IZ73340: COMPARE DOMAINCOMPONENT (DC) AND EMAILADDRESS OF DOMAINNAME(X500NAME) IN CASE INSENSITIVE MANNER.

APAR status

• Closed as program error.

Error description

• APAR Description : Compare DomainComponent (DC) and EMAILADDRESS
  of DomainName(X500Name) in case insensitive manner  .
  
  JDK Affected : JDK 142, 5.0, 6.0
  
  JAR Affected: ibmpkcs.jar
  
  Problem Description :
  Values of DomainComponent(DC) and emailaddress attributes in
  DomainName(X500Name) are encoded as IA5String .  If the values
  are same but in different case, their DER values don't match
  causing the equality check to fail.
  
  For example, X500Name of following pairs of DNs does not match
  (equals returns false) currently :
  
  CN=GROUP-1,DC=IBM,DC=COM
  CN=GROUP-1,dc=ibm,dc=com
  
  CN=group-1, DC=ibm, DC=com, EMAILADDRESS=abc@xyz.com
  CN=group-1, DC=ibm, DC=com, EMAILADDRESS=ABC@XYZ.COM
  
  
  RFC 4519 describes DomainComponent (DC) and mentions that
  "equality matching rule is case insensitive" as below URL :
  http://tools.ietf.org/html/rfc4519
  
  Also RFC 2985 describes EMAILADDRESS as per below URL and
  mentions that "When comparing two email addresses, case is
  irrelevant".
  http://www.rfc-editor.org/rfc/rfc2985.txt
  
  So equality check of two Domain Names (X500Names) having same DC
  and emailaddress BUT in different case, should be successful.
  

Local fix

• Level 3 to update
  

Problem summary

•    IA5String matching.   Compare DomainComponent
  (DC) and EMAILADDRESS of DomainName(X500Name) in case
  insensitive manner
  
  PROBLEM DESCRIPTION:
  
  Values of DomainComponent(DC) and emailaddress attributes in
  DomainName(X500Name) are encoded as IA5String .  If the values
  are same but in different case, their DER values don't match
  causing the equality check to fail.
  
  For example, X500Name of following pairs of DNs does not match
  (equals returns false) currently :
  
  CN=GROUP-1,DC=IBM,DC=COM
  CN=GROUP-1,dc=ibm,dc=com
  
  CN=group-1, DC=ibm, DC=com, EMAILADDRESS=xyz@ibm.com
  CN=group-1, DC=ibm, DC=com, EMAILADDRESS=XYZ@IBM.COM
  
  RFC 4519 describes DomainComponent (DC) and mentions that
  "equality matching rule is case insensitive" as below URL :
  http://tools.ietf.org/html/rfc4519
  
  Also RFC 2985 describes EMAILADDRESS as per below URL and
  mentions that "When comparing two email addresses, case is
  irrelevant".
  http://www.rfc-editor.org/rfc/rfc2985.txt
  
  So equality check of two Domain Names (X500Names) having same DC
  and emailaddress BUT in different case, should be successful.
  

Problem conclusion

• The problem can be resolved by converting DC and EMAILADDRESS
  values to LowerCase before encoding these value in IA5String.
  This way the DER values will be same and equality check would
  succeed.
  
  The associated Hursley CMVC defect is 163952.
  The associated Austin CMVC defect is 110191.
  The fix is being dropped for:
  1.4.2 SR13 FP5
  5.0.0 SR12
  6.0.0 SR8
  
  The build level of this jar for Java 1.4.2, 5.0, and 6.0 is
  20100326.
  

Temporary fix

• ZE FIX ERROR IV50258 13/10/01
  

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  TIVOLI JAVA PKC

• Fixed component ID

  TIVSECPKC

Applicable component levels

• R100 PSY

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