#include <crypto/algapi.h>
#include <crypto/aes.h>
#include <crypto/sha.h>
+#include <crypto/ctr.h>
#include "crypto4xx_reg_def.h"
-#include "crypto4xx_sa.h"
#include "crypto4xx_core.h"
+#include "crypto4xx_sa.h"
static void set_dynamic_sa_command_0(struct dynamic_sa_ctl *sa, u32 save_h,
u32 save_iv, u32 ld_h, u32 ld_iv,
sa->sa_command_1.bf.crypto_mode9_8 = cm & 3;
sa->sa_command_1.bf.feedback_mode = cfb,
sa->sa_command_1.bf.sa_rev = 1;
+ sa->sa_command_1.bf.hmac_muting = hmac_mc;
sa->sa_command_1.bf.extended_seq_num = esn;
sa->sa_command_1.bf.seq_num_mask = sn_mask;
sa->sa_command_1.bf.mutable_bit_proc = mute;
int crypto4xx_encrypt(struct ablkcipher_request *req)
{
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ unsigned int ivlen = crypto_ablkcipher_ivsize(
+ crypto_ablkcipher_reqtfm(req));
+ __le32 iv[ivlen];
- ctx->direction = DIR_OUTBOUND;
- ctx->hash_final = 0;
- ctx->is_hash = 0;
- ctx->pd_ctl = 0x1;
+ if (ivlen)
+ crypto4xx_memcpy_to_le32(iv, req->info, ivlen);
return crypto4xx_build_pd(&req->base, ctx, req->src, req->dst,
- req->nbytes, req->info,
- get_dynamic_sa_iv_size(ctx));
+ req->nbytes, iv, ivlen, ctx->sa_out, ctx->sa_len);
}
int crypto4xx_decrypt(struct ablkcipher_request *req)
{
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ unsigned int ivlen = crypto_ablkcipher_ivsize(
+ crypto_ablkcipher_reqtfm(req));
+ __le32 iv[ivlen];
- ctx->direction = DIR_INBOUND;
- ctx->hash_final = 0;
- ctx->is_hash = 0;
- ctx->pd_ctl = 1;
+ if (ivlen)
+ crypto4xx_memcpy_to_le32(iv, req->info, ivlen);
return crypto4xx_build_pd(&req->base, ctx, req->src, req->dst,
- req->nbytes, req->info,
- get_dynamic_sa_iv_size(ctx));
+ req->nbytes, iv, ivlen, ctx->sa_in, ctx->sa_len);
}
/**
}
/* Create SA */
- if (ctx->sa_in_dma_addr || ctx->sa_out_dma_addr)
+ if (ctx->sa_in || ctx->sa_out)
crypto4xx_free_sa(ctx);
rc = crypto4xx_alloc_sa(ctx, SA_AES128_LEN + (keylen-16) / 4);
if (rc)
return rc;
- if (ctx->state_record_dma_addr == 0) {
- rc = crypto4xx_alloc_state_record(ctx);
- if (rc) {
- crypto4xx_free_sa(ctx);
- return rc;
- }
- }
/* Setup SA */
- sa = (struct dynamic_sa_ctl *) ctx->sa_in;
- ctx->hash_final = 0;
+ sa = ctx->sa_in;
set_dynamic_sa_command_0(sa, SA_NOT_SAVE_HASH, SA_NOT_SAVE_IV,
SA_LOAD_HASH_FROM_SA, SA_LOAD_IV_FROM_STATE,
SA_SEQ_MASK_OFF, SA_MC_ENABLE,
SA_NOT_COPY_PAD, SA_NOT_COPY_PAYLOAD,
SA_NOT_COPY_HDR);
- crypto4xx_memcpy_le(ctx->sa_in + get_dynamic_sa_offset_key_field(ctx),
- key, keylen);
- sa->sa_contents = SA_AES_CONTENTS | (keylen << 2);
+ crypto4xx_memcpy_to_le32(get_dynamic_sa_key_field(sa),
+ key, keylen);
+ sa->sa_contents.w = SA_AES_CONTENTS | (keylen << 2);
sa->sa_command_1.bf.key_len = keylen >> 3;
- ctx->is_hash = 0;
- ctx->direction = DIR_INBOUND;
- memcpy(ctx->sa_in + get_dynamic_sa_offset_state_ptr_field(ctx),
- (void *)&ctx->state_record_dma_addr, 4);
- ctx->offset_to_sr_ptr = get_dynamic_sa_offset_state_ptr_field(ctx);
