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ChaCha20-Poly1305 PSK cipher suites

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This commit is contained in:
Jacob Barthelmeh
2016-02-04 09:50:29 -07:00
parent 5a9175a758
commit 3ce64da44c
8 changed files with 276 additions and 3 deletions
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src/keys.c
+60
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@@ -172,6 +172,66 @@ int SetCipherSpecs(WOLFSSL* ssl)
break;
#endif
#ifdef BUILD_TLS_PSK_WITH_CHACHA20_POLY1305_SHA256
case TLS_PSK_WITH_CHACHA20_POLY1305_SHA256:
ssl->specs.bulk_cipher_algorithm = wolfssl_chacha;
ssl->specs.cipher_type = aead;
ssl->specs.mac_algorithm = sha256_mac;
ssl->specs.kea = psk_kea;
ssl->specs.sig_algo = anonymous_sa_algo;
ssl->specs.hash_size = SHA256_DIGEST_SIZE;
ssl->specs.pad_size = PAD_SHA;
ssl->specs.static_ecdh = 0;
ssl->specs.key_size = CHACHA20_256_KEY_SIZE;
ssl->specs.block_size = CHACHA20_BLOCK_SIZE;
ssl->specs.iv_size = CHACHA20_IV_SIZE;
ssl->specs.aead_mac_size = POLY1305_AUTH_SZ;
ssl->options.oldPoly = 0; /* use recent padding RFC */
ssl->options.usingPSK_cipher = 1;
break;
#endif
#ifdef BUILD_TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256
case TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256:
ssl->specs.bulk_cipher_algorithm = wolfssl_chacha;
ssl->specs.cipher_type = aead;
ssl->specs.mac_algorithm = sha256_mac;
ssl->specs.kea = ecdhe_psk_kea;
ssl->specs.sig_algo = anonymous_sa_algo;
ssl->specs.hash_size = SHA256_DIGEST_SIZE;
ssl->specs.pad_size = PAD_SHA;
ssl->specs.static_ecdh = 0;
ssl->specs.key_size = CHACHA20_256_KEY_SIZE;
ssl->specs.block_size = CHACHA20_BLOCK_SIZE;
ssl->specs.iv_size = CHACHA20_IV_SIZE;
ssl->specs.aead_mac_size = POLY1305_AUTH_SZ;
ssl->options.oldPoly = 0; /* use recent padding RFC */
ssl->options.usingPSK_cipher = 1;
break;
#endif
#ifdef BUILD_TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256
case TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256:
ssl->specs.bulk_cipher_algorithm = wolfssl_chacha;
ssl->specs.cipher_type = aead;
ssl->specs.mac_algorithm = sha256_mac;
ssl->specs.kea = dhe_psk_kea;
ssl->specs.sig_algo = anonymous_sa_algo;
ssl->specs.hash_size = SHA256_DIGEST_SIZE;
ssl->specs.pad_size = PAD_SHA;
ssl->specs.static_ecdh = 0;
ssl->specs.key_size = CHACHA20_256_KEY_SIZE;
ssl->specs.block_size = CHACHA20_BLOCK_SIZE;
ssl->specs.iv_size = CHACHA20_IV_SIZE;
ssl->specs.aead_mac_size = POLY1305_AUTH_SZ;
ssl->options.oldPoly = 0; /* use recent padding RFC */
ssl->options.usingPSK_cipher = 1;
break;
#endif
default:
WOLFSSL_MSG("Unsupported cipher suite, SetCipherSpecs ChaCha");
return UNSUPPORTED_SUITE;