| Jan Kiszka | 15bb43b | 2023-02-28 19:19:17 +0100 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | |
| 3 | if [ -z "$1" ]; then |
| 4 | echo "Usage: $0 KEY" |
| 5 | exit 1 |
| 6 | fi |
| 7 | |
| 8 | TEMP_X509=$(mktemp XXXXXXXX.temp) |
| 9 | |
| 10 | REVISION=${2:-0} |
| 11 | SHA_VAL=$(openssl dgst -sha512 -hex tispl.bin | sed -e "s/^.*= //g") |
| 12 | BIN_SIZE=$(stat -c %s tispl.bin) |
| 13 | |
| 14 | cat <<EOF >$TEMP_X509 |
| 15 | [ req ] |
| 16 | distinguished_name = req_distinguished_name |
| 17 | x509_extensions = v3_ca |
| 18 | prompt = no |
| 19 | dirstring_type = nobmp |
| 20 | |
| 21 | [ req_distinguished_name ] |
| 22 | CN = IOT2050 Firmware Signature |
| 23 | |
| 24 | [ v3_ca ] |
| 25 | basicConstraints = CA:true |
| 26 | 1.3.6.1.4.1.294.1.3 = ASN1:SEQUENCE:swrv |
| 27 | 1.3.6.1.4.1.294.1.34 = ASN1:SEQUENCE:sysfw_image_integrity |
| 28 | |
| 29 | [ swrv ] |
| 30 | swrv = INTEGER:$REVISION |
| 31 | |
| 32 | [ sysfw_image_integrity ] |
| 33 | shaType = OID:2.16.840.1.101.3.4.2.3 |
| 34 | shaValue = FORMAT:HEX,OCT:$SHA_VAL |
| 35 | imageSize = INTEGER:$BIN_SIZE |
| 36 | EOF |
| 37 | |
| 38 | CERT_X509=$(mktemp XXXXXXXX.crt) |
| 39 | |
| 40 | openssl req -new -x509 -key $1 -nodes -outform DER -out $CERT_X509 -config $TEMP_X509 -sha512 |
| 41 | cat $CERT_X509 tispl.bin > tispl.bin_signed |
| 42 | # currently broken in upstream |
| 43 | #source/tools/binman/binman replace -i flash.bin -f tispl.bin_signed blob@0x180000 |
| 44 | dd if=tispl.bin_signed of=flash.bin bs=$((0x1000)) seek=$((0x180000/0x1000)) conv=notrunc |
| 45 | |
| 46 | rm $TEMP_X509 $CERT_X509 |
| 47 | |
| 48 | tools/mkimage -G $1 -r -o sha256,rsa4096 -F fit@0x380000.fit |
| 49 | # currently broken in upstream |
| 50 | #source/tools/binman/binman replace -i flash.bin -f fit@0x380000.fit fit@0x380000 |
| 51 | dd if=fit@0x380000.fit of=flash.bin bs=$((0x1000)) seek=$((0x380000/0x1000)) conv=notrunc |