memcpy(ctx->sa_out, ctx->sa_in, ctx->sa_len * 4);
- sa = (struct dynamic_sa_ctl *) ctx->sa_out;
+ sa = ctx->sa_out;
sa->sa_command_0.bf.dir = DIR_OUTBOUND;
return 0;
CRYPTO_FEEDBACK_MODE_NO_FB);
}
+int crypto4xx_setkey_aes_cfb(struct crypto_ablkcipher *cipher,
+ const u8 *key, unsigned int keylen)
+{
+ return crypto4xx_setkey_aes(cipher, key, keylen, CRYPTO_MODE_CFB,
+ CRYPTO_FEEDBACK_MODE_128BIT_CFB);
+}
+
+int crypto4xx_setkey_aes_ecb(struct crypto_ablkcipher *cipher,
+ const u8 *key, unsigned int keylen)
+{
+ return crypto4xx_setkey_aes(cipher, key, keylen, CRYPTO_MODE_ECB,
+ CRYPTO_FEEDBACK_MODE_NO_FB);
+}
+
+int crypto4xx_setkey_aes_ofb(struct crypto_ablkcipher *cipher,
+ const u8 *key, unsigned int keylen)
+{
+ return crypto4xx_setkey_aes(cipher, key, keylen, CRYPTO_MODE_OFB,
+ CRYPTO_FEEDBACK_MODE_64BIT_OFB);
+}
+
+int crypto4xx_setkey_rfc3686(struct crypto_ablkcipher *cipher,
+ const u8 *key, unsigned int keylen)
+{
+ struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
+ struct crypto4xx_ctx *ctx = crypto_tfm_ctx(tfm);
+ int rc;
+
+ rc = crypto4xx_setkey_aes(cipher, key, keylen - CTR_RFC3686_NONCE_SIZE,
+ CRYPTO_MODE_CTR, CRYPTO_FEEDBACK_MODE_NO_FB);
+ if (rc)
+ return rc;
+
+ ctx->iv_nonce = cpu_to_le32p((u32 *)&key[keylen -
+ CTR_RFC3686_NONCE_SIZE]);
+
+ return 0;
+}
+
+int crypto4xx_rfc3686_encrypt(struct ablkcipher_request *req)
+{
+ struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ __le32 iv[AES_IV_SIZE / 4] = {
+ ctx->iv_nonce,
+ cpu_to_le32p((u32 *) req->info),
+ cpu_to_le32p((u32 *) (req->info + 4)),
+ cpu_to_le32(1) };
+
+ return crypto4xx_build_pd(&req->base, ctx, req->src, req->dst,
+ req->nbytes, iv, AES_IV_SIZE,
+ ctx->sa_out, ctx->sa_len);
+}
+
+int crypto4xx_rfc3686_decrypt(struct ablkcipher_request *req)
+{
+ struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ __le32 iv[AES_IV_SIZE / 4] = {
+ ctx->iv_nonce,
+ cpu_to_le32p((u32 *) req->info),
+ cpu_to_le32p((u32 *) (req->info + 4)),
+ cpu_to_le32(1) };
+
+ return crypto4xx_build_pd(&req->base, ctx, req->src, req->dst,
+ req->nbytes, iv, AES_IV_SIZE,
+ ctx->sa_out, ctx->sa_len);
+}
+
/**
* HASH SHA1 Functions
*/
struct crypto_alg *alg = tfm->__crt_alg;
struct crypto4xx_alg *my_alg = crypto_alg_to_crypto4xx_alg(alg);
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(tfm);
- struct dynamic_sa_ctl *sa;
- struct dynamic_sa_hash160 *sa_in;
+ struct dynamic_sa_hash160 *sa;
int rc;
ctx->dev = my_alg->dev;
- ctx->is_hash = 1;
- ctx->hash_final = 0;
/* Create SA */
- if (ctx->sa_in_dma_addr || ctx->sa_out_dma_addr)
+ if (ctx->sa_in || ctx->sa_out)
crypto4xx_free_sa(ctx);
rc = crypto4xx_alloc_sa(ctx, sa_len);
if (rc)
return rc;
- if (ctx->state_record_dma_addr == 0) {
- crypto4xx_alloc_state_record(ctx);
- if (!ctx->state_record_dma_addr) {
- crypto4xx_free_sa(ctx);
- return -ENOMEM;
- }
- }
-
crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
sizeof(struct crypto4xx_ctx));
- sa = (struct dynamic_sa_ctl *) ctx->sa_in;
- set_dynamic_sa_command_0(sa, SA_SAVE_HASH, SA_NOT_SAVE_IV,
+ sa = (struct dynamic_sa_hash160 *)ctx->sa_in;
+ set_dynamic_sa_command_0(&sa->ctrl, SA_SAVE_HASH, SA_NOT_SAVE_IV,
SA_NOT_LOAD_HASH, SA_LOAD_IV_FROM_SA,
SA_NO_HEADER_PROC, ha, SA_CIPHER_ALG_NULL,
SA_PAD_TYPE_ZERO, SA_OP_GROUP_BASIC,
SA_OPCODE_HASH, DIR_INBOUND);
- set_dynamic_sa_command_1(sa, 0, SA_HASH_MODE_HASH,
+ set_dynamic_sa_command_1(&sa->ctrl, 0, SA_HASH_MODE_HASH,
CRYPTO_FEEDBACK_MODE_NO_FB, SA_EXTENDED_SN_OFF,
SA_SEQ_MASK_OFF, SA_MC_ENABLE,
SA_NOT_COPY_PAD, SA_NOT_COPY_PAYLOAD,
SA_NOT_COPY_HDR);
- ctx->direction = DIR_INBOUND;
- sa->sa_contents = SA_HASH160_CONTENTS;
- sa_in = (struct dynamic_sa_hash160 *) ctx->sa_in;
/* Need to zero hash digest in SA */
- memset(sa_in->inner_digest, 0, sizeof(sa_in->inner_digest));
- memset(sa_in->outer_digest, 0, sizeof(sa_in->outer_digest));
- sa_in->state_ptr = ctx->state_record_dma_addr;
- ctx->offset_to_sr_ptr = get_dynamic_sa_offset_state_ptr_field(ctx);
+ memset(sa->inner_digest, 0, sizeof(sa->inner_digest));
+ memset(sa->outer_digest, 0, sizeof(sa->outer_digest));
return 0;
}
int ds;
struct dynamic_sa_ctl *sa;
- sa = (struct dynamic_sa_ctl *) ctx->sa_in;
+ sa = ctx->sa_in;
ds = crypto_ahash_digestsize(
__crypto_ahash_cast(req->base.tfm));
sa->sa_command_0.bf.digest_len = ds >> 2;
sa->sa_command_0.bf.load_hash_state = SA_LOAD_HASH_FROM_SA;
- ctx->is_hash = 1;
- ctx->direction = DIR_INBOUND;
return 0;
}
int crypto4xx_hash_update(struct ahash_request *req)
{
+ struct crypto_ahash *ahash = crypto_ahash_reqtfm(req);
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct scatterlist dst;
+ unsigned int ds = crypto_ahash_digestsize(ahash);
- ctx->is_hash = 1;
- ctx->hash_final = 0;
- ctx->pd_ctl = 0x11;
- ctx->direction = DIR_INBOUND;
+ sg_init_one(&dst, req->result, ds);
- return crypto4xx_build_pd(&req->base, ctx, req->src,
- (struct scatterlist *) req->result,
- req->nbytes, NULL, 0);
+ return crypto4xx_build_pd(&req->base, ctx, req->src, &dst,
+ req->nbytes, NULL, 0, ctx->sa_in,
+ ctx->sa_len);
}
int crypto4xx_hash_final(struct ahash_request *req)
int crypto4xx_hash_digest(struct ahash_request *req)
{
+ struct crypto_ahash *ahash = crypto_ahash_reqtfm(req);
struct crypto4xx_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
+ struct scatterlist dst;
+ unsigned int ds = crypto_ahash_digestsize(ahash);
- ctx->hash_final = 1;
- ctx->pd_ctl = 0x11;
- ctx->direction = DIR_INBOUND;
+ sg_init_one(&dst, req->result, ds);
- return crypto4xx_build_pd(&req->base, ctx, req->src,
- (struct scatterlist *) req->result,
- req->nbytes, NULL, 0);
+ return crypto4xx_build_pd(&req->base, ctx, req->src, &dst,
+ req->nbytes, NULL, 0, ctx->sa_in,
+ ctx->sa_len);
}
/**
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