def decode_emmc_cid(cid_hex): # 1. Pre-processing cid_hex = cid_hex.strip().replace(" ", "").replace("0x", "").upper() if len(cid_hex) != 32: print(f"Error: CID must be 32 hex characters (16 bytes). You provided len(cid_hex).") return Download Lustmazanetdesi Style Uncut 720 Link Today
# 4. Output print("-" * 40) print(" eMMC CID DECODER OUTPUT") print("-" * 40) print(f"Raw Input: cid_hex") print("-" * 40) print(f"Manufacturer (MID): MID_MAP.get(mid, 'Unknown') (ID: 0xmid:02X)") print(f"OEM ID (OID): oid_bytes.hex().upper()") print(f"Product Name (PNM): pnm") print(f"Revision (PRV): major_rev.minor_rev") print(f"Serial Number (PSN): psn (0xpsn:08X)") print(f"Manufacturing Date: year-month:02d (YYYY-MM)") print("-" * 40) print(f"CRC Check: crc_status") print("-" * 40) Youtube Download Ios 1257 Verified - 3.79.94.248
You can run this script in any standard Python environment. It uses the built-in sys module, so no external installations are required.
# Standard Manufacturer ID Map (Based on SD/MMC Association and common usage) MID_MAP = 0x00: "SanDisk", 0x02: "Kingston", 0x03: "Toshiba / Kioxia", 0x11: "Toshiba / Kioxia", 0x15: "Samsung", 0x45: "SanDisk", 0x13: "Micron", 0x70: "Kingston", 0xFE: "Micron",
try: raw_bytes = bytes.fromhex(cid_hex) except ValueError: print("Error: Invalid hex string.") return
# 2. Parse Fields (Big Endian / Standard MMC Spec) # Byte 0: Manufacturer ID (MID) mid = raw_bytes[0] # Bytes 1-2: OEM/Application ID (OID) oid_bytes = raw_bytes[1:3] # Bytes 3-8: Product Name (PNM) - ASCII pnm_bytes = raw_bytes[3:9] try: pnm = pnm_bytes.decode('ascii').rstrip('\x00') except UnicodeDecodeError: pnm = "N/A"
def calculate_crc7(data): """ Calculates CRC7 for the CID validation. Standard polynomial for MMC/SD is x^7 + x^3 + 1 (0x09). """ crc = 0 for byte in data: crc ^= byte << 8 for _ in range(8): if crc & 0x8000: crc ^= (0x12 << 8) # Poly 0x12 (inverted logic for calculation) crc <<= 1 # Shift down and add the ending pattern return (crc >> 8) & 0xFE # Take bits 15-8 and clear LSB (standard format)