diff options
Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_secretbox/xsalsa20poly1305/ref/box_xsalsa20poly1305.c')
-rw-r--r-- | external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_secretbox/xsalsa20poly1305/ref/box_xsalsa20poly1305.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_secretbox/xsalsa20poly1305/ref/box_xsalsa20poly1305.c b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_secretbox/xsalsa20poly1305/ref/box_xsalsa20poly1305.c new file mode 100644 index 00000000..f68334ef --- /dev/null +++ b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_secretbox/xsalsa20poly1305/ref/box_xsalsa20poly1305.c @@ -0,0 +1,35 @@ +#include "api.h" +#include "crypto_onetimeauth_poly1305.h" +#include "crypto_stream_xsalsa20.h" + +int crypto_secretbox( + unsigned char *c, + const unsigned char *m,unsigned long long mlen, + const unsigned char *n, + const unsigned char *k +) +{ + int i; + if (mlen < 32) return -1; + crypto_stream_xsalsa20_xor(c,m,mlen,n,k); + crypto_onetimeauth_poly1305(c + 16,c + 32,mlen - 32,c); + for (i = 0;i < 16;++i) c[i] = 0; + return 0; +} + +int crypto_secretbox_open( + unsigned char *m, + const unsigned char *c,unsigned long long clen, + const unsigned char *n, + const unsigned char *k +) +{ + int i; + unsigned char subkey[32]; + if (clen < 32) return -1; + crypto_stream_xsalsa20(subkey,32,n,k); + if (crypto_onetimeauth_poly1305_verify(c + 16,c + 32,clen - 32,subkey) != 0) return -1; + crypto_stream_xsalsa20_xor(m,c,clen,n,k); + for (i = 0;i < 32;++i) m[i] = 0; + return 0; +} |