> # JDK-8252523: Add ASN.1 Formatter to work with test utility HexPrinter > > Debugging functions that utilize ASN.1, DER, and BER encoded streams is > difficult without test utilities to show the contents. > The ASN.1 formatter reads a stream and produces annotated output of the > tags, values, and structures. > When used with the test library jdk.test.lib.hexdump.HexPrinter the > annotations are synchronized > with the hex formatted output. > > Small changes to HexPrinter are included to improve the output readability. > > > Example decoding of a .pem certificate: > SEQUENCE [910] > SEQUENCE [630] > CONTEXT cons 0 [3] > BYTE 2, > BYTE 3, > SEQUENCE [13] > OBJECT ID [9] 1.2.840.113549.1.1.11 (SHA256withRSA) > NULL > SEQUENCE [76] > SET [11] > SEQUENCE [9] > OBJECT ID [3] 2.5.4.6 (CountryName) > 'IN' > ... > SET [16] > SEQUENCE [14] > OBJECT ID [3] 2.5.4.3 (CommonName) > Client1 > SEQUENCE [30] > UTCTIME [13] '150526221718Z' > UTCTIME [13] '250523221718Z' > ... > SEQUENCE [290] > SEQUENCE [13] > OBJECT ID [9] 1.2.840.113549.1.1.1 (RSA) > NULL > BIT STRING [271] > CONTEXT cons 3 [123] > SEQUENCE [121] > SEQUENCE [9] > OBJECT ID [3] 2.5.29.19 (BasicConstraints) > OCTET STRING [2] <Unprintable> > SEQUENCE [44] > OBJECT ID [9] 2.16.840.1.113730.1.13 > OCTET STRING [31] '..OpenSSL Generated Certificate' > SEQUENCE [29] > OBJECT ID [3] 2.5.29.14 (SubjectKeyID) > OCTET STRING [22] <Unprintable> > SEQUENCE [31] > OBJECT ID [3] 2.5.29.35 (AuthorityKeyID) > OCTET STRING [24] <Unprintable> > SEQUENCE [13] > OBJECT ID [9] 1.2.840.113549.1.1.11 (SHA256withRSA) > NULL > BIT STRING [257] > When used with the HexPrinter test utility, the formatting of the > hexadecimal values is selected with the parameters to HexPrinter. > > 0000: 30 82 03 8e ; SEQUENCE [910] > 0004: 30 82 02 76 ; SEQUENCE [630] > 0008: a0 03 ; CONTEXT cons > 0 [3] > 000a: 02 01 02 ; BYTE 2, > 000d: 02 01 03 ; BYTE 3, > 0010: 30 0d ; SEQUENCE [13] > 0012: 06 09 2a 86 48 86 f7 0d 01 01 0b ; OBJECT ID > [9] 1.2.840.113549.1.1.11 (SHA256withRSA) > 001d: 05 00 ; NULL > 001f: 30 ; SEQUENCE [76] > 0020: 4c ; > 0021: 31 0b ; SET [11] > 0023: 30 09 ; SEQUENCE > [9] > 0025: 06 03 55 04 06 ; OBJECT > ID [3] 2.5.4.6 (CountryName) > 002a: 13 02 49 4e ; 'IN' > > ... ... > > 005b: 31 10 ; SET [16] > 005d: 30 0e ; SEQUENCE > [14] > 005f: 06 ; OBJECT > ID [3] 2.5.4.3 (CommonName) > 0060: 03 55 04 03 ; > 0064: 0c 07 43 6c 69 65 6e 74 31 ; Client1 > 006d: 30 1e ; SEQUENCE [30] > 006f: 17 ; UTCTIME > [13] '150526221718Z' > 0070: 0d 31 35 30 35 32 36 32 32 31 37 31 38 5a ; > 007e: 17 0d ; UTCTIME > [13] '250523221718Z' > 0080: 32 35 30 35 32 33 32 32 31 37 31 38 5a ; > > ... ... > > 00db: 30 82 01 22 ; SEQUENCE [290] > 00df: 30 ; SEQUENCE > [13] > 00e0: 0d ; > 00e1: 06 09 2a 86 48 86 f7 0d 01 01 01 ; OBJECT ID > [9] 1.2.840.113549.1.1.1 (RSA) > 00ec: 05 00 ; NULL > 00ee: 03 82 ; BIT STRING > [271] > 00f0: 01 0f 00 30 82 01 0a 02 82 01 01 00 d8 70 03 54 ; > > ... > > 01f0: 0a 2d f5 de 59 3e d9 5e 74 93 d2 45 02 03 01 00 ; > 0200: 01 ; > 0201: a3 7b ; CONTEXT > cons 3 [123] > 0203: 30 79 ; SEQUENCE > [121] > 0205: 30 09 ; > SEQUENCE [9] > 0207: 06 03 55 1d 13 ; > OBJECT ID [3] 2.5.29.19 (BasicConstraints) > 020c: 04 02 30 00 ; OCTET > STRING [2] <Unprintable> > 0210: 30 2c ; > SEQUENCE [44] > 0212: 06 09 60 86 48 01 86 f8 42 01 0d ; > OBJECT ID [9] 2.16.840.1.113730.1.13 > 021d: 04 1f 16 ; OCTET > STRING [31] '..OpenSSL Generated > Certificate' 0220: 1d 4f 70 65 6e 53 53 4c 20 47 65 6e 65 72 61 74 ; > 0230: 65 64 20 43 65 72 74 69 66 69 63 61 74 65 ; > 023e: 30 1d ; > SEQUENCE [29] > 0240: 06 03 55 1d 0e ; > OBJECT ID [3] 2.5.29.14 (SubjectKeyID) > 0245: 04 16 04 14 87 13 66 bc 7a 4d 8e ; OCTET > STRING [22] <Unprintable> > 0250: 98 e7 97 fb cc 56 41 27 c8 5e 4c b2 4d ; > 025d: 30 1f ; > SEQUENCE [31] > 025f: 06 ; > OBJECT ID [3] 2.5.29.35 (AuthorityKeyID) > 0260: 03 55 1d 23 ; > 0264: 04 18 30 16 80 14 1f 21 4f db 10 31 ; OCTET > STRING [24] <Unprintable> > 0270: d0 67 83 09 03 d3 cd fc 46 ec cf 1d 8b b4 ; > 027e: 30 0d ; SEQUENCE > [13] > 0280: 06 09 2a 86 48 86 f7 0d 01 01 0b ; OBJECT ID > [9] 1.2.840.113549.1.1.11 (SHA256withRSA) > 028b: 05 00 ; NULL > 028d: 03 82 01 ; BIT STRING > [257] > 0290: 01 00 3e 2b 5f 32 aa f0 f7 52 2b ba f3 bb 07 ee ; > > ... > > 0390: 6d 94 ;
Roger Riggs has updated the pull request incrementally with one additional commit since the last revision: Corrected reading of extended length bytes, depth of indefinite length tag-values, added test for indefinite length ------------- Changes: - all: https://git.openjdk.java.net/jdk/pull/268/files - new: https://git.openjdk.java.net/jdk/pull/268/files/25115595..91741d4a Webrevs: - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=268&range=04 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=268&range=03-04 Stats: 21 lines in 2 files changed: 18 ins; 0 del; 3 mod Patch: https://git.openjdk.java.net/jdk/pull/268.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/268/head:pull/268 PR: https://git.openjdk.java.net/jdk/pull/268
