||
u64 seq;
|
||||
u8 *giv;
|
||||
|
||||
struct aead_request areq;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct aead_alg - AEAD cipher definition
|
||||
* @maxauthsize: Set the maximum authentication tag size supported by the
|
||||
|
|
@ -165,16 +149,6 @@ struct aead_alg {
|
|||
};
|
||||
|
||||
struct crypto_aead {
|
||||
int (*setkey)(struct crypto_aead *tfm, const u8 *key,
|
||||
unsigned int keylen);
|
||||
int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize);
|
||||
int (*encrypt)(struct aead_request *req);
|
||||
int (*decrypt)(struct aead_request *req);
|
||||
int (*givencrypt)(struct aead_givcrypt_request *req);
|
||||
int (*givdecrypt)(struct aead_givcrypt_request *req);
|
||||
|
||||
struct crypto_aead *child;
|
||||
|
||||
unsigned int authsize;
|
||||
unsigned int reqsize;
|
||||
|
||||
|
|
@ -216,16 +190,6 @@ static inline void crypto_free_aead(struct crypto_aead *tfm)
|
|||
crypto_destroy_tfm(tfm, crypto_aead_tfm(tfm));
|
||||
}
|
||||
|
||||
static inline struct crypto_aead *crypto_aead_crt(struct crypto_aead *tfm)
|
||||
{
|
||||
return tfm;
|
||||
}
|
||||
|
||||
static inline struct old_aead_alg *crypto_old_aead_alg(struct crypto_aead *tfm)
|
||||
{
|
||||
return &crypto_aead_tfm(tfm)->__crt_alg->cra_aead;
|
||||
}
|
||||
|
||||
static inline struct aead_alg *crypto_aead_alg(struct crypto_aead *tfm)
|
||||
{
|
||||
return container_of(crypto_aead_tfm(tfm)->__crt_alg,
|
||||
|
|
@ -234,8 +198,7 @@ static inline struct aead_alg *crypto_aead_alg(struct crypto_aead *tfm)
|
|||
|
||||
static inline unsigned int crypto_aead_alg_ivsize(struct aead_alg *alg)
|
||||
{
|
||||
return alg->base.cra_aead.encrypt ? alg->base.cra_aead.ivsize :
|
||||
alg->ivsize;
|
||||
return alg->ivsize;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -361,7 +324,7 @@ static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req)
|
|||
*/
|
||||
static inline int crypto_aead_encrypt(struct aead_request *req)
|
||||
{
|
||||
return crypto_aead_reqtfm(req)->encrypt(req);
|
||||
return crypto_aead_alg(crypto_aead_reqtfm(req))->encrypt(req);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -388,10 +351,12 @@ static inline int crypto_aead_encrypt(struct aead_request *req)
|
|||
*/
|
||||
static inline int crypto_aead_decrypt(struct aead_request *req)
|
||||
{
|
||||
if (req->cryptlen < crypto_aead_authsize(crypto_aead_reqtfm(req)))
|
||||
struct crypto_aead *aead = crypto_aead_reqtfm(req);
|
||||
|
||||
if (req->cryptlen < crypto_aead_authsize(aead))
|
||||
return -EINVAL;
|
||||
|
||||
return crypto_aead_reqtfm(req)->decrypt(req);
|
||||
return crypto_aead_alg(aead)->decrypt(req);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -411,7 +376,10 @@ static inline int crypto_aead_decrypt(struct aead_request *req)
|
|||
*
|
||||
* Return: number of bytes
|
||||
*/
|
||||
unsigned int crypto_aead_reqsize(struct crypto_aead *tfm);
|
||||
static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm)
|
||||
{
|
||||
return tfm->reqsize;
|
||||
}
|
||||
|
||||
/**
|
||||
* aead_request_set_tfm() - update cipher handle reference in request
|
||||
|
|
@ -424,7 +392,7 @@ unsigned int crypto_aead_reqsize(struct crypto_aead *tfm);
|
|||
static inline void aead_request_set_tfm(struct aead_request *req,
|
||||
struct crypto_aead *tfm)
|
||||
{
|
||||
req->base.tfm = crypto_aead_tfm(tfm->child);
|
||||
req->base.tfm = crypto_aead_tfm(tfm);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -549,23 +517,6 @@ static inline void aead_request_set_crypt(struct aead_request *req,
|
|||
req->iv = iv;
|
||||
}
|
||||
|
||||
/**
|
||||
* aead_request_set_assoc() - set the associated data scatter / gather list
|
||||
* @req: request handle
|
||||
* @assoc: associated data scatter / gather list
|
||||
* @assoclen: number of bytes to process from @assoc
|
||||
*
|
||||
* Obsolete, do not use.
