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Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ½º¸¶Æ®Æù¿¡¼­ ÃÔ¿µµÈ HEIF ÆÄÀÏ Æ¯Â¡ ºÐ¼®¿¡ °üÇÑ ¿¬±¸
¿µ¹®Á¦¸ñ(English Title) Forensic Analysis of HEIF Files on Android and Apple Devices
ÀúÀÚ(Author) ±Ç¿µÁø   ¹æ¼ö¹Î   ÇÑÀçÇõ   ÀÌ»óÁø   Youngjin Kwon   Sumin Bang   Jaehyeok Han   Sangjin Lee  
¿ø¹®¼ö·Ïó(Citation) VOL 10 NO. 10 PP. 0421 ~ 0428 (2021. 10)
Çѱ۳»¿ë
(Korean Abstract)
HEIF(High Efficiency Image File Format)´Â MPEG¿¡¼­ °³¹ßµÈ À̹ÌÁö Æ÷¸ËÀ¸·Î½á, ºñµð¿À ÄÚµ¦ÀÎ H.265¸¦ È°¿ëÇÏ¿© Á¤ÁöµÈ È­¸éÀ» ÇϳªÀÇ À̹ÌÁö ÇüÅ·ΠÀúÀåÇÒ ¼ö ÀÖµµ·Ï °³¹ßµÈ ÄÁÅ×À̳ÊÀÌ´Ù. ¾ÆÀÌÆùÀº 2017³âºÎÅÍ HEIF¸¦ »ç¿ëÇÏ°í ÀÖÀ¸¸ç, 2019³âºÎÅÍ´Â °¶·°½Ã S10°ú °°Àº ¾Èµå·ÎÀÌµå ±â±âµµ ÇØ´ç Æ÷¸ËÀ» Áö¿øÇÏ°í ÀÖ´Ù. ÀÌ Æ÷¸ËÀº ¿ì¼öÇÑ ¾ÐÃà·üÀ» °¡Áöµµ·Ï À̹ÌÁö¸¦ Á¦°øÇÒ ¼ö ÀÖÀ¸³ª, º¹ÀâÇÑ ³»ºÎ ±¸Á¶¸¦ °¡Áö°í ÀÖ¾î ±â±â³ª ¼ÒÇÁÆ®¿þ¾î °£ ȣȯ¼ºÀÌ ÇöÀúÇÏ°Ô ºÎÁ·ÇÏ¿© ÀϹÝÀûÀ¸·Î »ç¿ëµÇ´Â JPEG(¶Ç´Â JPG) ÆÄÀÏÀ» ´ëüÇϱ⿡´Â ¾ÆÁ÷ ´ëÁßÀûÀÌÁö ¸øÇÑ »óȲÀÌ´Ù. ÇÏÁö¸¸ ÀÌ¹Ì ¸¹Àº ±â±â¿¡¼­ HEIF¸¦ »ç¿ëÇÏ°í ÀÖÀ½¿¡µµ ºÒ±¸ÇÏ°í µðÁöÅÐ Æ÷·»½Ä ¿¬±¸´Â ºÎÁ·ÇÑ »óȲÀÌ´Ù. ÀÌ´Â µðÁöÅÐ Æ÷·»½Ä Á¶»ç °úÁ¤¿¡¼­ ÆÄÀÏ ³»ºÎ¿¡ Æ÷ÇÔµÈ Á¤º¸ÀÇ ÆľÇÀÌ ¹ÌÈíÇÏ¿© ÀáÀçÀûÀÎ Áõ°Å¸¦ ³õÄ¥ ¼ö ÀÖ´Â À§Çè¿¡ ³ëÃâµÉ ¼ö ÀÖ´Ù. µû¶ó¼­ º» ³í¹®¿¡¼­´Â ¾ÆÀÌÆù¿¡¼­ ÃÔ¿µµÈ HEIF Çü½ÄÀÇ »çÁø ÆÄÀÏ°ú °¶·°½Ã¿¡¼­ ÃÔ¿µµÈ ¸ð¼Ç Æ÷Åä ÆÄÀÏÀ» ºÐ¼®ÇÏ¿© ÆÄÀÏ ³»ºÎ¿¡ Æ÷ÇÔµÈ Á¤º¸¿Í Ư¡µéÀ» ¾Ë¾Æº»´Ù. ¶ÇÇÑ À̹ÌÁö ºä¾î ±â´ÉÀ» Áö¿øÇÏ´Â ¼ÒÇÁÆ®¿þ¾î¸¦ ´ë»óÀ¸·Î HEIF¿¡ ´ëÇÑ Áö¿ø ¿©ºÎ¸¦ Á¶»çÇÏ°í HEIF¸¦ ºÐ¼®ÇÏ´Â Æ÷·»½Ä µµ±¸ÀÇ ¿ä±¸»çÇ×À» Á¦½ÃÇÑ´Ù.
¿µ¹®³»¿ë
(English Abstract)
The High Efficiency Image File Format (HEIF) is an MPEG-developed image format that utilizes the video codec H.265 to store still screens in a single image format. The iPhone has been using HEIF since 2017, and Android devices such as the Galaxy S10 have also supported the format since 2019. The format can provide images with good compression rates, but it has a complex internal structure and lacks significant compatibility between devices and software, making it not popular to replace commonly used JPEG (or JPG) files. However, despite the fact that many devices are already using HEIF, digital forensics research regarding it is lacking. This means that we can be exposed to the risk of missing potential evidence due to insufficient understanding of the information contained inside the file during digital forensics investigations. Therefore, in this paper, we analyze the HEIF formatted photo file taken on the iPhone and the motion photo file taken on the Galaxy to find out the information and features contained inside the file. We also investigate whether or not the software we tested support HEIF and present the requirement of forensic tools to analyze HEIF.
Å°¿öµå(Keyword) H.265   HEIF   HEIC   ¸ð¼ÇÆ÷Åä   µðÁöÅÐ Æ÷·»½Ä   H.265   HEIF   HEIC   Motion Photo   Digital Forensics  
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