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* sm/minip12.c (struct tlv_ctx_s): Add origbuffer and origbufsize. Remove pop_count. Rename offset to length. (dump_tag_info, _dump_tag_info): Rewrite. (dump_tlv_ctx, _dump_tlv_ctx): Rewrite. (tlv_new): Init origbuffer. (_tlv_peek): Add arg ti. (tlv_peek): New. (tlv_peek_null): New. (_tlv_push): Rewrite. (_tlv_pop): Rewrite. (tlv_next): New macro. Move old code to ... (_tlv_next): this. Add arg lno. Pop remaining end tags. (tlv_popped): Remove. (tlv_expect_object): Handle ndef. (tlv_expect_octet_string): Ditto. (parse_bag_encrypted_data): Use nesting level to control the inner loop. (parse_shrouded_key_bag): Likewise. (parse_bag_data): Handle surplus octet strings. (p12_parse): Ditto. * sm/minip12.c (decrypt_block): Strip the padding. (tlv_expect_top_sequence): Remove. Replace callers by tlv_expect_sequence. * tests/cms/samplekeys/t6752-ov-user-ff.p12: New sample key. * tests/cms/samplekeys/Description-p12: Add its description -- This patch improves the BER parser by simplifying it. Now tlv_next pops off and thus closes all containers regardless on whether they are length bounded or ndef. tlv_set_pending is now always used to undo the effect of a tlv_next in a loop condition which was terminated by a nesting level change. Instead of using the length as seen in the decrypted container we now remove the padding and let the BER parser do its work. This might have a negative effect on pkcs#12 objects which are not correctly padded but we don't have any example of such broken objects. GnuPG-bug-id: 6752 |
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|---|---|---|
| .. | ||
| samplekeys | ||
| samplemsgs | ||
| 32100C27173EF6E9C4E9A25D3D69F86D37A4F939 | ||
| 567064FE6D14A17B2D811ABB407728BC558AA455 | ||
| all-tests.scm | ||
| cert_cci_sphinx_ca.pem | ||
| cert_cci_test_wzs.pem | ||
| cert_cci_test_zs.pem | ||
| cert_cci_user02.pem | ||
| cert_cci_user03.pem | ||
| cert_cci_user04.pem | ||
| cert_cci_user06.pem | ||
| cert_cci_user07.pem | ||
| cert_dfn_pca01.der | ||
| cert_dfn_pca15.der | ||
| cert_g10code_test1.der | ||
| cert_testpki_testpca.pem | ||
| crl_testpki_testpca.pem | ||
| decrypt.scm | ||
| encrypt.scm | ||
| export.scm | ||
| gpgsm-defs.scm | ||
| import.scm | ||
| inittests | ||
| key_g10code_pete1.pem | ||
| key_g10code_theo1.pem | ||
| Makefile.am | ||
| plain-1.cms.asc | ||
| plain-2.cms.asc | ||
| plain-3.cms.asc | ||
| plain-large.cms.asc | ||
| run-tests.scm | ||
| runtest | ||
| setup.scm | ||
| shell.scm | ||
| sign.scm | ||
| skey_g10code_test1.pem | ||
| sm-sign+verify | ||
| sm-verify | ||
| text-1.dsig.pem | ||
| text-1.osig-bad.pem | ||
| text-1.osig-badusage.pem | ||
| text-1.osig.pem | ||
| text-1.txt | ||
| text-2.osig-bad.pem | ||
| text-2.osig.pem | ||
| text-2.txt | ||
| text-3.txt | ||
| verify.scm | ||