|
||||
*/
|
||||
static inline void aead_request_set_assoc(struct aead_request *req,
|
||||
struct scatterlist *assoc,
|
||||
unsigned int assoclen)
|
||||
{
|
||||
req->assoc = assoc;
|
||||
req->assoclen = assoclen;
|
||||
req->old = true;
|
||||
}
|
||||
|
||||
/**
|
||||
* aead_request_set_ad - set associated data information
|
||||
* @req: request handle
|
||||
|
|
@ -578,77 +529,6 @@ static inline void aead_request_set_ad(struct aead_request *req,
|
|||
unsigned int assoclen)
|
||||
{
|
||||
req->assoclen = assoclen;
|
||||
req->old = false;
|
||||
}
|
||||
|
||||
static inline struct crypto_aead *aead_givcrypt_reqtfm(
|
||||
struct aead_givcrypt_request *req)
|
||||
{
|
||||
return crypto_aead_reqtfm(&req->areq);
|
||||
}
|
||||
|
||||
static inline int crypto_aead_givencrypt(struct aead_givcrypt_request *req)
|
||||
{
|
||||
return aead_givcrypt_reqtfm(req)->givencrypt(req);
|
||||
};
|
||||
|
||||
static inline int crypto_aead_givdecrypt(struct aead_givcrypt_request *req)
|
||||
{
|
||||
return aead_givcrypt_reqtfm(req)->givdecrypt(req);
|
||||
};
|
||||
|
||||
static inline void aead_givcrypt_set_tfm(struct aead_givcrypt_request *req,
|
||||
struct crypto_aead *tfm)
|
||||
{
|
||||
req->areq.base.tfm = crypto_aead_tfm(tfm);
|
||||
}
|
||||
|
||||
static inline struct aead_givcrypt_request *aead_givcrypt_alloc(
|
||||
struct crypto_aead *tfm, gfp_t gfp)
|
||||
{
|
||||
struct aead_givcrypt_request *req;
|
||||
|
||||
req = kmalloc(sizeof(struct aead_givcrypt_request) +
|
||||
crypto_aead_reqsize(tfm), gfp);
|
||||
|
||||
if (likely(req))
|
||||
aead_givcrypt_set_tfm(req, tfm);
|
||||
|
||||
return req;
|
||||
}
|
||||
|
||||
static inline void aead_givcrypt_free(struct aead_givcrypt_request *req)
|
||||
{
|
||||
kfree(req);
|
||||
}
|
||||
|
||||
static inline void aead_givcrypt_set_callback(
|
||||
struct aead_givcrypt_request *req, u32 flags,
|
||||
crypto_completion_t compl, void *data)
|
||||
{
|
||||
aead_request_set_callback(&req->areq, flags, compl, data);
|
||||
}
|
||||
|
||||
static inline void aead_givcrypt_set_crypt(struct aead_givcrypt_request *req,
|
||||
struct scatterlist *src,
|
||||
struct scatterlist *dst,
|
||||
unsigned int nbytes, void *iv)
|
||||
{
|
||||
aead_request_set_crypt(&req->areq, src, dst, nbytes, iv);
|
||||
}
|
||||
|
||||
static inline void aead_givcrypt_set_assoc(struct aead_givcrypt_request *req,
|
||||
struct scatterlist *assoc,
|
||||
unsigned int assoclen)
|
||||
{
|
||||
aead_request_set_assoc(&req->areq, assoc, assoclen);
|
||||
}
|
||||
|
||||
static inline void aead_givcrypt_set_giv(struct aead_givcrypt_request *req,
|
||||
u8 *giv, u64 seq)
|
||||
{
|
||||
req->giv = giv;
|
||||
req->seq = seq;
|
||||
}
|
||||
|
||||
#endif /* _CRYPTO_AEAD_H */
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
/*
|
||||
* AEAD: Authenticated Encryption with Associated Data
|
||||
*
|
||||
* Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
|
||||
* Copyright (c) 2007-2015 Herbert Xu <herbert@gondor.apana.org.au>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the Free
|
||||
|
|
@ -39,20 +39,11 @@ struct aead_queue {
|
|||
struct crypto_queue base;
|
||||
};
|
||||
|
||||
extern const struct crypto_type crypto_aead_type;
|
||||
extern const struct crypto_type crypto_nivaead_type;
|
||||
|
||||
static inline void *crypto_aead_ctx(struct crypto_aead *tfm)
|
||||
{
|
||||
return crypto_tfm_ctx(&tfm->base);
|
||||
}
|
||||
|
||||
static inline struct crypto_instance *crypto_aead_alg_instance(
|
||||
struct crypto_aead *aead)
|
||||
{
|
||||
return crypto_tfm_alg_instance(&aead->base);
|
||||
}
|
||||
|
||||
