232 lines
10 KiB
C
232 lines
10 KiB
C
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#define BLOCK_CIPHER_ecb_loop() \
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unsigned int i, bl; \
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bl = ctx->cipher->block_size; \
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if (inl < bl) \
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return 1; \
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inl -= bl; \
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for (i = 0; i <= inl; i += bl)
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#define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
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static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, \
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const unsigned char *in, \
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unsigned int inl) \
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{ \
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BLOCK_CIPHER_ecb_loop() cprefix##_ecb_encrypt( \
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in + i, out + i, \
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&((kstruct *)ctx->cipher_data)->ksched, ctx->encrypt); \
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return 1; \
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}
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#define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \
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static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, \
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const unsigned char *in, \
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unsigned int inl) \
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{ \
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cprefix##_ofb##cbits##_encrypt( \
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in, out, (long)inl, \
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&((kstruct *)ctx->cipher_data)->ksched, ctx->iv, \
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&ctx->num); \
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return 1; \
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}
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#define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
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static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, \
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const unsigned char *in, \
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unsigned int inl) \
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{ \
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cprefix##_cbc_encrypt(in, out, (long)inl, \
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&((kstruct *)ctx->cipher_data)->ksched, \
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ctx->iv, ctx->encrypt); \
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return 1; \
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}
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#define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
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static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, \
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unsigned char *out, \
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const unsigned char *in, \
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unsigned int inl) \
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{ \
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cprefix##_cfb##cbits##_encrypt( \
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in, out, \
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(long)((cbits == 1) && \
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!(ctx->flags & \
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EVP_CIPH_FLAG_LENGTH_BITS) ? \
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inl * 8 : \
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inl), \
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&((kstruct *)ctx->cipher_data)->ksched, ctx->iv, \
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&ctx->num, ctx->encrypt); \
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return 1; \
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}
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#define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
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BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
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BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
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BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
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BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, \
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kstruct, ksched)
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#define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \
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key_len, iv_len, flags, init_key, cleanup, set_asn1, \
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get_asn1, ctrl) \
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static const EVP_CIPHER cname##_##mode = { \
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nid##_##nmode, \
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block_size, \
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key_len, \
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iv_len, \
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flags | EVP_CIPH_##MODE##_MODE, \
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init_key, \
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cname##_##mode##_cipher, \
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cleanup, \
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sizeof(kstruct), \
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set_asn1, \
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get_asn1, \
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ctrl, \
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NULL \
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}; \
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const EVP_CIPHER *EVP_##cname##_##mode(void) \
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{ \
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return &cname##_##mode; \
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}
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#define BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, \
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flags, init_key, cleanup, set_asn1, get_asn1, \
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ctrl) \
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BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, \
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key_len, iv_len, flags, init_key, cleanup, set_asn1, \
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get_asn1, ctrl)
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#define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \
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flags, init_key, cleanup, set_asn1, get_asn1, \
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ctrl) \
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BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \
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key_len, iv_len, flags, init_key, cleanup, set_asn1, \
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get_asn1, ctrl)
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#define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \
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flags, init_key, cleanup, set_asn1, get_asn1, \
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ctrl) \
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BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \
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key_len, iv_len, flags, init_key, cleanup, set_asn1, \
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get_asn1, ctrl)
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#define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \
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init_key, cleanup, set_asn1, get_asn1, ctrl) \
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BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, \
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key_len, 0, flags, init_key, cleanup, set_asn1, \
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get_asn1, ctrl)
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#define BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \
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cbits, flags, init_key, cleanup, set_asn1, get_asn1, \
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ctrl) \
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BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, \
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flags, init_key, cleanup, set_asn1, get_asn1, \
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ctrl) \
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BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, \
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cbits, flags, init_key, cleanup, \
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set_asn1, get_asn1, ctrl) \
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BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \
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iv_len, cbits, flags, init_key, \
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cleanup, set_asn1, get_asn1, \
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ctrl) \
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BLOCK_CIPHER_def_ecb(cname, kstruct, nid, \
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block_size, key_len, \
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flags, init_key, cleanup, \
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set_asn1, get_asn1, ctrl)
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/*
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#define BLOCK_CIPHER_defs(cname, kstruct, \
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nid, block_size, key_len, iv_len, flags,\
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init_key, cleanup, set_asn1, get_asn1, ctrl)\
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static const EVP_CIPHER cname##_cbc = {\
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nid##_cbc, block_size, key_len, iv_len, \
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flags | EVP_CIPH_CBC_MODE,\
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init_key,\
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cname##_cbc_cipher,\
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cleanup,\
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sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
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sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
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set_asn1, get_asn1,\
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ctrl, \
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NULL \
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};\
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const EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\
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static const EVP_CIPHER cname##_cfb = {\
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nid##_cfb64, 1, key_len, iv_len, \
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flags | EVP_CIPH_CFB_MODE,\
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init_key,\
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cname##_cfb_cipher,\
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cleanup,\
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sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
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sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
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set_asn1, get_asn1,\
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ctrl,\
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NULL \
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};\
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const EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\
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static const EVP_CIPHER cname##_ofb = {\
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nid##_ofb64, 1, key_len, iv_len, \
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flags | EVP_CIPH_OFB_MODE,\
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init_key,\
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cname##_ofb_cipher,\
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cleanup,\
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sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
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sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
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set_asn1, get_asn1,\
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ctrl,\
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NULL \
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};\
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const EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\
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static const EVP_CIPHER cname##_ecb = {\
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nid##_ecb, block_size, key_len, iv_len, \
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flags | EVP_CIPH_ECB_MODE,\
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init_key,\
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cname##_ecb_cipher,\
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cleanup,\
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sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
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sizeof((((EVP_CIPHER_CTX *)NULL)->c.kstruct)),\
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set_asn1, get_asn1,\
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ctrl,\
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NULL \
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};\
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const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
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*/
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#define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \
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block_size, key_len, iv_len, cbits, flags, \
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init_key, cleanup, set_asn1, get_asn1, ctrl) \
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BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
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BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, \
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iv_len, cbits, flags, init_key, cleanup, \
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set_asn1, get_asn1, ctrl)
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#define EVP_C_DATA(kstruct, ctx) ((kstruct *)(ctx)->cipher_data)
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#define IMPLEMENT_CFBR(cipher, cprefix, kstruct, ksched, keysize, cbits, \
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iv_len, fl) \
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BLOCK_CIPHER_func_cfb(cipher##_##keysize, cprefix, cbits, kstruct, \
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ksched) \
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BLOCK_CIPHER_def_cfb(cipher##_##keysize, kstruct, \
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NID_##cipher##_##keysize, keysize / 8, \
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iv_len, cbits, \
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(fl) | EVP_CIPH_FLAG_DEFAULT_ASN1, \
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cipher##_init_key, NULL, NULL, NULL, \
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NULL)
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#ifdef OPENSSL_FIPS
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#define RC2_set_key private_RC2_set_key
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#define RC4_set_key private_RC4_set_key
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#define CAST_set_key private_CAST_set_key
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#define RC5_32_set_key private_RC5_32_set_key
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#define BF_set_key private_BF_set_key
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#define Camellia_set_key private_Camellia_set_key
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#define idea_set_encrypt_key private_idea_set_encrypt_key
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#define MD5_Init private_MD5_Init
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#define MD4_Init private_MD4_Init
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#define MD2_Init private_MD2_Init
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#define MDC2_Init private_MDC2_Init
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#define SHA_Init private_SHA_Init
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#endif
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