
Pratham contributed to the linux-riscv/linux repository by enhancing the TI Crypto Driver with asynchronous signaling support, enabling the kernel crypto subsystem to handle AES-ECB and AES-CBC operations more efficiently. Using C and leveraging expertise in cryptography, embedded systems, and kernel development, Pratham implemented the CRYPTO_ALG_ASYNC flag to expose async capabilities, improving throughput for crypto-heavy workloads. In a subsequent update, Pratham addressed a critical bug in the skcipher API by correctly initializing the reqsize field, preventing memory corruption and crashes. The work demonstrated careful attention to kernel API changes and delivered targeted improvements to cryptographic subsystem stability and performance.

October 2025 monthly summary for linux-riscv/linux: Delivered a critical safety improvement in the kernel crypto subsystem by fixing the Skcipher reqsize initialization bug. Root cause was incorrect handling of the reqsize field, which could cause memory corruption and crashes. Implemented initialization of reqsize using crypto_skcipher_set_reqsize to address issues introduced by cra_reqsize in the crypto API. Change committed in linux-riscv/linux with hash 229c586b5e86979badb7cb0d38717b88a9e95ddd.
October 2025 monthly summary for linux-riscv/linux: Delivered a critical safety improvement in the kernel crypto subsystem by fixing the Skcipher reqsize initialization bug. Root cause was incorrect handling of the reqsize field, which could cause memory corruption and crashes. Implemented initialization of reqsize using crypto_skcipher_set_reqsize to address issues introduced by cra_reqsize in the crypto API. Change committed in linux-riscv/linux with hash 229c586b5e86979badb7cb0d38717b88a9e95ddd.
Month: 2025-09. Delivered a key capability enhancement in linux-riscv/linux by adding asynchronous signaling support to the TI Crypto Driver (DTHEv2 AES-ECB and AES-CBC) via the CRYPTO_ALG_ASYNC flag. This allows the kernel crypto subsystem to dispatch async crypto operations more efficiently, improving throughput and CPU utilization for cryptographic workloads. Implemented through a focused change set that exposes async capability to TI’s crypto driver, enabling better scalability for modern workloads.
Month: 2025-09. Delivered a key capability enhancement in linux-riscv/linux by adding asynchronous signaling support to the TI Crypto Driver (DTHEv2 AES-ECB and AES-CBC) via the CRYPTO_ALG_ASYNC flag. This allows the kernel crypto subsystem to dispatch async crypto operations more efficiently, improving throughput and CPU utilization for cryptographic workloads. Implemented through a focused change set that exposes async capability to TI’s crypto driver, enabling better scalability for modern workloads.
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