static inline struct crypto_instance *aead_crypto_instance(
|
||||
struct aead_instance *inst)
|
||||
{
|
||||
|
|
@ -66,7 +57,7 @@ static inline struct aead_instance *aead_instance(struct crypto_instance *inst)
|
|||
|
||||
static inline struct aead_instance *aead_alg_instance(struct crypto_aead *aead)
|
||||
{
|
||||
return aead_instance(crypto_aead_alg_instance(aead));
|
||||
return aead_instance(crypto_tfm_alg_instance(&aead->base));
|
||||
}
|
||||
|
||||
static inline void *aead_instance_ctx(struct aead_instance *inst)
|
||||
|
|
@ -95,8 +86,6 @@ static inline void crypto_set_aead_spawn(
|
|||
crypto_set_spawn(&spawn->base, inst);
|
||||
}
|
||||
|
||||
struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask);
|
||||
|
||||
int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name,
|
||||
u32 type, u32 mask);
|
||||
|
||||
|
|
@ -105,12 +94,6 @@ static inline void crypto_drop_aead(struct crypto_aead_spawn *spawn)
|
|||
crypto_drop_spawn(&spawn->base);
|
||||
}
|
||||
|
||||
static inline struct crypto_alg *crypto_aead_spawn_alg(
|
||||
struct crypto_aead_spawn *spawn)
|
||||
{
|
||||
return spawn->base.alg;
|
||||
}
|
||||
|
||||
static inline struct aead_alg *crypto_spawn_aead_alg(
|
||||
struct crypto_aead_spawn *spawn)
|
||||
{
|
||||
|
|
@ -123,32 +106,15 @@ static inline struct crypto_aead *crypto_spawn_aead(
|
|||
return crypto_spawn_tfm2(&spawn->base);
|
||||
}
|
||||
|
||||
static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv)
|
||||
{
|
||||
return geniv->child;
|
||||
}
|
||||
|
||||
static inline void *aead_givcrypt_reqctx(struct aead_givcrypt_request *req)
|
||||
{
|
||||
return aead_request_ctx(&req->areq);
|
||||
}
|
||||
|
||||
static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req,
|
||||
int err)
|
||||
{
|
||||
aead_request_complete(&req->areq, err);
|
||||
}
|
||||
|
||||
static inline void crypto_aead_set_reqsize(struct crypto_aead *aead,
|
||||
unsigned int reqsize)
|
||||
{
|
||||
crypto_aead_crt(aead)->reqsize = reqsize;
|
||||
aead->reqsize = reqsize;
|
||||
}
|
||||
|
||||
static inline unsigned int crypto_aead_alg_maxauthsize(struct aead_alg *alg)
|
||||
{
|
||||
return alg->base.cra_aead.encrypt ? alg->base.cra_aead.maxauthsize :
|
||||
alg->maxauthsize;
|
||||
return alg->maxauthsize;
|
||||
}
|
||||
|
||||
static inline unsigned int crypto_aead_maxauthsize(struct crypto_aead *aead)
|
||||
|
|
|
|||
|
|
@ -27,8 +27,6 @@ struct aead_geniv_ctx {
|
|||
struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
|
||||
struct rtattr **tb, u32 type, u32 mask);
|
||||
void aead_geniv_free(struct aead_instance *inst);
|
||||
int aead_geniv_init(struct crypto_tfm *tfm);
|
||||
void aead_geniv_exit(struct crypto_tfm *tfm);
|
||||
int aead_init_geniv(struct crypto_aead *tfm);
|
||||
void aead_exit_geniv(struct crypto_aead *tfm);
|
||||
|
||||
|
|
|
|||
|
|
@ -142,13 +142,10 @@
|
|||
struct scatterlist;
|
||||
struct crypto_ablkcipher;
|
||||
struct crypto_async_request;
|
||||
struct crypto_aead;
|
||||
struct crypto_blkcipher;
|
||||
struct crypto_hash;
|
||||
struct crypto_tfm;
|
||||
struct crypto_type;
|
||||
struct aead_request;
|
||||
struct aead_givcrypt_request;
|
||||
struct skcipher_givcrypt_request;
|
||||
|
||||
typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err);
|
||||
|
|
@ -274,47 +271,6 @@ struct ablkcipher_alg {
|
|||
unsigned int ivsize;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct old_aead_alg - AEAD cipher definition
|
||||
* @maxauthsize: Set the maximum authentication tag size supported by the
|
||||
* transformation. A transformation may support smaller tag sizes.
