Referencia del Archivo src/libdigidoc/openssl/crypto/evp/evp_locl.h

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'defines'
#define	BLOCK_CIPHER_ecb_loop()
#define	BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched)
#define	BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched)
#define	BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched)
#define	BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched)
#define	BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched)
#define	BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, key_len, iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
#define	BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
#define	BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
#define	BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
#define	BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
#define	BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, cbits, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
#define	IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, block_size, key_len, iv_len, cbits, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
#define	EVP_C_DATA(kstruct, ctx)   ((kstruct *)(ctx)->cipher_data)
#define	IMPLEMENT_CFBR(cipher, cprefix, kstruct, ksched, keysize, cbits, iv_len, fl)

---

Documentación de los 'defines'

#define BLOCK_CIPHER_all_funcs	(		cname,
			cprefix,
			cbits,
			kstruct,
			ksched
	)

Valor:

BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
        BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
        BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
        BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched)

#define BLOCK_CIPHER_def1	(		cname,
			nmode,
			mode,
			MODE,
			kstruct,
			nid,
			block_size,
			key_len,
			iv_len,
			flags,
			init_key,
			cleanup,
			set_asn1,
			get_asn1,
			ctrl
	)

Valor:

static const EVP_CIPHER cname##_##mode = { \
        nid##_##nmode, block_size, key_len, iv_len, \
        flags | EVP_CIPH_##MODE##_MODE, \
        init_key, \
        cname##_##mode##_cipher, \
        cleanup, \
        sizeof(kstruct), \
        set_asn1, get_asn1,\
        ctrl, \
        NULL \
}; \
const EVP_CIPHER *EVP_##cname##_##mode(void) { return &cname##_##mode; }

#define BLOCK_CIPHER_def_cbc	(		cname,
			kstruct,
			nid,
			block_size,
			key_len,
			iv_len,
			flags,
			init_key,
			cleanup,
			set_asn1,
			get_asn1,
			ctrl
	)

Valor:

BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \
                  iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)

#define BLOCK_CIPHER_def_cfb	(		cname,
			kstruct,
			nid,
			key_len,
			iv_len,
			cbits,
			flags,
			init_key,
			cleanup,
			set_asn1,
			get_asn1,
			ctrl
	)

Valor:

BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \
                  key_len, iv_len, flags, init_key, cleanup, set_asn1, \
                  get_asn1, ctrl)

#define BLOCK_CIPHER_def_ecb	(		cname,
			kstruct,
			nid,
			block_size,
			key_len,
			flags,
			init_key,
			cleanup,
			set_asn1,
			get_asn1,
			ctrl
	)

Valor:

BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \
                  0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)

#define BLOCK_CIPHER_def_ofb	(		cname,
			kstruct,
			nid,
			key_len,
			iv_len,
			cbits,
			flags,
			init_key,
			cleanup,
			set_asn1,
			get_asn1,
			ctrl
	)

Valor:

BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \
                  key_len, iv_len, flags, init_key, cleanup, set_asn1, \
                  get_asn1, ctrl)

#define BLOCK_CIPHER_defs	(		cname,
			kstruct,
			nid,
			block_size,
			key_len,
			iv_len,
			cbits,
			flags,
			init_key,
			cleanup,
			set_asn1,
			get_asn1,
			ctrl
	)

Valor:

BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
                     init_key, cleanup, set_asn1, get_asn1, ctrl) \
BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \
                     flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \
                     flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \
                     init_key, cleanup, set_asn1, get_asn1, ctrl)

#define BLOCK_CIPHER_ecb_loop

(

)

Valor:

unsigned int i, bl; \
        bl = ctx->cipher->block_size;\
        if(inl < bl) return 1;\
        inl -= bl; \
        for(i=0; i <= inl; i+=bl)

#define BLOCK_CIPHER_func_cbc	(		cname,
			cprefix,
			kstruct,
			ksched
	)

Valor:

static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
{\
        cprefix##_cbc_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, ctx->encrypt);\
        return 1;\
}

#define BLOCK_CIPHER_func_cfb	(		cname,
			cprefix,
			cbits,
			kstruct,
			ksched
	)

Valor:

static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
{\
        cprefix##_cfb##cbits##_encrypt(in, out, (long)((cbits==1) && !(ctx->flags & EVP_CIPH_FLAG_LENGTH_BITS) ?inl*8:inl), &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num, ctx->encrypt);\
        return 1;\
}

#define BLOCK_CIPHER_func_ecb	(		cname,
			cprefix,
			kstruct,
			ksched
	)

Valor:

static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
{\
        BLOCK_CIPHER_ecb_loop() \
                cprefix##_ecb_encrypt(in + i, out + i, &((kstruct *)ctx->cipher_data)->ksched, ctx->encrypt);\
        return 1;\
}

#define BLOCK_CIPHER_func_ofb	(		cname,
			cprefix,
			cbits,
			kstruct,
			ksched
	)

Valor:

static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
{\
        cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num);\
        return 1;\
}

#define EVP_C_DATA	(		kstruct,
			ctx
	)		((kstruct *)(ctx)->cipher_data)

#define IMPLEMENT_BLOCK_CIPHER	(		cname,
			ksched,
			cprefix,
			kstruct,
			nid,
			block_size,
			key_len,
			iv_len,
			cbits,
			flags,
			init_key,
			cleanup,
			set_asn1,
			get_asn1,
			ctrl
	)

Valor:

BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
        BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \
                          cbits, flags, init_key, cleanup, set_asn1, \
                          get_asn1, ctrl)

#define IMPLEMENT_CFBR	(		cipher,
			cprefix,
			kstruct,
			ksched,
			keysize,
			cbits,
			iv_len,
			fl
	)

Valor:

BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \
        BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \
                             NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \
                             (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \
                             cipher##_init_key, NULL, NULL, NULL, NULL)