AuroraMiddleware/libtomcrypt
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ccm: clarify pt and ct parameters in doc and API description

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this fixes #42
[skip ci]
This commit is contained in:
Steffen Jaeckel 2014-04-30 20:19:11 +02:00
parent 3b7c6512ac
commit aa72cfe1d9
2 changed files with 9 additions and 6 deletions
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8
crypt.tex
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@ -1579,8 +1579,8 @@ int main(void)
NULL, /* not prescheduled */
nonce, 12, /* 96-bit nonce */
NULL, 0, /* no header */
pt, 32, /* 32-byte plaintext */
ct, /* ciphertext */
pt, 32, /* [in] 32-byte plaintext */
ct, /* [out] ciphertext */
tag, &taglen,
CCM_ENCRYPT)) != CRYPT_OK) {
printf("ccm_memory error %s\n", error_to_string(err));
@ -1596,8 +1596,8 @@ int main(void)
NULL, /* not prescheduled */
nonce, 12, /* 96-bit nonce */
NULL, 0, /* no header */
ct, 32, /* 32-byte ciphertext */
pt, /* plaintext */
pt, 32, /* [out] 32-byte plaintext */
ct, /* [in] ciphertext */
tagcp, &taglen,
CCM_DECRYPT)) != CRYPT_OK) {
printf("ccm_memory error %s\n", error_to_string(err));

7
src/encauth/ccm/ccm_memory.c
View File

@ -19,6 +19,9 @@
/**
CCM encrypt/decrypt and produce an authentication tag
*1 'pt' and 'ct' can both be 'in' or 'out', depending on 'direction'
@param cipher The index of the cipher desired
@param key The secret key to use
@param keylen The length of the secret key (octets)
@ -27,9 +30,9 @@
@param noncelen The length of the nonce
@param header The header for the session
@param headerlen The length of the header (octets)
@param pt [out] The plaintext
@param pt [*1] The plaintext
@param ptlen The length of the plaintext (octets)
@param ct [out] The ciphertext
@param ct [*1] The ciphertext
@param tag [out] The destination tag
@param taglen [in/out] The max size and resulting size of the authentication tag
@param direction Encrypt or Decrypt direction (0 or 1)