Module snp 

Support for creating SNP ID blocks

Enums

Error

Constants

SNP_ECC_COMPONENT_SIZE_BYTES 🔒

SNP_ECC_KEY_SIZE_BYTES 🔒

SNP_ECDSA_CURVE_P384 🔒

SNP_ID_KEY_ALGORITHM_ECDSA_P384_SHA384 🔒

Functions

generate_snp_measurement

Iterate through all headers, creating a launch digest which is then signed, returning the launch digest. Also emits a temporarily-signed [IgvmDirectiveHeader::SnpIdBlock] directive (the presence of this directive signals the IGVM loader to set id_block_en = 1 at launch time).

padded_le_component 🔒

Zero-pads and reverses a big-endian ECC component into a 72-byte little-endian array as required by the PSP ID block format.

sign_id_block_with_temp_key 🔒

Generate a temporary ECDSA P-384 key pair using the selected crypto backend, sign the SHA-384 hash of the ID block, and return the signature