diff options
| author | Adam Langley <agl@google.com> | 2015-11-04 05:36:10 +0300 |
|---|---|---|
| committer | Adam Langley <agl@google.com> | 2015-11-04 22:45:28 +0300 |
| commit | c2d3280f0f783caf62c2276a354f6c80ff93c5e9 (patch) | |
| tree | 50e4426973515813e534bf9797e8a1a106b86d77 /include/openssl/aead.h | |
| parent | a97b737fb09509dcedf0d15b51b60d2349821605 (diff) | |
Add SSL_get_ivs.
This function allows one to extract the current IVs from an SSL
connection. This is needed for the CBC cipher suites with implicit IVs
because, for those, the IV can't be extracted from the handshake key
material.
Change-Id: I247a1d0813b7a434b3cfc88db86d2fe8754344b6
Reviewed-on: https://boringssl-review.googlesource.com/6433
Reviewed-by: Adam Langley <agl@google.com>
Diffstat (limited to 'include/openssl/aead.h')
| -rw-r--r-- | include/openssl/aead.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/openssl/aead.h b/include/openssl/aead.h index aa2b080d..ba8e2df0 100644 --- a/include/openssl/aead.h +++ b/include/openssl/aead.h @@ -330,6 +330,13 @@ OPENSSL_EXPORT int EVP_AEAD_CTX_open(const EVP_AEAD_CTX *ctx, uint8_t *out, OPENSSL_EXPORT int EVP_AEAD_CTX_get_rc4_state(const EVP_AEAD_CTX *ctx, const RC4_KEY **out_key); +/* EVP_AEAD_CTX_get_iv sets |*out_len| to the length of the IV for |ctx| and + * sets |*out_iv| to point to that many bytes of the current IV. This is only + * meaningful for AEADs with implicit IVs (i.e. CBC mode in SSLv3 and TLS 1.0). + * + * It returns one on success or zero on error. */ +OPENSSL_EXPORT int EVP_AEAD_CTX_get_iv(const EVP_AEAD_CTX *ctx, + const uint8_t **out_iv, size_t *out_len); #if defined(__cplusplus) } /* extern C */ |