Dear Anton,
On Tue, Oct 15, 2019 at 9:00 AM Anton Schmidt <schmidt.ajax@xxxxxxxxx> wrote:
I've got an error in openssl library function when trying to read a pkcs7 message[schmidt@localhost ssl]$ ./bin/openssl version
OpenSSL 3.0.0-dev xx XXX xxxx (Library: OpenSSL 3.0.0-dev xx XXX xxxx)
[schmidt@localhost ssl]$ ./bin/openssl pkcs7 -in /tmp/55b0822e148e4ffaa0bd9ebc41814f54.der -inform DER -print_certs
unable to load PKCS7 object
40:57:70:89:A5:7F:00:00:error:asn1 encoding routines:(unknown function):sequence length mismatch:crypto/asn1/tasn_dec.c:388:Type=PKCS7_ENVELOPE
40:57:70:89:A5:7F:00:00:error:asn1 encoding routines:(unknown function):nested asn1 error:crypto/asn1/tasn_dec.c:629:
40:57:70:89:A5:7F:00:00:error:asn1 encoding routines:(unknown function):nested asn1 error:crypto/asn1/tasn_dec.c:479:Field=d.enveloped, Type=PKCS7openssl asn1parse and other online tools correctly parse and display ASN1 of pkcs7 envelopedData.I want to run openssl utility under debugger to see what is happening inside the library function.I've found OpenSSL library source code https://github.com/openssl/openssl but not the sources for command line utility. Are the sources available?Or as an option is there a guide how I could write a simple pkcs7 envelopedData reader to debug the library function?
You can build openssl using the following steps:
./config -ggdb
make
and then debug
LD_LIBRARY_PATH=. gdb --args apps/openssl ...
SY, Dmitry Belyavsky
