+static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+ {
+ EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
+ if (!iv && !key)
+ return 1;
+ if (key)
+ {
+ aesni_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks);
+ CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
+ (block128_f)aesni_encrypt);
+ /* If we have an iv can set it directly, otherwise use
+ * saved IV.
+ */
+ if (iv == NULL && gctx->iv_set)
+ iv = gctx->iv;
+ if (iv)
+ {
+ CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
+ gctx->iv_set = 1;
+ }
+ gctx->key_set = 1;
+ }
+ else
+ {
+ /* If key set use IV, otherwise copy */
+ if (gctx->key_set)
+ CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
+ else
+ memcpy(gctx->iv, iv, gctx->ivlen);
+ gctx->iv_set = 1;
+ gctx->iv_gen = 0;
+ }
+ return 1;
+ }
+
+static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+ {
+ EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
+ /* If not set up, return error */
+ if (!gctx->iv_set && !gctx->key_set)
+ return -1;
+ if (!ctx->encrypt && gctx->taglen < 0)
+ return -1;
+ if (in)
+ {
+ if (out == NULL)
+ {
+ if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
+ return -1;
+ }
+ else if (ctx->encrypt)
+ {
+ if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
+ in, out, len,
+ aesni_ctr32_encrypt_blocks))
+ return -1;
+ }
+ else
+ {
+ if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
+ in, out, len,
+ aesni_ctr32_encrypt_blocks))
+ return -1;
+ }
+ return len;
+ }
+ else
+ {
+ if (!ctx->encrypt)
+ {
+ if (CRYPTO_gcm128_finish(&gctx->gcm,
+ ctx->buf, gctx->taglen) != 0)
+ return -1;
+ gctx->iv_set = 0;
+ return 0;
+ }
+ CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, 16);
+ gctx->taglen = 16;
+ /* Don't reuse the IV */
+ gctx->iv_set = 0;
+ return 0;
+ }
+
+ }
+
+static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+ {
+ EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
+ if (!iv && !key)
+ return 1;
+
+ if (key)
+ {
+ /* key_len is two AES keys */
+ if (enc)
+ {
+ aesni_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1);
+ xctx->xts.block1 = (block128_f)aesni_encrypt;
+ }
+ else
+ {
+ aesni_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1);
+ xctx->xts.block1 = (block128_f)aesni_decrypt;
+ }
+
+ aesni_set_encrypt_key(key + ctx->key_len/2,
+ ctx->key_len * 4, &xctx->ks2);
+ xctx->xts.block2 = (block128_f)aesni_encrypt;
+
+ xctx->xts.key1 = &xctx->ks1;
+ }
+
+ if (iv)
+ {
+ xctx->xts.key2 = &xctx->ks2;
+ memcpy(ctx->iv, iv, 16);
+ }
+
+ return 1;
+ }
+
+static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+ {
+ EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
+ if (!xctx->xts.key1 || !xctx->xts.key2)
+ return -1;
+ if (!out || !in)
+ return -1;
+#ifdef OPENSSL_FIPS
+ /* Requirement of SP800-38E */
+ if (FIPS_module_mode() && !(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW) &&
+ (len > (1L<<20)*16))
+ {
+ EVPerr(EVP_F_AES_XTS, EVP_R_TOO_LARGE);
+ return -1;
+ }
+#endif
+ if (ctx->encrypt)
+ aesni_xts_encrypt(in, out, len,
+ xctx->xts.key1, xctx->xts.key2, ctx->iv);
+ else
+ aesni_xts_decrypt(in, out, len,
+ xctx->xts.key1, xctx->xts.key2, ctx->iv);
+
+ return len;
+ }
+
+static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+ {
+ EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
+ if (!iv && !key)
+ return 1;
+ if (key)
+ {
+ aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks);
+ CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
+ &cctx->ks, (block128_f)aesni_encrypt);
+ cctx->key_set = 1;
+ }
+ if (iv)
+ {
+ memcpy(ctx->iv, iv, 15 - cctx->L);
+ cctx->iv_set = 1;
+ }
+ return 1;
+ }
+
+static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+ {
+ EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
+ CCM128_CONTEXT *ccm = &cctx->ccm;
+ /* If not set up, return error */
+ if (!cctx->iv_set && !cctx->key_set)
+ return -1;
+ if (!ctx->encrypt && !cctx->tag_set)
+ return -1;
+ if (!out)
+ {
+ if (!in)
+ {
+ if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L,len))
+ return -1;
+ cctx->len_set = 1;
+ return len;
+ }
+ /* If have AAD need message length */
+ if (!cctx->len_set && len)
+ return -1;
+ CRYPTO_ccm128_aad(ccm, in, len);
+ return len;
+ }
+ /* EVP_*Final() doesn't return any data */
+ if (!in)
+ return 0;
+ /* If not set length yet do it */
+ if (!cctx->len_set)
+ {
+ if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len))
+ return -1;
+ cctx->len_set = 1;
+ }
+ if (ctx->encrypt)
+ {
+ if (CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
+ aesni_ccm64_encrypt_blocks))
+ return -1;
+ cctx->tag_set = 1;
+ return len;
+ }
+ else
+ {
+ int rv = -1;
+ if (!CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
+ aesni_ccm64_decrypt_blocks))
+ {
+ unsigned char tag[16];
+ if (CRYPTO_ccm128_tag(ccm, tag, cctx->M))
+ {
+ if (!memcmp(tag, ctx->buf, cctx->M))
+ rv = len;
+ }
+ }
+ if (rv == -1)
+ OPENSSL_cleanse(out, len);
+ cctx->iv_set = 0;
+ cctx->tag_set = 0;
+ cctx->len_set = 0;
+ return rv;
+ }
+
+ }
+
+#define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
+static const EVP_CIPHER aesni_##keylen##_##mode = { \