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put previously global error handling and key hashes into ptx (pcp context) to make libpcp threadsafe.

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TLINDEN
2014-05-04 17:11:03 +02:00
parent d1c87d1001
commit da9891ff81
58 changed files with 1330 additions and 958 deletions
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23
include/pcp/crypto.h
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@@ -35,6 +35,7 @@
#include "keyhash.h"
#include "ed.h"
#include "pcpstream.h"
#include "context.h"
/**
\defgroup CRYPTO CRYPTO
@@ -146,7 +147,7 @@ int pcp_sodium_verify_box(byte **cleartext, byte* message,
\return Returns an allocated byte array of the size csize which contains the encrypted result.
In case of an error, it returns NULL sets csize to 0. Use fatals_ifany() to check for errors.
*/
byte *pcp_box_encrypt(pcp_key_t *secret, pcp_pubkey_t *pub,
byte *pcp_box_encrypt(PCPCTX *ptx, pcp_key_t *secret, pcp_pubkey_t *pub,
byte *message, size_t messagesize,
size_t *csize);
@@ -157,6 +158,8 @@ byte *pcp_box_encrypt(pcp_key_t *secret, pcp_pubkey_t *pub,
requirement to work with raw NaCL crypto_box() output. This
function adds the neccessary padding and it uses PCP key structures.
\param[in] pcp context.
\param[in] secret The secret key structure from the sender.
\param[in] pub The public key structure from the recipient.
@@ -170,7 +173,7 @@ byte *pcp_box_encrypt(pcp_key_t *secret, pcp_pubkey_t *pub,
\return Returns an allocated byte array of the size csize which contains the encrypted result.
In case of an error, it returns NULL sets csize to 0. Use fatals_ifany() to check for errors.
*/
byte *pcp_box_decrypt(pcp_key_t *secret, pcp_pubkey_t *pub,
byte *pcp_box_decrypt(PCPCTX *ptx, pcp_key_t *secret, pcp_pubkey_t *pub,
byte *cipher, size_t ciphersize,
size_t *dsize);
@@ -182,6 +185,8 @@ byte *pcp_box_decrypt(pcp_key_t *secret, pcp_pubkey_t *pub,
Calls pcp_encrypt_stream_sym() after assembling the encrypted recipient list.
\param[in] pcp context.
\param[in] in Stream to read the data to encrypt from.
\param[out] out Stream to write encrypted result to.
@@ -194,7 +199,7 @@ byte *pcp_box_decrypt(pcp_key_t *secret, pcp_pubkey_t *pub,
\return Returns the size of the output written to the output stream or 0 in case of errors.
*/
size_t pcp_encrypt_stream(Pcpstream *in, Pcpstream* out, pcp_key_t *s, pcp_pubkey_t *p, int signcrypt);
size_t pcp_encrypt_stream(PCPCTX *ptx, Pcpstream *in, Pcpstream* out, pcp_key_t *s, pcp_pubkey_t *p, int signcrypt);
/** Symmetrically encrypt a file or a buffer stream.
@@ -204,6 +209,8 @@ size_t pcp_encrypt_stream(Pcpstream *in, Pcpstream* out, pcp_key_t *s, pcp_pubke
Uses crypto_secret_box() for each 32k-block with a random nonce for each.
\param[in] pcp context.
\param[in] in Stream to read the data to encrypt from.
\param[out] out Stream to write encrypted result to.
@@ -217,7 +224,7 @@ size_t pcp_encrypt_stream(Pcpstream *in, Pcpstream* out, pcp_key_t *s, pcp_pubke
\return Returns the size of the output written to the output stream or 0 in case of errors.
*/
size_t pcp_encrypt_stream_sym(Pcpstream *in, Pcpstream* out, byte *symkey, int havehead, pcp_rec_t *recsign);
size_t pcp_encrypt_stream_sym(PCPCTX *ptx, Pcpstream *in, Pcpstream* out, byte *symkey, int havehead, pcp_rec_t *recsign);
/** Asymmetrically decrypt a file or a buffer stream.
@@ -229,6 +236,8 @@ size_t pcp_encrypt_stream_sym(Pcpstream *in, Pcpstream* out, byte *symkey, int h
FIXME: should return the pcp_rec_t structure upon successfull verification somehow.
\param[in] pcp context.
\param[in] in Stream to read the data to decrypt from.
\param[out] out Stream to write decrypted result to.
@@ -241,7 +250,7 @@ size_t pcp_encrypt_stream_sym(Pcpstream *in, Pcpstream* out, byte *symkey, int h
\return Returns the size of the output written to the output stream or 0 in case of errors.
*/
size_t pcp_decrypt_stream(Pcpstream *in, Pcpstream* out, pcp_key_t *s, byte *symkey, int verify);
size_t pcp_decrypt_stream(PCPCTX *ptx, Pcpstream *in, Pcpstream* out, pcp_key_t *s, byte *symkey, int verify);
/** Symmetrically decrypt a file or a buffer stream.
@@ -253,6 +262,8 @@ size_t pcp_decrypt_stream(Pcpstream *in, Pcpstream* out, pcp_key_t *s, byte *sym
Uses crypto_secret_box_open() for each 32k+16-block with a random nonce for each.
\param[in] pcp context.
\param[in] in Stream to read the data to decrypt from.
\param[out] out Stream to write decrypted result to.
@@ -263,7 +274,7 @@ size_t pcp_decrypt_stream(Pcpstream *in, Pcpstream* out, pcp_key_t *s, byte *sym
\return Returns the size of the output written to the output stream or 0 in case of errors.
*/
size_t pcp_decrypt_stream_sym(Pcpstream *in, Pcpstream* out, byte *symkey, pcp_rec_t *recverify);
size_t pcp_decrypt_stream_sym(PCPCTX *ptx, Pcpstream *in, Pcpstream* out, byte *symkey, pcp_rec_t *recverify);
pcp_rec_t *pcp_rec_new(byte *cipher, size_t clen, pcp_key_t *secret, pcp_pubkey_t *pub);
void pcp_rec_free(pcp_rec_t *r);