# Crypto APIs Source: [https://docs.qualcomm.com/doc/80-88500-4/topic/86_Crypto_APIs.html](https://docs.qualcomm.com/doc/80-88500-4/topic/86_Crypto_APIs.html) The Linux kernel crypto APIs headers are at kernel/msm-5.4/include/crypto/ and the source is at kernel/msm-5.4/drivers/crypto/msm/. For more information, see the documentation at kernel/msm-5.4/Documentation/devicetree/bindings/crypto/msm/. For TZ software and hardware crypto APIs, see Qualcomm Trusted Execution Environment (TEE) Version 5.0 Reference Manual (80-NH537-4). **Parent Topic:** [Security](https://docs.qualcomm.com/doc/80-88500-4/topic/76_Security.html) Last Published: Aug 18, 2023 [Previous Topic Secure device debugging](https://docs.qualcomm.com/bundle/publicresource/80-88500-4/topics/85_Secure_device_debugging.md) [Next Topic Secure boot](https://docs.qualcomm.com/bundle/publicresource/80-88500-4/topics/87_Secure_boot.md)