+# define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
+ BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
+ BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
+ BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
+ BLOCK_CIPHER_generic(nid,keylen,1,16,cfb128,cfb,CFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
+ BLOCK_CIPHER_generic(nid,keylen,1,16,cfb1,cfb1,CFB,flags) \
+ BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \
+ BLOCK_CIPHER_generic(nid, keylen, 1, 16, ctr, ctr, CTR, flags)
+
+/* The subkey for Camellia is generated. */
+static int camellia_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+{
+ int ret, mode;
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY,ctx);
+
+ ret = Camellia_set_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, &dat->ks);
+ if (ret < 0) {
+ EVPerr(EVP_F_CAMELLIA_INIT_KEY, EVP_R_CAMELLIA_KEY_SETUP_FAILED);
+ return 0;
+ }
+
+ mode = EVP_CIPHER_CTX_mode(ctx);
+ if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
+ && !enc) {
+ dat->block = (block128_f) Camellia_decrypt;
+ dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) Camellia_cbc_encrypt : NULL;
+ } else {
+ dat->block = (block128_f) Camellia_encrypt;
+ dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) Camellia_cbc_encrypt : NULL;
+ }
+
+ return 1;
+}
+
+static int camellia_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY,ctx);
+
+ if (dat->stream.cbc)
+ (*dat->stream.cbc) (in, out, len, &dat->ks,
+ EVP_CIPHER_CTX_iv_noconst(ctx),
+ EVP_CIPHER_CTX_encrypting(ctx));
+ else if (EVP_CIPHER_CTX_encrypting(ctx))
+ CRYPTO_cbc128_encrypt(in, out, len, &dat->ks,
+ EVP_CIPHER_CTX_iv_noconst(ctx), dat->block);
+ else
+ CRYPTO_cbc128_decrypt(in, out, len, &dat->ks,
+ EVP_CIPHER_CTX_iv_noconst(ctx), dat->block);
+
+ return 1;
+}
+
+static int camellia_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ size_t bl = EVP_CIPHER_CTX_block_size(ctx);
+ size_t i;
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY,ctx);
+
+ if (len < bl)
+ return 1;
+
+ for (i = 0, len -= bl; i <= len; i += bl)
+ (*dat->block) (in + i, out + i, &dat->ks);
+
+ return 1;
+}
+
+static int camellia_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY,ctx);
+
+ int num = EVP_CIPHER_CTX_num(ctx);
+ CRYPTO_ofb128_encrypt(in, out, len, &dat->ks,
+ EVP_CIPHER_CTX_iv_noconst(ctx), &num, dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ return 1;
+}
+
+static int camellia_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY,ctx);
+
+ int num = EVP_CIPHER_CTX_num(ctx);
+ CRYPTO_cfb128_encrypt(in, out, len, &dat->ks,
+ EVP_CIPHER_CTX_iv_noconst(ctx), &num, EVP_CIPHER_CTX_encrypting(ctx), dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ return 1;
+}
+
+static int camellia_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY,ctx);
+
+ int num = EVP_CIPHER_CTX_num(ctx);
+ CRYPTO_cfb128_8_encrypt(in, out, len, &dat->ks,
+ EVP_CIPHER_CTX_iv_noconst(ctx), &num, EVP_CIPHER_CTX_encrypting(ctx), dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ return 1;
+}
+
+static int camellia_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY,ctx);
+
+ if (EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS)) {
+ int num = EVP_CIPHER_CTX_num(ctx);
+ CRYPTO_cfb128_1_encrypt(in, out, len, &dat->ks,
+ EVP_CIPHER_CTX_iv_noconst(ctx), &num, EVP_CIPHER_CTX_encrypting(ctx), dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ return 1;
+ }
+
+ while (len >= MAXBITCHUNK) {
+ int num = EVP_CIPHER_CTX_num(ctx);
+ CRYPTO_cfb128_1_encrypt(in, out, MAXBITCHUNK * 8, &dat->ks,
+ EVP_CIPHER_CTX_iv_noconst(ctx), &num, EVP_CIPHER_CTX_encrypting(ctx), dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ len -= MAXBITCHUNK;
+ out += MAXBITCHUNK;
+ in += MAXBITCHUNK;
+ }
+ if (len) {
+ int num = EVP_CIPHER_CTX_num(ctx);
+ CRYPTO_cfb128_1_encrypt(in, out, len * 8, &dat->ks,
+ EVP_CIPHER_CTX_iv_noconst(ctx), &num, EVP_CIPHER_CTX_encrypting(ctx), dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ }
+
+ return 1;
+}
+
+static int camellia_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ unsigned int num = EVP_CIPHER_CTX_num(ctx);
+ EVP_CAMELLIA_KEY *dat = EVP_C_DATA(EVP_CAMELLIA_KEY,ctx);
+
+ if (dat->stream.ctr)
+ CRYPTO_ctr128_encrypt_ctr32(in, out, len, &dat->ks,
+ EVP_CIPHER_CTX_iv_noconst(ctx),
+ EVP_CIPHER_CTX_buf_noconst(ctx), &num,
+ dat->stream.ctr);
+ else
+ CRYPTO_ctr128_encrypt(in, out, len, &dat->ks,
+ EVP_CIPHER_CTX_iv_noconst(ctx),
+ EVP_CIPHER_CTX_buf_noconst(ctx), &num,
+ dat->block);
+ EVP_CIPHER_CTX_set_num(ctx, num);
+ return 1;
+}
+
+BLOCK_CIPHER_generic_pack(NID_camellia, 128, 0)
+ BLOCK_CIPHER_generic_pack(NID_camellia, 192, 0)
+ BLOCK_CIPHER_generic_pack(NID_camellia, 256, 0)