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Stats

Size

non-minified minified
before 1.8M 949K
after 606K 382K

Performance

RSA

Before

Node 6.6.0
generateKeyPair 1024bits x 3.51 ops/sec ±29.45% (22 runs sampled)
generateKeyPair 2048bits x 0.17 ops/sec ±145.40% (5 runs sampled)
generateKeyPair 4096bits x 0.02 ops/sec ±96.53% (5 runs sampled)
sign and verify x 95.98 ops/sec ±1.51% (71 runs sampled)
Browser (Chrome 53.0.2785.116)
generateKeyPair 1024bits x 3.56 ops/sec ±27.16% (23 runs sampled)
generateKeyPair 2048bits x 0.49 ops/sec ±69.32% (8 runs sampled)
generateKeyPair 4096bits x 0.03 ops/sec ±77.11% (5 runs sampled)
sign and verify x 109 ops/sec ±2.00% (53 runs sampled)

After

Node 6.6.0
generateKeyPair 1024bits x 42.45 ops/sec ±9.87% (52 runs sampled)
generateKeyPair 2048bits x 7.46 ops/sec ±23.80% (16 runs sampled)
generateKeyPair 4096bits x 1.50 ops/sec ±58.59% (13 runs sampled)
sign and verify x 1,080 ops/sec ±2.23% (74 runs sampled)
Browser (Chrome 53.0.2785.116)
generateKeyPair 1024bits x 5.89 ops/sec ±18.94% (19 runs sampled)
generateKeyPair 2048bits x 1.32 ops/sec ±36.84% (10 runs sampled)
generateKeyPair 4096bits x 0.20 ops/sec ±62.49% (5 runs sampled)
sign and verify x 608 ops/sec ±6.75% (56 runs sampled)

Key Stretcher

Before

Node 6.6.0
keyStretcher AES-128 SHA1 x 3,863 ops/sec ±3.80% (70 runs sampled)
keyStretcher AES-128 SHA256 x 3,862 ops/sec ±5.33% (64 runs sampled)
keyStretcher AES-128 SHA512 x 3,369 ops/sec ±1.73% (73 runs sampled)
keyStretcher AES-256 SHA1 x 3,008 ops/sec ±4.81% (67 runs sampled)
keyStretcher AES-256 SHA256 x 2,900 ops/sec ±7.01% (64 runs sampled)
keyStretcher AES-256 SHA512 x 2,553 ops/sec ±4.45% (73 runs sampled)
keyStretcher Blowfish SHA1 x 28,045 ops/sec ±7.32% (61 runs sampled)
keyStretcher Blowfish SHA256 x 18,860 ops/sec ±5.36% (67 runs sampled)
keyStretcher Blowfish SHA512 x 12,142 ops/sec ±12.44% (72 runs sampled)
Browser (Chrome 53.0.2785.116)
keyStretcher AES-128 SHA1 x 4,168 ops/sec ±4.08% (49 runs sampled)
keyStretcher AES-128 SHA256 x 4,239 ops/sec ±6.36% (48 runs sampled)
keyStretcher AES-128 SHA512 x 3,600 ops/sec ±5.15% (51 runs sampled)
keyStretcher AES-256 SHA1 x 3,009 ops/sec ±6.82% (48 runs sampled)
keyStretcher AES-256 SHA256 x 3,086 ops/sec ±9.56% (19 runs sampled)
keyStretcher AES-256 SHA512 x 2,470 ops/sec ±2.22% (54 runs sampled)
keyStretcher Blowfish SHA1 x 7,143 ops/sec ±15.17% (9 runs sampled)
keyStretcher Blowfish SHA256 x 17,846 ops/sec ±4.74% (46 runs sampled)
keyStretcher Blowfish SHA512 x 7,726 ops/sec ±1.81% (50 runs sampled)

After

Node 6.6.0
keyStretcher AES-128 SHA1 x 6,680 ops/sec ±3.62% (65 runs sampled)
keyStretcher AES-128 SHA256 x 8,124 ops/sec ±4.37% (66 runs sampled)
keyStretcher AES-128 SHA512 x 11,683 ops/sec ±4.56% (66 runs sampled)
keyStretcher AES-256 SHA1 x 5,531 ops/sec ±4.69% (68 runs sampled)
keyStretcher AES-256 SHA256 x 6,725 ops/sec ±4.87% (66 runs sampled)
keyStretcher AES-256 SHA512 x 9,042 ops/sec ±3.87% (64 runs sampled)
keyStretcher Blowfish SHA1 x 40,757 ops/sec ±5.38% (60 runs sampled)
keyStretcher Blowfish SHA256 x 41,845 ops/sec ±4.89% (64 runs sampled)
keyStretcher Blowfish SHA512 x 42,345 ops/sec ±4.86% (63 runs sampled)
Browser (Chrome 53.0.2785.116)
keyStretcher AES-128 SHA1 x 479 ops/sec ±2.12% (54 runs sampled)
keyStretcher AES-128 SHA256 x 668 ops/sec ±2.02% (53 runs sampled)
keyStretcher AES-128 SHA512 x 1,112 ops/sec ±1.61% (54 runs sampled)
keyStretcher AES-256 SHA1 x 460 ops/sec ±1.37% (54 runs sampled)
keyStretcher AES-256 SHA256 x 596 ops/sec ±1.56% (54 runs sampled)
keyStretcher AES-256 SHA512 x 808 ops/sec ±3.27% (52 runs sampled)
keyStretcher Blowfish SHA1 x 3,015 ops/sec ±3.51% (52 runs sampled)
keyStretcher Blowfish SHA256 x 2,755 ops/sec ±3.82% (53 runs sampled)
keyStretcher Blowfish SHA512 x 2,955 ops/sec ±5.35% (51 runs sampled)

Ephemeral Keys

Before

Node 6.6.0
ephemeral key with secrect P-256 x 89.93 ops/sec ±39.45% (72 runs sampled)
ephemeral key with secrect P-384 x 110 ops/sec ±1.28% (71 runs sampled)
ephemeral key with secrect P-521 x 112 ops/sec ±1.70% (72 runs sampled)
Browser (Chrome 53.0.2785.116)
ephemeral key with secrect P-256 x 6.27 ops/sec ±15.89% (35 runs sampled)
ephemeral key with secrect P-384 x 6.84 ops/sec ±1.21% (35 runs sampled)
ephemeral key with secrect P-521 x 6.60 ops/sec ±1.84% (34 runs sampled)

After

Node 6.6.0
ephemeral key with secrect P-256 x 555 ops/sec ±1.61% (75 runs sampled)
ephemeral key with secrect P-384 x 547 ops/sec ±4.40% (68 runs sampled)
ephemeral key with secrect P-521 x 583 ops/sec ±4.84% (72 runs sampled)
Browser (Chrome 53.0.2785.116)
ephemeral key with secrect P-256 x 796 ops/sec ±2.36% (53 runs sampled)
ephemeral key with secrect P-384 x 788 ops/sec ±2.66% (53 runs sampled)
ephemeral key with secrect P-521 x 808 ops/sec ±1.83% (54 runs sampled)