diff options
| author | John Baldwin <jhb@FreeBSD.org> | 2021-08-17 21:40:16 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2021-08-17 21:41:42 +0000 |
| commit | 6372fd253e3266c6eb271f49159f1632d527c9bd (patch) | |
| tree | 83bbd9f1dfe75ea3192efb9f8f2bb1981b01468e | |
| parent | d6e78ecb0bcd5af750c72745c4c51fe211046bff (diff) | |
| download | src-6372fd253e32.tar.gz src-6372fd253e32.zip | |
OpenSSL: Add support for Chacha20-Poly1305 to kernel TLS on FreeBSD.
FreeBSD's kernel TLS supports Chacha20 for both TLS 1.2 and TLS 1.3.
NB: This commit has not yet been merged upstream as it is deemed a new
feature and did not make the feature freeze cutoff for OpenSSL 3.0.
Reviewed by: jkim
MFC after: 5 days
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D31443
| -rw-r--r-- | crypto/openssl/include/internal/ktls.h | 5 | ||||
| -rw-r--r-- | crypto/openssl/ssl/ktls.c | 10 |
2 files changed, 15 insertions, 0 deletions
diff --git a/crypto/openssl/include/internal/ktls.h b/crypto/openssl/include/internal/ktls.h index e824cf3f3f92..5f9e3f91edb2 100644 --- a/crypto/openssl/include/internal/ktls.h +++ b/crypto/openssl/include/internal/ktls.h @@ -38,6 +38,11 @@ # define OPENSSL_KTLS_AES_GCM_128 # define OPENSSL_KTLS_AES_GCM_256 # define OPENSSL_KTLS_TLS13 +# ifdef TLS_CHACHA20_IV_LEN +# ifndef OPENSSL_NO_CHACHA +# define OPENSSL_KTLS_CHACHA20_POLY1305 +# endif +# endif typedef struct tls_enable ktls_crypto_info_t; diff --git a/crypto/openssl/ssl/ktls.c b/crypto/openssl/ssl/ktls.c index 47328a7c7c73..c7a440b79bd2 100644 --- a/crypto/openssl/ssl/ktls.c +++ b/crypto/openssl/ssl/ktls.c @@ -37,6 +37,10 @@ int ktls_check_supported_cipher(const SSL *s, const EVP_CIPHER *c, case SSL_AES128GCM: case SSL_AES256GCM: return 1; +# ifdef OPENSSL_KTLS_CHACHA20_POLY1305 + case SSL_CHACHA20POLY1305: + return 1; +# endif case SSL_AES128: case SSL_AES256: if (s->ext.use_etm) @@ -71,6 +75,12 @@ int ktls_configure_crypto(const SSL *s, const EVP_CIPHER *c, EVP_CIPHER_CTX *dd, else crypto_info->iv_len = EVP_GCM_TLS_FIXED_IV_LEN; break; +# ifdef OPENSSL_KTLS_CHACHA20_POLY1305 + case SSL_CHACHA20POLY1305: + crypto_info->cipher_algorithm = CRYPTO_CHACHA20_POLY1305; + crypto_info->iv_len = EVP_CIPHER_CTX_iv_length(dd); + break; +# endif case SSL_AES128: case SSL_AES256: switch (s->s3->tmp.new_cipher->algorithm_mac) { |