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libsrtp2 (Cisco) port for ESP-IDF using mbedtls crypto backend with AES-GCM. Used for SRTP/SRTCP in WebRTC.
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# esp_srtp2 [libsrtp2](https://github.com/cisco/libsrtp) (Cisco) port for ESP-IDF using the mbedtls crypto backend with AES-GCM. Used for SRTP/SRTCP packet protection in WebRTC and other RTP-based protocols on ESP32-series chips. ## Features - libsrtp 2.6.x (pinned at commit `9fd71ba`) - mbedtls crypto backend (AES-CM, AES-GCM, HMAC-SHA1) — leverages on-chip crypto where available - AEAD profiles: `AEAD_AES_128_GCM`, `AEAD_AES_256_GCM` - SRTP profiles: `AES_CM_128_HMAC_SHA1_80`, `AES_CM_128_HMAC_SHA1_32` ## Add to a project ```bash idf.py add-dependency "vikramdattu/esp_srtp2^1.0.0" ``` Or in your project's `main/idf_component.yml`: ```yaml dependencies: vikramdattu/esp_srtp2: "^1.0.0" ``` ## Supported targets esp32, esp32s2, esp32s3, esp32c3, esp32c5, esp32c6, esp32p4. Requires ESP-IDF >= 5.4. ## Source This wrapper bundles [cisco/libsrtp](https://github.com/cisco/libsrtp) as a submodule. All SRTP cryptographic implementation is upstream; this repo adds only the ESP-IDF build glue (`CMakeLists.txt`, `port/config.h`) and a small build-time patch (`patches/srtp.patch`). ## License BSD-3-Clause (see `LICENSE`), matching upstream libsrtp.
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License: Apache-2.0 AND BSD-3-Clause
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To add this component to your project, run:
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idf.py add-dependency "vikramdattu/esp_srtp2^1.0.0"
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