|
||||
* As the authentication tag is a message digest to ensure the
|
||||
* integrity of the encrypted data, a consumer typically wants the
|
||||
* largest authentication tag possible as defined by this
|
||||
* variable.
|
||||
* @setauthsize: Set authentication size for the AEAD transformation. This
|
||||
* function is used to specify the consumer requested size of the
|
||||
* authentication tag to be either generated by the transformation
|
||||
* during encryption or the size of the authentication tag to be
|
||||
* supplied during the decryption operation. This function is also
|
||||
* responsible for checking the authentication tag size for
|
||||
* validity.
|
||||
* @setkey: see struct ablkcipher_alg
|
||||
* @encrypt: see struct ablkcipher_alg
|
||||
* @decrypt: see struct ablkcipher_alg
|
||||
* @givencrypt: see struct ablkcipher_alg
|
||||
* @givdecrypt: see struct ablkcipher_alg
|
||||
* @geniv: see struct ablkcipher_alg
|
||||
* @ivsize: see struct ablkcipher_alg
|
||||
*
|
||||
* All fields except @givencrypt , @givdecrypt , @geniv and @ivsize are
|
||||
* mandatory and must be filled.
|
||||
*/
|
||||
struct old_aead_alg {
|
||||
int (*setkey)(struct crypto_aead *tfm, const u8 *key,
|
||||
unsigned int keylen);
|
||||
int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize);
|
||||
int (*encrypt)(struct aead_request *req);
|
||||
int (*decrypt)(struct aead_request *req);
|
||||
int (*givencrypt)(struct aead_givcrypt_request *req);
|
||||
int (*givdecrypt)(struct aead_givcrypt_request *req);
|
||||
|
||||
const char *geniv;
|
||||
|
||||
unsigned int ivsize;
|
||||
unsigned int maxauthsize;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct blkcipher_alg - synchronous block cipher definition
|
||||
* @min_keysize: see struct ablkcipher_alg
|
||||
|
|
@ -409,7 +365,6 @@ struct compress_alg {
|
|||
|
||||
|
||||
#define cra_ablkcipher cra_u.ablkcipher
|
||||
#define cra_aead cra_u.aead
|
||||
#define cra_blkcipher cra_u.blkcipher
|
||||
#define cra_cipher cra_u.cipher
|
||||
#define cra_compress cra_u.compress
|
||||
|
|
@ -460,7 +415,7 @@ struct compress_alg {
|
|||
* struct crypto_type, which implements callbacks common for all
|
||||
* transformation types. There are multiple options:
|
||||
* &crypto_blkcipher_type, &crypto_ablkcipher_type,
|
||||
* &crypto_ahash_type, &crypto_aead_type, &crypto_rng_type.
|
||||
* &crypto_ahash_type, &crypto_rng_type.
|
||||
* This field might be empty. In that case, there are no common
|
||||
* callbacks. This is the case for: cipher, compress, shash.
|
||||
* @cra_u: Callbacks implementing the transformation. This is a union of
|
||||
|
|
@ -508,7 +463,6 @@ struct crypto_alg {
|
|||
|
||||
union {
|
||||
struct ablkcipher_alg ablkcipher;
|
||||
struct old_aead_alg aead;
|
||||
struct blkcipher_alg blkcipher;
|
||||
struct cipher_alg cipher;
|
||||
struct compress_alg compress;
|
||||
|
|
|
|||
Loading…
Reference in New Issue