每当我试图了解有关 SSL 的任何内容时，我总是很难跟踪“密钥”和“证书”所指的内容。我担心很多人会错误地或互换地使用它们。密钥和证书之间有标准区别吗？
我注意到 Android 手机中的 microSD 卡出现问题，当我尝试将其插入 Linux 笔记本电脑时，出现以下错误dmesg：
[ 247.588279] mmc0: error -123 whilst initialising SD card
[ 247.591314] sdhci-pci 0000:0d:00.1: Will use DMA mode even though HW doesn't fully claim to support it.
[ 247.648629] sdhci-pci 0000:0d:00.1: Will use DMA mode even though HW doesn't fully claim to support it.
[ 248.903044] mmc0: card never left busy state
[ 248.903051] mmc0: error -110 whilst initialising SD card
[ 248.907007] sdhci-pci 0000:0d:00.1: Will use DMA mode even though HW …