diff options
author | Martin Willi <martin@revosec.ch> | 2012-07-06 14:34:11 +0200 |
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committer | Martin Willi <martin@revosec.ch> | 2012-07-16 14:53:37 +0200 |
commit | 27e1eabbb5c4beaedab832d6a7aceb49a86a3061 (patch) | |
tree | 25777ac4cb2ed40d08b71448eee497dec728052d /src/libstrongswan/crypto | |
parent | 76a98ee2a1578a7f1f95b63846cefffad9b1df63 (diff) | |
download | strongswan-27e1eabbb5c4beaedab832d6a7aceb49a86a3061.tar.bz2 strongswan-27e1eabbb5c4beaedab832d6a7aceb49a86a3061.tar.xz |
Add a return value to mac_t.get_bytes()
Diffstat (limited to 'src/libstrongswan/crypto')
-rw-r--r-- | src/libstrongswan/crypto/mac.h | 4 | ||||
-rw-r--r-- | src/libstrongswan/crypto/prfs/mac_prf.c | 13 | ||||
-rw-r--r-- | src/libstrongswan/crypto/signers/mac_signer.c | 33 |
3 files changed, 23 insertions, 27 deletions
diff --git a/src/libstrongswan/crypto/mac.h b/src/libstrongswan/crypto/mac.h index 10f09a831..10e789c22 100644 --- a/src/libstrongswan/crypto/mac.h +++ b/src/libstrongswan/crypto/mac.h @@ -44,8 +44,10 @@ struct mac_t { * * @param data chunk of data to authenticate * @param out pointer where the generated bytes will be written + * @return TRUE if mac generated successfully */ - void (*get_mac)(mac_t *this, chunk_t data, u_int8_t *out); + __attribute__((warn_unused_result)) + bool (*get_mac)(mac_t *this, chunk_t data, u_int8_t *out); /** * Get the size of the resulting MAC. diff --git a/src/libstrongswan/crypto/prfs/mac_prf.c b/src/libstrongswan/crypto/prfs/mac_prf.c index 7d3a97677..600dbd155 100644 --- a/src/libstrongswan/crypto/prfs/mac_prf.c +++ b/src/libstrongswan/crypto/prfs/mac_prf.c @@ -38,23 +38,18 @@ struct private_prf_t { METHOD(prf_t, get_bytes, bool, private_prf_t *this, chunk_t seed, u_int8_t *buffer) { - this->mac->get_mac(this->mac, seed, buffer); - return TRUE; + return this->mac->get_mac(this->mac, seed, buffer); } METHOD(prf_t, allocate_bytes, bool, private_prf_t *this, chunk_t seed, chunk_t *chunk) { - if (!chunk) - { - this->mac->get_mac(this->mac, seed, NULL); - } - else + if (chunk) { *chunk = chunk_alloc(this->mac->get_mac_size(this->mac)); - this->mac->get_mac(this->mac, seed, chunk->ptr); + return this->mac->get_mac(this->mac, seed, chunk->ptr); } - return TRUE; + return this->mac->get_mac(this->mac, seed, NULL); } METHOD(prf_t, get_block_size, size_t, diff --git a/src/libstrongswan/crypto/signers/mac_signer.c b/src/libstrongswan/crypto/signers/mac_signer.c index 36415e9d5..8798bde55 100644 --- a/src/libstrongswan/crypto/signers/mac_signer.c +++ b/src/libstrongswan/crypto/signers/mac_signer.c @@ -43,37 +43,36 @@ struct private_signer_t { METHOD(signer_t, get_signature, bool, private_signer_t *this, chunk_t data, u_int8_t *buffer) { - if (buffer == NULL) - { - this->mac->get_mac(this->mac, data, NULL); - } - else + if (buffer) { u_int8_t mac[this->mac->get_mac_size(this->mac)]; - this->mac->get_mac(this->mac, data, mac); + if (!this->mac->get_mac(this->mac, data, mac)) + { + return FALSE; + } memcpy(buffer, mac, this->truncation); + return TRUE; } - return TRUE; + return this->mac->get_mac(this->mac, data, NULL); } METHOD(signer_t, allocate_signature, bool, private_signer_t *this, chunk_t data, chunk_t *chunk) { - if (chunk == NULL) - { - this->mac->get_mac(this->mac, data, NULL); - } - else + if (chunk) { u_int8_t mac[this->mac->get_mac_size(this->mac)]; - this->mac->get_mac(this->mac, data, mac); - + if (!this->mac->get_mac(this->mac, data, mac)) + { + return FALSE; + } *chunk = chunk_alloc(this->truncation); memcpy(chunk->ptr, mac, this->truncation); + return TRUE; } - return TRUE; + return this->mac->get_mac(this->mac, data, NULL); } METHOD(signer_t, verify_signature, bool, @@ -85,8 +84,8 @@ METHOD(signer_t, verify_signature, bool, { return FALSE; } - this->mac->get_mac(this->mac, data, mac); - return memeq(signature.ptr, mac, this->truncation); + return this->mac->get_mac(this->mac, data, mac) && + memeq(signature.ptr, mac, this->truncation); } METHOD(signer_t, get_key_size, size_t, |