mirror of
https://github.com/openssl/openssl.git
synced 2024-12-27 06:21:43 +08:00
1d39620b34
This library is meant to be small and quick. It's based on WPACKET,
which was extended to support DER writing. The way it's used is a
bit unusual, as it's used to write the structures backward into a
given buffer. A typical quick call looks like this:
/*
* Fill in this structure:
*
* something ::= SEQUENCE {
* id OBJECT IDENTIFIER,
* x [0] INTEGER OPTIONAL,
* y [1] BOOLEAN OPTIONAL,
* n INTEGER
* }
*/
unsigned char buf[nnnn], *p = NULL;
size_t encoded_len = 0;
WPACKET pkt;
int ok;
ok = WPACKET_init_der(&pkt, buf, sizeof(buf)
&& DER_w_start_sequence(&pkt, -1)
&& DER_w_bn(&pkt, -1, bn)
&& DER_w_boolean(&pkt, 1, bool)
&& DER_w_precompiled(&pkt, -1, OID, sizeof(OID))
&& DER_w_end_sequence(&pkt, -1)
&& WPACKET_finish(&pkt)
&& WPACKET_get_total_written(&pkt, &encoded_len)
&& (p = WPACKET_get_curr(&pkt)) != NULL;
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11450)
120 lines
3.7 KiB
Plaintext
120 lines
3.7 KiB
Plaintext
# Note that these directories are filtered in Configure. Look for %skipdir
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# there for further explanations.
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SUBDIRS=objects buffer bio stack lhash rand evp asn1 pem x509 conf \
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txt_db pkcs7 pkcs12 ui kdf store property \
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md2 md4 md5 sha mdc2 hmac ripemd whrlpool poly1305 \
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siphash sm3 des aes rc2 rc4 rc5 idea aria bf cast camellia \
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seed sm4 chacha modes bn ec rsa dsa dh sm2 dso engine \
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err comp http ocsp cms ts srp cmac ct async ess crmf cmp serializer \
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ffc
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LIBS=../libcrypto
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$UPLINKSRC=
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$UPLINKDEF=
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IF[{- !$disabled{uplink} -}]
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$UPLINKSRC_common=../ms/uplink.c
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$UPLINKSRC_x86=$UPLINKSRC_common uplink-x86.s
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$UPLINKSRC_x86_64=$UPLINKSRC_common uplink-x86_64.s
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$UPLINKSRC_ia64=$UPLINKSRC_common uplink-ia64.s
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IF[$UPLINKSRC_{- $target{uplink_arch} -}]
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$UPLINKSRC=$UPLINKSRC_{- $target{uplink_arch} -}
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$UPLINKDEF=OPENSSL_USE_APPLINK
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ENDIF
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ENDIF
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$CPUIDASM=mem_clr.c
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$CPUIDDEF=
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IF[{- !$disabled{asm} && $config{processor} ne '386' -}]
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$CPUIDASM_x86=x86cpuid.s
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$CPUIDASM_x86_64=x86_64cpuid.s
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$CPUIDASM_ia64=ia64cpuid.s
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$CPUIDASM_sparcv9=sparcv9cap.c sparccpuid.S
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$CPUIDASM_alpha=alphacpuid.s
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$CPUIDASM_s390x=s390xcap.c s390xcpuid.S
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$CPUIDASM_armv4=armcap.c armv4cpuid.S
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$CPUIDASM_aarch64=armcap.c arm64cpuid.S
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$CPUIDASM_parisc11=pariscid.s
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$CPUIDASM_parisc20_64=$CPUIDASM_parisc11
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$CPUIDASM_ppc32=ppccpuid.s ppccap.c
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$CPUIDASM_ppc64=$CPUIDASM_ppc32
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$CPUIDASM_c64xplus=c64xpluscpuid.s
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# Now that we have defined all the arch specific variables, use the
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# appropriate one, and define the appropriate macros
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IF[$CPUIDASM_{- $target{asm_arch} -}]
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$CPUIDASM=$CPUIDASM_{- $target{asm_arch} -}
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$CPUIDDEF=OPENSSL_CPUID_OBJ
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ENDIF
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ENDIF
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# The Core
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$CORE_COMMON=provider_core.c provider_predefined.c \
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core_fetch.c core_algorithm.c core_namemap.c self_test_core.c
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SOURCE[../libcrypto]=$CORE_COMMON provider_conf.c
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SOURCE[../providers/libfips.a]=$CORE_COMMON
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# Central utilities
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$UTIL_COMMON=\
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cryptlib.c params.c params_from_text.c bsearch.c ex_data.c o_str.c \
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ctype.c threads_pthread.c threads_win.c threads_none.c initthread.c \
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context.c sparse_array.c asn1_dsa.c packet.c param_build.c $CPUIDASM \
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param_build_set.c der_writer.c
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$UTIL_DEFINE=$CPUIDDEF
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SOURCE[../libcrypto]=$UTIL_COMMON \
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mem.c mem_sec.c \
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cversion.c info.c cpt_err.c ebcdic.c uid.c o_time.c o_dir.c \
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o_fopen.c getenv.c o_init.c o_fips.c init.c trace.c provider.c \
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$UPLINKSRC
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SOURCE[../providers/libfips.a]=$UTIL_COMMON
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# Implementations are now spread across several libraries, so the defines
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# need to be applied to all affected libraries and modules.
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DEFINE[../libcrypto]=$UTIL_DEFINE $UPLINKDEF
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DEFINE[../providers/libfips.a]=$UTIL_DEFINE
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DEFINE[../providers/fips]=$UTIL_DEFINE
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DEFINE[../providers/libimplementations.a]=$UTIL_DEFINE
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DEFINE[../providers/libcommon.a]=$UTIL_DEFINE
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DEPEND[info.o]=buildinf.h
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DEPEND[cversion.o]=buildinf.h
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GENERATE[buildinf.h]=../util/mkbuildinf.pl "$(CC) $(LIB_CFLAGS) $(CPPFLAGS_Q)" "$(PLATFORM)"
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DEPEND[buildinf.h]=../configdata.pm
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GENERATE[uplink-x86.s]=../ms/uplink-x86.pl
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GENERATE[uplink-x86_64.s]=../ms/uplink-x86_64.pl
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GENERATE[uplink-ia64.s]=../ms/uplink-ia64.pl
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GENERATE[x86cpuid.s]=x86cpuid.pl
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DEPEND[x86cpuid.s]=perlasm/x86asm.pl
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GENERATE[x86_64cpuid.s]=x86_64cpuid.pl
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GENERATE[ia64cpuid.s]=ia64cpuid.S
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GENERATE[ppccpuid.s]=ppccpuid.pl
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GENERATE[pariscid.s]=pariscid.pl
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GENERATE[alphacpuid.s]=alphacpuid.pl
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GENERATE[arm64cpuid.S]=arm64cpuid.pl
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INCLUDE[arm64cpuid.o]=.
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GENERATE[armv4cpuid.S]=armv4cpuid.pl
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INCLUDE[armv4cpuid.o]=.
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GENERATE[s390xcpuid.S]=s390xcpuid.pl
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INCLUDE[s390xcpuid.o]=.
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IF[{- $config{target} =~ /^(?:Cygwin|mingw|VC-)/ -}]
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SHARED_SOURCE[../libcrypto]=dllmain.c
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ENDIF
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