| CPC G06F 21/64 (2013.01) [G06F 9/5072 (2013.01); G06F 21/121 (2013.01); G06F 21/71 (2013.01); H04L 9/0825 (2013.01); H04L 9/3236 (2013.01); H04L 9/3247 (2013.01)] | 20 Claims |

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1. A method comprising:
obtaining a container image comprising a plurality of instruction layers, wherein each of the plurality of instruction layers comprises a set of objects;
generating instruction layer digital signatures corresponding to the plurality of instruction layers based on first-level cryptographic hash values corresponding to objects in the respective sets of objects; and
transmitting the instruction layer digital signatures to a runtime host system to verify an authenticity of the container image during a life-cycle action of one or both of the container image or a container created using the container image.
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